ŠĻą”±į>ž’ ŁŪž’’’ŃŅÓŌÕÖ×Ų’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’’ģ„Į7 ųæŅbjbjUU .47|7|Ņ‰’’’’’’lTTTTTTThłłłł\^ś<hėz¶¦’HīīīīīZHdjzlzlzlzlzlzlz$”{ Į}\zTtīīttz¼fTTīī„z¼f¼f¼ftöTīTījz¼ftjz¼fz¼f6jTT6jīš’ @HŹyĆüĘhš÷łj'R?6j6j4»z0ėz6j~¼f~6j¼fhhTTTTŁ  STATUTORY INSTRUMENTS  1995 No. 418 TOWN AND COUNTRY PLANNING, ENGLAND AND WALES The Town and Country Planning (General Permitted Development) Order 1995 Made 22nd February 1995 Laid before Parliament 6th March 1995 Coming into force 3rd June 1995 ARTICLE  HYPERLINK "http://www.opsi.gov.uk/si/si1995/Uksi_19950418_en_2.htm" \l "IDAB5J3B" 1.   HYPERLINK "http://www.opsi.gov.uk/si/si1995/Uksi_19950418_en_2.htm" \l "IDAB5J3B" Citation, commencement and interpretation.  HYPERLINK "http://www.opsi.gov.uk/si/si1995/Uksi_19950418_en_2.htm" \l "IDA1TC3D" 2.   HYPERLINK "http://www.opsi.gov.uk/si/si1995/Uksi_19950418_en_2.htm" \l "IDA1TC3D" Application.  HYPERLINK "http://www.opsi.gov.uk/si/si1995/Uksi_19950418_en_2.htm" \l "IDALUC3D" 3.   HYPERLINK "http://www.opsi.gov.uk/si/si1995/Uksi_19950418_en_2.htm" \l "IDALUC3D" Permitted development.  HYPERLINK "http://www.opsi.gov.uk/si/si1995/Uksi_19950418_en_2.htm" \l "IDABZC3D" 4.   HYPERLINK "http://www.opsi.gov.uk/si/si1995/Uksi_19950418_en_2.htm" \l "IDABZC3D" Directions restricting permitted development.  HYPERLINK "http://www.opsi.gov.uk/si/si1995/Uksi_19950418_en_2.htm" \l "IDA33C3D" 5.   HYPERLINK "http://www.opsi.gov.uk/si/si1995/Uksi_19950418_en_2.htm" \l "IDA33C3D" Approval of Secretary of State for article 4(1) directions.  HYPERLINK "http://www.opsi.gov.uk/si/si1995/Uksi_19950418_en_2.htm" \l "IDADBD3D" 6.   HYPERLINK "http://www.opsi.gov.uk/si/si1995/Uksi_19950418_en_2.htm" \l "IDADBD3D" Notice and confirmation of article 4(2) directions.  HYPERLINK "http://www.opsi.gov.uk/si/si1995/Uksi_19950418_en_2.htm" \l "IDA5DD3D" 7.   HYPERLINK "http://www.opsi.gov.uk/si/si1995/Uksi_19950418_en_2.htm" \l "IDA5DD3D" Directions restricting permitted development under Class B ofPart 22 or Class B of Part 23.  HYPERLINK "http://www.opsi.gov.uk/si/si1995/Uksi_19950418_en_2.htm" \l "IDAHGD3D" 8.   HYPERLINK "http://www.opsi.gov.uk/si/si1995/Uksi_19950418_en_2.htm" \l "IDAHGD3D" Directions.  HYPERLINK "http://www.opsi.gov.uk/si/si1995/Uksi_19950418_en_2.htm" \l "IDAOGD3D" 9.   HYPERLINK "http://www.opsi.gov.uk/si/si1995/Uksi_19950418_en_2.htm" \l "IDAOGD3D" Revocations.    HYPERLINK "http://www.opsi.gov.uk/si/si1995/Uksi_19950418_en_3.htm" \l "IDALHD3D" SCHEDULE 1     HYPERLINK "http://www.opsi.gov.uk/si/si1995/Uksi_19950418_en_3.htm" \l "IDAPHD3D" PART 1.  HYPERLINK "http://www.opsi.gov.uk/si/si1995/Uksi_19950418_en_3.htm" \l "IDAPHD3D" Article 1(4) land.    HYPERLINK "http://www.opsi.gov.uk/si/si1995/Uksi_19950418_en_3.htm" \l "IDA2HD3D" 2.  HYPERLINK "http://www.opsi.gov.uk/si/si1995/Uksi_19950418_en_3.htm" \l "IDA2HD3D" Article 1(5) land.    HYPERLINK "http://www.opsi.gov.uk/si/si1995/Uksi_19950418_en_3.htm" \l "IDADJD3D" 3.  HYPERLINK "http://www.opsi.gov.uk/si/si1995/Uksi_19950418_en_3.htm" \l "IDADJD3D" Article 1(6) land.    HYPERLINK "http://www.opsi.gov.uk/si/si1995/Uksi_19950418_en_4.htm" \l "IDANND3D" SCHEDULE 2   HYPERLINK "http://www.opsi.gov.uk/si/si1995/Uksi_19950418_en_4.htm" \l "IDANND3D" PERMITTED DEVELOPMENT    HYPERLINK "http://www.opsi.gov.uk/si/si1995/Uksi_19950418_en_4.htm" \l "IDARND3D" PART 1.  HYPERLINK "http://www.opsi.gov.uk/si/si1995/Uksi_19950418_en_4.htm" \l "IDARND3D" Development within the curtilage of a dwellinghouse.    HYPERLINK "http://www.opsi.gov.uk/si/si1995/Uksi_19950418_en_4.htm" \l "IDAZ2D3D" 2.  HYPERLINK "http://www.opsi.gov.uk/si/si1995/Uksi_19950418_en_4.htm" \l "IDAZ2D3D" Minor operations.    HYPERLINK "http://www.opsi.gov.uk/si/si1995/Uksi_19950418_en_4.htm" \l "IDAQ5D3D" 3.  HYPERLINK "http://www.opsi.gov.uk/si/si1995/Uksi_19950418_en_4.htm" \l "IDAQ5D3D" Changes of use.    HYPERLINK "http://www.opsi.gov.uk/si/si1995/Uksi_19950418_en_4.htm" \l "IDATGE3D" 4.  HYPERLINK "http://www.opsi.gov.uk/si/si1995/Uksi_19950418_en_4.htm" \l "IDATGE3D" Temporary buildings and uses.    HYPERLINK "http://www.opsi.gov.uk/si/si1995/Uksi_19950418_en_4.htm" \l "IDAWKE3D" 5.  HYPERLINK "http://www.opsi.gov.uk/si/si1995/Uksi_19950418_en_4.htm" \l "IDAWKE3D" Caravan sites.    HYPERLINK "http://www.opsi.gov.uk/si/si1995/Uksi_19950418_en_4.htm" \l "IDAEME3D" 6.  HYPERLINK "http://www.opsi.gov.uk/si/si1995/Uksi_19950418_en_4.htm" \l "IDAEME3D" Agricultural buildings and operations.    HYPERLINK "http://www.opsi.gov.uk/si/si1995/Uksi_19950418_en_4.htm" \l "IDAO5E3D" 7.  HYPERLINK "http://www.opsi.gov.uk/si/si1995/Uksi_19950418_en_4.htm" \l "IDAO5E3D" Forestry buildings and operations.    HYPERLINK "http://www.opsi.gov.uk/si/si1995/Uksi_19950418_en_4.htm" \l "IDAQFF3D" 8.  HYPERLINK "http://www.opsi.gov.uk/si/si1995/Uksi_19950418_en_4.htm" \l "IDAQFF3D" Industrial and warehouse development.    HYPERLINK "http://www.opsi.gov.uk/si/si1995/Uksi_19950418_en_4.htm" \l "IDAXNF3D" 9.  HYPERLINK "http://www.opsi.gov.uk/si/si1995/Uksi_19950418_en_4.htm" \l "IDAXNF3D" Repairs to unadopted streets and private ways.    HYPERLINK "http://www.opsi.gov.uk/si/si1995/Uksi_19950418_en_4.htm" \l "IDA0OF3D" 10.  HYPERLINK "http://www.opsi.gov.uk/si/si1995/Uksi_19950418_en_4.htm" \l "IDA0OF3D" Repairs to services.    HYPERLINK "http://www.opsi.gov.uk/si/si1995/Uksi_19950418_en_4.htm" \l "IDALPF3D" 11.  HYPERLINK "http://www.opsi.gov.uk/si/si1995/Uksi_19950418_en_4.htm" \l "IDALPF3D" Development under local or private Acts or orders.    HYPERLINK "http://www.opsi.gov.uk/si/si1995/Uksi_19950418_en_4.htm" \l "IDAVSF3D" 12.  HYPERLINK "http://www.opsi.gov.uk/si/si1995/Uksi_19950418_en_4.htm" \l "IDAVSF3D" Development by local authorities.    HYPERLINK "http://www.opsi.gov.uk/si/si1995/Uksi_19950418_en_4.htm" \l "IDAOVF3D" 13.  HYPERLINK "http://www.opsi.gov.uk/si/si1995/Uksi_19950418_en_4.htm" \l "IDAOVF3D" Development by local highway authorities.    HYPERLINK "http://www.opsi.gov.uk/si/si1995/Uksi_19950418_en_4.htm" \l "IDABWF3D" 14.  HYPERLINK "http://www.opsi.gov.uk/si/si1995/Uksi_19950418_en_4.htm" \l "IDABWF3D" Development by drainage bodies.    HYPERLINK "http://www.opsi.gov.uk/si/si1995/Uksi_19950418_en_4.htm" \l "IDAGXF3D" 15.  HYPERLINK "http://www.opsi.gov.uk/si/si1995/Uksi_19950418_en_4.htm" \l "IDAGXF3D" Development by the National Rivers Authority.    HYPERLINK "http://www.opsi.gov.uk/si/si1995/Uksi_19950418_en_4.htm" \l "IDAR0F3D" 16.  HYPERLINK "http://www.opsi.gov.uk/si/si1995/Uksi_19950418_en_4.htm" \l "IDAR0F3D" Development by or on behalf of sewerage undertakers.    HYPERLINK "http://www.opsi.gov.uk/si/si1995/Uksi_19950418_en_4.htm" \l "IDAA4F3D" 17.  HYPERLINK "http://www.opsi.gov.uk/si/si1995/Uksi_19950418_en_4.htm" \l "IDAA4F3D" Development by statutory undertakers.    HYPERLINK "http://www.opsi.gov.uk/si/si1995/Uksi_19950418_en_4.htm" \l "IDAYVG3D" 18.  HYPERLINK "http://www.opsi.gov.uk/si/si1995/Uksi_19950418_en_4.htm" \l "IDAYVG3D" Aviation development.    HYPERLINK "http://www.opsi.gov.uk/si/si1995/Uksi_19950418_en_4.htm" \l "IDAKBH3D" 19.  HYPERLINK "http://www.opsi.gov.uk/si/si1995/Uksi_19950418_en_4.htm" \l "IDAKBH3D" Development ancillary to mining operations.    HYPERLINK "http://www.opsi.gov.uk/si/si1995/Uksi_19950418_en_4.htm" \l "IDAENH3D" 20.  HYPERLINK "http://www.opsi.gov.uk/si/si1995/Uksi_19950418_en_4.htm" \l "IDAENH3D" Coal mining development by the Coal Authority and licensed operators.    HYPERLINK "http://www.opsi.gov.uk/si/si1995/Uksi_19950418_en_4.htm" \l "IDAGFI3D" 21.  HYPERLINK "http://www.opsi.gov.uk/si/si1995/Uksi_19950418_en_4.htm" \l "IDAGFI3D" Waste tipping at a mine.    HYPERLINK "http://www.opsi.gov.uk/si/si1995/Uksi_19950418_en_4.htm" \l "IDASJI3D" 22.  HYPERLINK "http://www.opsi.gov.uk/si/si1995/Uksi_19950418_en_4.htm" \l "IDASJI3D" Mineral exploration.    HYPERLINK "http://www.opsi.gov.uk/si/si1995/Uksi_19950418_en_4.htm" \l "IDAOSI3D" 23.  HYPERLINK "http://www.opsi.gov.uk/si/si1995/Uksi_19950418_en_4.htm" \l "IDAOSI3D" Removal of material from mineral-working deposits.    HYPERLINK "http://www.opsi.gov.uk/si/si1995/Uksi_19950418_en_4.htm" \l "IDAEWI3D" 24.  HYPERLINK "http://www.opsi.gov.uk/si/si1995/Uksi_19950418_en_4.htm" \l "IDAEWI3D" Development by telecommunications code system operators.    HYPERLINK "http://www.opsi.gov.uk/si/si1995/Uksi_19950418_en_4.htm" \l "IDAQCJ3D" 25.  HYPERLINK "http://www.opsi.gov.uk/si/si1995/Uksi_19950418_en_4.htm" \l "IDAQCJ3D" Other telecommunications development.    HYPERLINK "http://www.opsi.gov.uk/si/si1995/Uksi_19950418_en_4.htm" \l "IDARHJ3D" 26.  HYPERLINK "http://www.opsi.gov.uk/si/si1995/Uksi_19950418_en_4.htm" \l "IDARHJ3D" Development by the Historic Buildings and MonumentsCommission for England.    HYPERLINK "http://www.opsi.gov.uk/si/si1995/Uksi_19950418_en_4.htm" \l "IDAXJJ3D" 27.  HYPERLINK "http://www.opsi.gov.uk/si/si1995/Uksi_19950418_en_4.htm" \l "IDAXJJ3D" Use by members of certain recreational organisations.    HYPERLINK "http://www.opsi.gov.uk/si/si1995/Uksi_19950418_en_4.htm" \l "IDABLJ3D" 28.  HYPERLINK "http://www.opsi.gov.uk/si/si1995/Uksi_19950418_en_4.htm" \l "IDABLJ3D" Development at amusement parks.    HYPERLINK "http://www.opsi.gov.uk/si/si1995/Uksi_19950418_en_4.htm" \l "IDASNJ3D" 29.  HYPERLINK "http://www.opsi.gov.uk/si/si1995/Uksi_19950418_en_4.htm" \l "IDASNJ3D" Driver information systems.    HYPERLINK "http://www.opsi.gov.uk/si/si1995/Uksi_19950418_en_4.htm" \l "IDARQJ3D" 30.  HYPERLINK "http://www.opsi.gov.uk/si/si1995/Uksi_19950418_en_4.htm" \l "IDARQJ3D" Toll road facilities.    HYPERLINK "http://www.opsi.gov.uk/si/si1995/Uksi_19950418_en_4.htm" \l "IDAOWJ3D" 31.  HYPERLINK "http://www.opsi.gov.uk/si/si1995/Uksi_19950418_en_4.htm" \l "IDAOWJ3D" Demolition of buildings.    HYPERLINK "http://www.opsi.gov.uk/si/si1995/Uksi_19950418_en_4.htm" \l "IDAB3J3D" 32.  HYPERLINK "http://www.opsi.gov.uk/si/si1995/Uksi_19950418_en_4.htm" \l "IDAB3J3D" Schools, colleges, universities and hospitals.    HYPERLINK "http://www.opsi.gov.uk/si/si1995/Uksi_19950418_en_4.htm" \l "IDA05J3D" 33.  HYPERLINK "http://www.opsi.gov.uk/si/si1995/Uksi_19950418_en_4.htm" \l "IDA05J3D" Closed circuit television cameras.    HYPERLINK "http://www.opsi.gov.uk/si/si1995/Uksi_19950418_en_5.htm" \l "IDA2CK3D" SCHEDULE 3   HYPERLINK "http://www.opsi.gov.uk/si/si1995/Uksi_19950418_en_5.htm" \l "IDA2CK3D" STATUTORY INSTRUMENTS REVOKED    HYPERLINK "http://www.opsi.gov.uk/si/si1995/Uksi_19950418_en_6.htm" \l "exnote" Explanatory Note  HYPERLINK "http://www.opsi.gov.uk/si/si1995/Uksi_19950418_en_2.htm"  INCLUDEPICTURE "http://www.opsi.gov.uk/img/nav-conu.gif" \* MERGEFORMATINET   HYPERLINK "http://www.opsi.gov.uk/stat.htm" Other UK SIs |  HYPERLINK "/" Home |  HYPERLINK "http://www.wales-legislation.hmso.gov.uk/legislation/wales/w-stat.htm" National Assembly for Wales Statutory Instruments |  HYPERLINK "http://www.scotland-legislation.hmso.gov.uk/legislation/scotland/s-stat.htm" Scottish Statutory Instruments |  HYPERLINK "http://www.northernireland-legislation.hmso.gov.uk/legislation/northernireland/ni-srni.htm" Statutory Rules of Northern Ireland |  HYPERLINK "http://www.hmso.gov.uk/" Her Majesty's Stationery Office   Statutory Instrument 1995 No. 418 The Town and Country Planning (General Permitted Development) Order 1995 - continued   HYPERLINK "http://www.opsi.gov.uk/si/si1995/Uksi_19950418_en_1.htm" \l "end" back to previous page   The Secretary of State for the Environment, as respects England, and the Secretary of State for Wales, as respects Wales, in exercise of the powers conferred on them by sections 59, 60, 61, 74 and 333(7) of the Town and Country Planning Act 1990 HYPERLINK "http://www.opsi.gov.uk/si/si1995/" \l "tfnf001" [1], section 54 of the Coal Industry Act 1994 HYPERLINK "http://www.opsi.gov.uk/si/si1995/" \l "tfnf002" [2] and of all other powers enabling them in that behalf, hereby make the following Order— Citation, commencement and interpretation     1.—(1)  This Order may be cited as the Town and Country Planning (General Permitted Development) Order 1995 and shall come into force on 3rd June 1995.     (2)  In this Order, unless the context otherwise requires— "the Act" means the Town and Country Planning Act 1990; "the 1960 Act" means the Caravan Sites and Control of Development Act 1960 HYPERLINK "http://www.opsi.gov.uk/si/si1995/" \l "tfnf003" [3]; "aerodrome" means an aerodrome as defined in article 106 of the Air Navigation Order 1989 HYPERLINK "http://www.opsi.gov.uk/si/si1995/" \l "tfnf004" [4] (interpretation) which is— (a)  licensed under that Order, (b)  a Government aerodrome, (c)  one at which the manufacture, repair or maintenance of aircraft is carried out by a person carrying on business as a manufacturer or repairer of aircraft, (d)  one used by aircraft engaged in the public transport of passengers or cargo or in aerial work, or (e)  one identified to the Civil Aviation Authority before 1st March 1986 for inclusion in the UK Aerodrome Index, and, for the purposes of this definition, the terms "aerial work", "Government aerodrome" and "public transport" have the meanings given in article 106; "aqueduct" does not include an underground conduit; "area of outstanding natural beauty" means an area designated as such by an order made by the Countryside Commission, as respects England, or the Countryside Council for Wales, as respects Wales, under section 87 of the National Parks and Access to the Countryside Act 1949 HYPERLINK "http://www.opsi.gov.uk/si/si1995/" \l "tfnf005" [5] (designation of areas of outstanding natural beauty) as confirmed by the Secretary of State; "building"— (a)  includes any structure or erection and, except in Parts 24, 25 and 33, and Class A of Part 31, of Schedule 2, includes any part of a building, as defined in this article; and (b)  does not include plant or machinery and, in Schedule 2, except in Class B of Part 31 and Part 33, does not include any gate, fence, wall or other means of enclosure; "caravan" has the same meaning as for the purposes of Part I of the 1960 Act (caravan sites); "caravan site" means land on which a caravan is stationed for the purpose of human habitation and land which is used in conjunction with land on which a caravan is so stationed; "classified road" means a highway or proposed highway which— (a)  is a classified road or a principal road by virtue of section 12(1) of the Highways Act 1980 HYPERLINK "http://www.opsi.gov.uk/si/si1995/" \l "tfnf006" [6] (general provision as to principal and classified roads); or (b)  is classified by the Secretary of State for the purposes of any enactment by virtue of section 12(3) of that Act; "cubic content" means the cubic content of a structure or building measured externally; "dwellinghouse" does not include a building containing one or more flats, or a flat contained within such a building; "erection", in relation to buildings as defined in this article, includes extension, alteration, or re-erection; "existing", in relation to any building or any plant or machinery or any use, means (except in the definition of "original") existing immediately before the carrying out, in relation to that building, plant, machinery or use, of development described in this Order; "flat" means a separate and self-contained set of premises constructed or adapted for use for the purpose of a dwelling and forming part of a building from some other part of which it is divided horizontally; "floor space" means the total floor space in a building or buildings; "industrial process" means a process for or incidental to any of the following purposes— (a)  the making of any article or part of any article (including a ship or vessel, or a film, video or sound recording); (b)  the altering, repairing, maintaining, ornamenting, finishing, cleaning, washing, packing, canning, adapting for sale, breaking up or demolition of any article; or (c)  the getting, dressing or treatment of minerals in the course of any trade or business other than agriculture, and other than a process carried out on land used as a mine or adjacent to and occupied together with a mine; "land drainage" has the same meaning as in section 116 of the Land Drainage Act 1976 HYPERLINK "http://www.opsi.gov.uk/si/si1995/" \l "tfnf007" [7] (interpretation); "listed building" has the same meaning as in section 1 of the Planning (Listed Buildings and Conservation Areas) Act 1990 HYPERLINK "http://www.opsi.gov.uk/si/si1995/" \l "tfnf008" [8] (listing of buildings of special architectural or historic interest); "by local advertisement" means by publication of the notice in at least one newspaper circulating in the locality in which the area or, as the case may be, the whole or relevant part of the conservation area to which the direction relates is situated; "machinery" includes any structure or erection in the nature of machinery; "microwave" means that part of the radio spectrum above 1,000 MHz; "microwave antenna" means a satellite antenna or a terrestrial microwave antenna; "mine" means any site on which mining operations are carried out; "mining operations" means the winning and working of minerals in, on or under land, whether by surface or underground working; "notifiable pipe-line" means a pipe-line, as defined in section 65 of the Pipe-lines Act 1962 HYPERLINK "http://www.opsi.gov.uk/si/si1995/" \l "tfnf009" [9] (meaning of pipe-line), which contains or is intended to contain a hazardous substance, as defined in regulation 2(1) of the Notification Regulations (interpretation), except— (a)  a pipe-line the construction of which has been authorised under section 1 of the Pipe-lines Act 1962 (cross-country pipe-lines not to be constructed without the Minister's authority); or (b)  a pipe-line which contains or is intended to contain no hazardous substance other than— (i)  a flammable gas (as specified in item 1 of Part II of Schedule 1 to the Notification Regulations (classes of hazardous substances not specifically named in Part I)) at a pressure of less than 8 bars absolute; or (ii)  a liquid or mixture of liquids, as specified in item 4 of Part II of that Schedule; "Notification Regulations" means the Notification of Installations Handling Hazardous Substances Regulations 1982 HYPERLINK "http://www.opsi.gov.uk/si/si1995/" \l "tfnf010" [10]; "original" means, in relation to a building existing on 1st July 1948, as existing on that date and, in relation to a building built on or after 1st July 1948, as so built; "plant" includes any structure or erection in the nature of plant; "private way" means a highway not maintainable at the public expense and any other way other than a highway; "proposed highway" has the same meaning as in section 329 of the Highways Act 1980 (further provision as to interpretation); "public service vehicle" means a public service vehicle within the meaning of section 1 of the Public Passenger Vehicles Act 1981 HYPERLINK "http://www.opsi.gov.uk/si/si1995/" \l "tfnf011" [11] (definition of public service vehicles) or a tramcar or trolley vehicle within the meaning of section 192(1) of the Road Traffic Act 1988 HYPERLINK "http://www.opsi.gov.uk/si/si1995/" \l "tfnf012" [12] (general interpretation); "satellite antenna" means apparatus designed for transmitting microwave radio energy to satellites or receiving it from them, and includes any mountings or brackets attached to such apparatus; "scheduled monument" has the same meaning as in section 1(11) of the Ancient Monuments and Archaeological Areas Act 1979 HYPERLINK "http://www.opsi.gov.uk/si/si1995/" \l "tfnf013" [13] (schedule of monuments); "by site display" means by the posting of the notice by firm affixture to some object, sited and displayed in such a way as to be easily visible and legible by members of the public; "site of archaeological interest" means land which is included in the schedule of monuments compiled by the Secretary of State under section 1 of the Ancient Monuments and Archaeological Areas Act 1979 (schedule of monuments), or is within an area of land which is designated as an area of archaeological importance under section 33 of that Act (designation of areas of archaeological importance), or which is within a site registered in any record adopted by resolution by a county council and known as the County Sites and Monuments Record; "site of special scientific interest" means land to which section 28(1) of the Wildlife and Countryside Act 1981 HYPERLINK "http://www.opsi.gov.uk/si/si1995/" \l "tfnf014" [14] (areas of special scientific interest) applies; "statutory undertaker" includes, in addition to any person mentioned in section 262(1) of the Act (meaning of statutory undertakers), the Post Office, the Civil Aviation Authority, the National Rivers Authority, any water undertaker, any public gas supplier, and any licence holder within the meaning of section 64(1) of the Electricity Act 1989 HYPERLINK "http://www.opsi.gov.uk/si/si1995/" \l "tfnf015" [15] (interpretation etc. of Part 1); "terrestrial microwave antenna" means apparatus designed for transmitting or receiving terrestrial microwave radio energy between two fixed points; "trunk road" means a highway or proposed highway which is a trunk road by virtue of section 10(1) or 19 of the Highways Act 1980 HYPERLINK "http://www.opsi.gov.uk/si/si1995/" \l "tfnf016" [16] (general provisions as to trunk roads, and certain special roads and other highways to become trunk roads) or any other enactment or any instrument made under any enactment; "the Use Classes Order" means the Town and Country Planning (Use Classes) Order 1987 HYPERLINK "http://www.opsi.gov.uk/si/si1995/" \l "tfnf017" [17].     (3)  Unless the context otherwise requires, any reference in this Order to the height of a building or of plant or machinery shall be construed as a reference to its height when measured from ground level; and for the purposes of this paragraph "ground level" means the level of the surface of the ground immediately adjacent to the building or plant or machinery in question or, where the level of the surface of the ground on which it is situated or is to be situated is not uniform, the level of the highest part of the surface of the ground adjacent to it.     (4)  The land referred to elsewhere in this Order as article 1(4) land is the land described in Part 1 of Schedule 1 to this Order (land in listed counties).     (5)  The land referred to elsewhere in this Order as article 1(5) land is the land described in Part 2 of Schedule 1 to this Order (National Parks, areas of outstanding natural beauty and conservation areas etc.).     (6)  The land referred to elsewhere in this Order as article 1(6) land is the land described in Part 3 of Schedule 1 to this Order (National Parks and adjoining land and the Broads). Application     2.—(1)  This Order applies to all land in England and Wales, but where land is the subject of a special development order, whether made before or after the commencement of this Order, this Order shall apply to that land only to such extent and subject to such modifications as may be specified in the special development order.     (2)  Nothing in this Order shall apply to any permission which is deemed to be granted under section 222 of the Act (planning permission not needed for advertisements complying with regulations). Permitted development     3.—(1)  Subject to the provisions of this Order and regulations 60 to 63 of the Conservation (Natural Habitats, & c.) Regulations 1994 HYPERLINK "http://www.opsi.gov.uk/si/si1995/" \l "tfnf018" [18] (general development orders), planning permission is hereby granted for the classes of development described as permitted development in Schedule 2.     (2)  Any permission granted by paragraph (1) is subject to any relevant exception, limitation or condition specified in Schedule 2.     (3)  References in the following provisions of this Order to permission granted by Schedule 2 or by any Part, Class or paragraph of that Schedule are references to the permission granted by this article in relation to development described in that Schedule or that provision of that Schedule.     (4)  Nothing in this Order permits development contrary to any condition imposed by any planning permission granted or deemed to be granted under Part III of the Act otherwise than by this Order.     (5)  The permission granted by Schedule 2 shall not apply if— (a)  in the case of permission granted in connection with an existing building, the building operations involved in the construction of that building are unlawful; (b)  in the case of permission granted in connection with an existing use, that use is unlawful.     (6)  The permission granted by Schedule 2 shall not, except in relation to development permitted by Parts 9, 11, 13 or 30, authorise any development which requires or involves the formation, laying out or material widening of a means of access to an existing highway which is a trunk road or classified road, or creates an obstruction to the view of persons using any highway used by vehicular traffic, so as to be likely to cause danger to such persons.     (7)  Any development falling within Part 11 of Schedule 2 authorised by an Act or order subject to the grant of any consent or approval shall not be treated for the purposes of this Order as authorised unless and until that consent or approval is obtained, except where the Act was passed or the order made after 1st July 1948 and it contains provision to the contrary.     (8)  Schedule 2 does not grant permission for the laying or construction of a notifiable pipe-line, except in the case of the laying or construction of a notifiable pipe-line by a public gas supplier in accordance with Class F of Part 17 of that Schedule.     (9)  Except as provided in Part 31, Schedule 2 does not permit any development which requires or involves the demolition of a building, but in this paragraph "building" does not include part of a building.     (10)  Subject to paragraph (12), development is not permitted by this Order if an application for planning permission for that development would be a Schedule 1 application or a Schedule 2 application within the meaning of the Town and Country Planning (Assessment of Environmental Effects) Regulations 1988 ("the Environmental Assessment Regulations") HYPERLINK "http://www.opsi.gov.uk/si/si1995/" \l "tfnf019" [19] (descriptions of development).     (11)  Where— (a)  the local planning authority have given an opinion under regulation 3 of the Town and Country Planning (Environmental Assessment and Permitted Development) Regulations 1995 ("the Permitted Development Regulations") HYPERLINK "http://www.opsi.gov.uk/si/si1995/" \l "tfnf020" [20] (opinion as to need for environmental statement) that an application for particular development would be a Schedule 1 application or a Schedule 2 application within the meaning of the Environmental Assessment Regulations and the Secretary of State has issued no direction to the contrary under regulation 4 of the Permitted Development Regulations (directions by the Secretary of State); or (b)  the Secretary of State has given an opinion under regulation 5 of the Permitted Development Regulations (proposed development in which a relevant planning authority has an interest) that an application for particular development would be a Schedule 1 application or a Schedule 2 application within the meaning of the Environmental Assessment Regulations, the development to which that opinion relates shall be treated, for the purposes of paragraph (10), as development which is not permitted by this Order.     (12)  Paragraph (10) does not apply to— (a)  development which comprises or forms part of a project serving national defence purposes; (b)  development which consists of the carrying out by a drainage body within the meaning of the Land Drainage Act 1991 HYPERLINK "http://www.opsi.gov.uk/si/si1995/" \l "tfnf021" [21] of improvement works within the meaning of the Land Drainage Improvement Works (Assessment of Environmental Effects) Regulations 1988 HYPERLINK "http://www.opsi.gov.uk/si/si1995/" \l "tfnf022" [22]; (c)  development which consists of the installation of an electric line (within the meaning of Part I of the Electricity Act 1989 HYPERLINK "http://www.opsi.gov.uk/si/si1995/" \l "tfnf023" [23] (electricity supply)) which replaces an existing line (as defined in regulation 2 of the Overhead Lines (Exemption) Regulations 1990 HYPERLINK "http://www.opsi.gov.uk/si/si1995/" \l "tfnf024" [24] (interpretation)) and in respect of which consent under section 37 of that Act (consent required for overhead lines) is not required by virtue of regulation 3(1)(e) of those Regulations (exemptions from section 37(1) of the Electricity Act 1989): provided that, in the circumstances mentioned in paragraph (1)(a) or (b) of regulation 5 of those Regulations (further restrictions on the exemptions contained in regulation 3), the determination for the purposes of that regulation that there is not likely to be a significant adverse effect on the environment shall have been made otherwise than as mentioned in paragraph (2) of that regulation; (d)  development for which permission is granted by Part 7, Class D of Part 8, Part 11, Class B of Part 12, Class F(a) of Part 17, Class A or Class B of Part 20 or Class B of Part 21 of Schedule 2; (e)  development for which permission is granted by Class C or Class D of Part 20, Class A of Part 21 or Class B of Part 22 of Schedule 2 where the land in, on or under which the development is to be carried out is— (i)  in the case of Class C or Class D of Part 20, on the same authorised site, (ii)  in the case of Class A of Part 21, on the same premises or, as the case may be, the same ancillary mining land, (iii)  in the case of Class B of Part 22, on the same land or, as the case may be, on land adjoining that land, as that in, on or under which development of any description permitted by the same Class has been carried out before 3rd June 1995; (f)  the completion of any development begun before 3rd June 1995. Directions restricting permitted development     4.—(1)  If the Secretary of State or the appropriate local planning authority is satisfied that it is expedient that development described in any Part, Class or paragraph in Schedule 2, other than Class B of Part 22 or Class B of Part 23, should not be carried out unless permission is granted for it on an application, he or they may give a direction under this paragraph that the permission granted by article 3 shall not apply to— (a)  all or any development of the Part, Class or paragraph in question in an area specified in the direction; or (b)  any particular development, falling within that Part, Class or paragraph, which is specified in the direction, and the direction shall specify that it is made under this paragraph.     (2)  If the appropriate local planning authority is satisfied that it is expedient that any particular development described in paragraph (5) below should not be carried out within the whole or any part of a conservation area unless permission is granted for it on an application, they may give a direction under this paragraph that the permission granted by article 3 shall not apply to all or any particular development of the Class in question within the whole or any part of the conservation area, and the direction shall specify the development and conservation area or part of that area to which it relates and that it is made under this paragraph.     (3)  A direction under paragraph (1) or (2) shall not affect the carrying out of— (a)  development permitted by Part 11 authorised by an Act passed after 1st July 1948 or by an order requiring the approval of both Houses of Parliament approved after that date; (b)  any development in an emergency; or (c)  any development mentioned in Part 24, unless the direction specifically so provides.     (4)  A direction given or having effect as if given under this article shall not, unless the direction so provides, affect the carrying out by a statutory undertaker of the following descriptions of development— (a)  the maintenance of bridges, buildings and railway stations; (b)  the alteration and maintenance of railway track, and the provision and maintenance of track equipment, including signal boxes, signalling apparatus and other appliances and works required in connection with the movement of traffic by rail; (c)  the maintenance of docks, harbours, quays, wharves, canals and towing paths; (d)  the provision and maintenance of mechanical apparatus or appliances (including signalling equipment) required for the purposes of shipping or in connection with the embarking, disembarking, loading, discharging or transport of passengers, livestock or goods at a dock, quay, harbour, bank, wharf or basin; (e)  any development required in connection with the improvement, maintenance or repair of watercourses or drainage works; (f)  the maintenance of buildings, runways, taxiways or aprons at an aerodrome; (g)  the provision, alteration and maintenance of equipment, apparatus and works at an aerodrome, required in connection with the movement of traffic by air (other than buildings, the construction, erection, reconstruction or alteration of which is permitted by Class A of Part 18 of Schedule 2).     (5)  The development referred to in paragraph (2) is development described in— (a)  Class A of Part 1 of Schedule 2, consisting of the enlargement, improvement or other alteration of a dwellinghouse, where any part of the enlargement, improvement or alteration would front a relevant location; (b)  Class C of Part 1 of that Schedule, where the alteration would be to a roof slope which fronts a relevant location; (c)  Class D of Part 1 of that Schedule, where the external door in question fronts a relevant location; (d)  Class E of Part 1 of that Schedule, where the building or enclosure, swimming or other pool to be provided would front a relevant location, or where the part of the building or enclosure maintained, improved or altered would front a relevant location; (e)  Class F of Part 1 of that Schedule, where the hard surface would front a relevant location; (f)  Class H of Part 1 of that Schedule, where the part of the building or other structure on which the satellite antenna is to be installed, altered or replaced fronts a relevant location; (g)  Part 1 of that Schedule, consisting of the erection, alteration or removal of a chimney on a dwellinghouse or on a building within the curtilage of a dwellinghouse; (h)  Class A of Part 2 of that Schedule, where the gate, fence, wall or other means of enclosure would be within the curtilage of a dwellinghouse and would front a relevant location; (i)  Class C of Part 2 of that Schedule, consisting of the painting of the exterior of any part, which fronts a relevant location, of— (i)  a dwellinghouse; or (ii)  any building or enclosure within the curtilage of a dwellinghouse; (j)  Class B of Part 31 of that Schedule, where the gate, fence, wall or other means of enclosure is within the curtilage of a dwellinghouse and fronts a relevant location.     (6)  In this article and in articles 5 and 6— "appropriate local planning authority" means— (a)  in relation to a conservation area in a non-metropolitan county, the county planning authority or the district planning authority; and (b)  in relation to any other area, the local planning authority whose function it would be to determine an application for planning permission for the development to which the direction relates or is proposed to relate; "relevant location" means a highway, waterway or open space. Approval of Secretary of State for article 4(1) directions     5.—(1)  Except in the cases specified in paragraphs (3) and (4), a direction by a local planning authority under article 4(1) requires the approval of the Secretary of State, who may approve the direction with or without modifications.     (2)  On making a direction under article 4(1) or submitting such a direction to the Secretary of State for approval— (a)  a county planning authority shall give notice of it to any district planning authority in whose district the area to which the direction relates is situated; and (b)  except in metropolitan districts, a district planning authority shall give notice of it to the county planning authority, if any.     (3)  Unless it affects the carrying out of development by a statutory undertaker as provided by article 4(4), the approval of the Secretary of State is not required for a direction which relates to— (a)  a listed building; (b)  a building which is notified to the authority by the Secretary of State as a building of architectural or historic interest; or (c)  development within the curtilage of a listed building, and does not relate to land of any other description.     (4)  Subject to paragraph (6), the approval of the Secretary of State is not required for a direction made under article 4(1) relating only to development permitted by any of Parts 1 to 4 or Part 31 of Schedule 2, if the relevant authority consider the development would be prejudicial to the proper planning of their area or constitute a threat to the amenities of their area.     (5)  A direction not requiring the Secretary of State's approval by virtue of paragraph (4) shall, unless disallowed or approved by the Secretary of State, expire at the end of six months from the date on which it was made.     (6)  Paragraph (4) does not apply to a second or subsequent direction relating to the same development or to development of the same Class or any of the same Classes, in the same area or any part of that area as that to which the first direction relates or related.     (7)  The local planning authority shall send a copy of any direction made by them to which paragraph (4) applies to the Secretary of State not later than the date on which notice of that direction is given in accordance with paragraph (10) or (12).     (8)  The Secretary of State may give notice to the local planning authority that he has disallowed any such direction and the direction shall then cease to have effect.     (9)  The local planning authority shall as soon as reasonably practicable give notice that a direction has been disallowed in the same manner as notice of the direction was given.     (10)  Subject to paragraph (12), notice of any direction made under article 4(1) shall be served by the appropriate local planning authority on the owner and occupier of every part of the land within the area to which the direction relates as soon as practicable after the direction has been made or, where the direction is required to be approved by the Secretary of State, as soon as practicable after it has been so approved; and a direction shall come into force in respect of any part of the land within the area to which the direction relates on the date on which notice is so served on the occupier of that part, or, if there is no occupier, on the owner.     (11)  If a direction to which paragraph (4) applies is approved by the Secretary of State within the period of six months referred to in paragraph (5), then (unless paragraph (12) applies) the authority who made the direction shall, as soon as practicable, serve notice of that approval on the owner and occupier of every part of the land within the area to which the direction relates; and where the Secretary of State has approved the direction with modifications the notice shall indicate the effect of the modifications.     (12)  Where in the case of a direction under article 4(1)(a) an authority consider that individual service in accordance with paragraph (10) or (11) is impracticable for the reasons set out in paragraph (14) they shall publish a notice of the direction, or of the approval, by local advertisement.     (13)  A notice published pursuant to paragraph (12) shall contain a statement of the effect of the direction and of any modification made to it by the Secretary of State, and shall name a place or places where a copy of the direction, and of a map defining the area to which it relates, may be seen at all reasonable hours.     (14)  The reasons referred to in paragraph (12) are that the number of owners and occupiers within the area to which the direction relates makes individual service impracticable, or that it is difficult to identify or locate one or more of them.     (15)  Where notice of a direction has been published in accordance with paragraph (12), the direction shall come into force on the date on which the notice is first published.     (16)  A local planning authority may, by making a subsequent direction and without the approval of the Secretary of State, cancel any direction made by them under article 4(1), and the Secretary of State may make a direction cancelling any direction under article 4(1) made by the local planning authority.     (17)  Paragraphs (10) and (12) to (15) shall apply to any direction made under paragraph (16). Notice and confirmation of article 4(2) directions     6.—(1)  Notice of any direction made under article 4(2) shall, as soon as practicable after the direction has been made, be given by the appropriate local planning authority— (a)  by local advertisement; and (b)  subject to paragraphs (4) and (5), by serving the notice on the owner and occupier of every dwellinghouse within the whole or the relevant part of the conservation area to which the direction relates.     (2)  The notice referred to in paragraph (1) shall— (a)  include a description of the development and the conservation area or part of that area to which the direction relates, and a statement of the effect of the direction; (b)  specify that the direction is made under article 4(2) of this Order; (c)  name a place where a copy of the direction, and a copy of the map defining the conservation area or part of that area to which it relates, may be seen at all reasonable hours; and (d)  specify a period of at least 21 days, stating the date on which that period begins, within which any representations concerning the direction may be made to the local planning authority.     (3)  The direction shall come into force in respect of any part of the land within the conservation area or part of that area to which it relates— (a)  on the date on which the notice is served on the occupier of that part of the land or, if there is no occupier, on the owner; or (b)  if paragraph (4) or (5) applies, on the date on which the notice is first published in accordance with paragraph (1)(a).     (4)  The local planning authority need not serve notice on an owner or occupier in accordance with paragraph (1)(b) where they consider that individual service on that owner or occupier is impracticable because it is difficult to identify or locate him.     (5)  The local planning authority need not serve any notice in accordance with paragraph (1)(b) where they consider that the number of owners or occupiers within the conservation area or part of that area to which the direction relates makes individual service impracticable.     (6)  On making a direction under article 4(2)— (a)  a county planning authority shall give notice of it to any district planning authority in whose district the conservation area or part of that area to which the direction relates is situated; and (b)  except in metropolitan districts, a district planning authority shall give notice of it to the county planning authority, if any.     (7)  A direction under article 4(2) shall expire at the end of six months from the date on which it was made unless confirmed by the appropriate local planning authority in accordance with paragraphs (8) and (9) before the end of that six month period.     (8)  In deciding whether to confirm a direction made under article 4(2), the local planning authority shall take into account any representations received during the period specified in the notice referred to in paragraph (2)(d).     (9)  The local planning authority shall not confirm the direction until a period of at least 28 days has elapsed following the latest date on which any notice relating to the direction was served or published.     (10)  The appropriate local planning authority shall as soon as practicable give notice that a direction has been confirmed in the same manner as in paragraphs (1)(a) and (b) above. Directions restricting permitted development under Class B of Part 22 or Class B of Part 23     7.—(1)  If, on receipt of a notification from any person that he proposes to carry out development within Class B of Part 22 or Class B of Part 23 of Schedule 2, a mineral planning authority are satisfied as mentioned in paragraph (2) below, they may, within a period of 21 days beginning with the receipt of the notification, direct that the permission granted by article 3 of this Order shall not apply to the development, or to such part of the development as is specified in the direction.     (2)  The mineral planning authority may make a direction under this article if they are satisfied that it is expedient that the development, or any part of it, should not be carried out unless permission for it is granted on an application because— (a)  the land on which the development is to be carried out is within— (i)  a National Park, (ii)  an area of outstanding natural beauty, (iii)  a site of archaeological interest, and the operation to be carried out is not one described in the Schedule to the Areas of Archaeological Importance (Notification of Operations) (Exemption) Order 1984 HYPERLINK "http://www.opsi.gov.uk/si/si1995/" \l "tfnf025" [25](exempt operations), (iv)  a site of special scientific interest, or (v)  the Broads; (b)  the development, either taken by itself or taken in conjunction with other development which is already being carried out in the area or in respect of which notification has been given in pursuance of the provisions of Class B of Part 22 or Class B of Part 23, would cause serious detriment to the amenity of the area in which it is to be carried out or would adversely affect the setting of a building shown as Grade I in the list of buildings of special architectural or historic interest compiled by the Secretary of State under section 1 of the Planning (Listed Buildings and Conservation Areas) Act 1990 HYPERLINK "http://www.opsi.gov.uk/si/si1995/" \l "tfnf026" [26](listing of buildings of special architectural or historic interest); (c)  the development would constitute a serious nuisance to the inhabitants of a nearby residential building, hospital or school; or (d)  the development would endanger aircraft using a nearby aerodrome.     (3)  A direction made under this article shall contain a statement as to the day on which (if it is not disallowed under paragraph (5) below) it will come into force, which shall be 29 days from the date on which notice of it is sent to the Secretary of State in accordance with paragraph (4) below.     (4)  As soon as is reasonably practicable a copy of a direction under this article shall be sent by the mineral planning authority to the Secretary of State and to the person who gave notice of the proposal to carry out development.     (5)  The Secretary of State may, at any time within a period of 28 days beginning with the date on which the direction is made, disallow the direction; and immediately upon receipt of notice in writing from the Secretary of State that he has disallowed the direction, the mineral planning authority shall give notice in writing to the person who gave notice of the proposal that he is authorised to proceed with the development. Directions     8.    Any power conferred by this Order to give a direction includes power to cancel or vary the direction by a subsequent direction. Revocations     9.    The statutory instruments specified in column 1 of Schedule 3 are hereby revoked to the extent specified in column 3. John Selwyn Gummer Secretary of State for the Environment 21st February 1995 John Redwood Secretary of State for Wales 22nd February 1995  Notes: [1] 1990 c. 8; section 74(1A) was inserted, and section 74(2) was amended, by section 19(1) of, and paragraph 17 of Schedule 7 to, the Planning and Compensation Act 1991 (c. 34). HYPERLINK "http://www.opsi.gov.uk/si/si1995/" \l "fnf001"  back [2] 1994 c. 21. HYPERLINK "http://www.opsi.gov.uk/si/si1995/" \l "fnf002"  back [3] 1960 c. 62; a relevant amendment is section 13 of the Caravan Sites Act 1968 (c. 52). HYPERLINK "http://www.opsi.gov.uk/si/si1995/" \l "fnf003"  back [4] S.I. 1989/2004, to which there are amendments not relevant to this Order. HYPERLINK "http://www.opsi.gov.uk/si/si1995/" \l "fnf004"  back [5] 1949 c. 97; section 87 was amended by section 130 of, and paragraph 1(12) of Schedule 8 to, the Environmental Protection Act 1990 (c. 43). HYPERLINK "http://www.opsi.gov.uk/si/si1995/" \l "fnf005"  back [6] 1980 c. 66. HYPERLINK "http://www.opsi.gov.uk/si/si1995/" \l "fnf006"  back [7] 1976 c. 70. HYPERLINK "http://www.opsi.gov.uk/si/si1995/" \l "fnf007"  back [8] 1990 c. 9. HYPERLINK "http://www.opsi.gov.uk/si/si1995/" \l "fnf008"  back [9] 1962 c. 58. HYPERLINK "http://www.opsi.gov.uk/si/si1995/" \l "fnf009"  back [10] S.I. 1982/1357. HYPERLINK "http://www.opsi.gov.uk/si/si1995/" \l "fnf010"  back [11] 1981 c. 14; section 1 was amended by Schedule 8 to the Transport Act 1985 (c. 67). HYPERLINK "http://www.opsi.gov.uk/si/si1995/" \l "fnf011"  back [12] 1988 c. 52. HYPERLINK "http://www.opsi.gov.uk/si/si1995/" \l "fnf012"  back [13] 1979 c. 46. HYPERLINK "http://www.opsi.gov.uk/si/si1995/" \l "fnf013"  back [14] 1981 c. 69. HYPERLINK "http://www.opsi.gov.uk/si/si1995/" \l "fnf014"  back [15] 1989 c. 29. HYPERLINK "http://www.opsi.gov.uk/si/si1995/" \l "fnf015"  back [16] 1980 c. 66; section 19 was amended by section 21(1) of the New Roads and Street Works Act 1991 (c. 22). HYPERLINK "http://www.opsi.gov.uk/si/si1995/" \l "fnf016"  back [17] S.I. 1987/764, amended by S.I. 1991/1567, 1992/610, 1992/657, 1994/724, 1995/297. HYPERLINK "http://www.opsi.gov.uk/si/si1995/" \l "fnf017"  back [18] S.I. 1994/2716. HYPERLINK "http://www.opsi.gov.uk/si/si1995/" \l "fnf018"  back [19] S.I. 1988/1199, amended by S.I. 1990/367, 1992/1494 and 1994/677. HYPERLINK "http://www.opsi.gov.uk/si/si1995/" \l "fnf019"  back [20] S.I. 1995/417 HYPERLINK "http://www.opsi.gov.uk/si/si1995/" \l "fnf020"  back [21] 1991 c. 59. The definition of "drainage body" is to be found in section 72(1). HYPERLINK "http://www.opsi.gov.uk/si/si1995/" \l "fnf021"  back [22] S.I. 1988/1217. HYPERLINK "http://www.opsi.gov.uk/si/si1995/" \l "fnf022"  back [23] 1989 c. 29. See the definition in section 64(1). HYPERLINK "http://www.opsi.gov.uk/si/si1995/" \l "fnf023"  back [24] S.I. 1990/2035. HYPERLINK "http://www.opsi.gov.uk/si/si1995/" \l "fnf024"  back [25] S.I. 1984/1286. HYPERLINK "http://www.opsi.gov.uk/si/si1995/" \l "fnf025"  back [26] 1990 c. 9. HYPERLINK "http://www.opsi.gov.uk/si/si1995/" \l "fnf026"  back    HYPERLINK "http://www.opsi.gov.uk/si/si1995/Uksi_19950418_en_3.htm"  INCLUDEPICTURE "http://www.opsi.gov.uk/img/nav-conu.gif" \* MERGEFORMATINET  HYPERLINK "http://www.opsi.gov.uk/si/si1995/Uksi_19950418_en_1.htm"  INCLUDEPICTURE "http://www.opsi.gov.uk/img/navprev2.gif" \* MERGEFORMATINET  HYPERLINK "http://www.opsi.gov.uk/si/si1995/Uksi_19950418_en_1.htm" \l "tcon"  INCLUDEPICTURE "http://www.opsi.gov.uk/img/nav-cont.gif" \* MERGEFORMATINET   HYPERLINK "http://www.opsi.gov.uk/stat.htm" Other UK SIs |  HYPERLINK "/" Home |  HYPERLINK "http://www.wales-legislation.hmso.gov.uk/legislation/wales/w-stat.htm" National Assembly for Wales Statutory Instruments |  HYPERLINK "http://www.scotland-legislation.hmso.gov.uk/legislation/scotland/s-stat.htm" Scottish Statutory Instruments |  HYPERLINK "http://www.northernireland-legislation.hmso.gov.uk/legislation/northernireland/ni-srni.htm" Statutory Rules of Northern Ireland |  HYPERLINK "http://www.hmso.gov.uk/" Her Majesty's Stationery Office   Statutory Instrument 1995 No. 418 The Town and Country Planning (General Permitted Development) Order 1995 - continued   HYPERLINK "http://www.opsi.gov.uk/si/si1995/Uksi_19950418_en_2.htm" \l "end" back to previous page   SCHEDULE 1 Article 1 PART 1 ARTICLE 1(4) LAND Land within the following counties— Cleveland, Cornwall, Cumbria, Devon, Durham, Dyfed, Greater Manchester, Gwynedd, Humberside, Lancashire, Merseyside, Northumberland, North Yorkshire, South Yorkshire, Tyne and Wear, West Glamorgan, West Yorkshire. PART 2 ARTICLE 1(5) LAND Land within— (a)  a National Park; (b)  an area of outstanding natural beauty; (c)  an area designated as a conservation area under section 69 of the Planning (Listed Buildings and Conservation Areas) Act 1990 HYPERLINK "http://www.opsi.gov.uk/si/si1995/" \l "tfnf027" [27](designation of conservation areas); (d)  an area specified by the Secretary of State and the Minister of Agriculture, Fisheries and Food for the purposes of section 41(3) of the Wildlife and Countryside Act 1981 HYPERLINK "http://www.opsi.gov.uk/si/si1995/" \l "tfnf028" [28] (enhancement and protection of the natural beauty and amenity of the countryside); (e)  the Broads. PART 3 ARTICLE 1(6) LAND Land within a National Park or within the following areas— (a)  In England, the Broads or land outside the boundaries of a National Park, which is within the parishes listed below— in the district of Allerdale— Blindcrake, Bothel and Threapland, Bridekirk, Brigham, Broughton, Broughton Moor, Camerton, Crosscanonby, Dean, Dearham, Gilcrux, Great Clifton, Greysouthen, Little Clifton, Loweswater, Oughterside and Allerby, Papcastle, Plumbland, Seaton, Winscales; in the borough of Copeland— Arlecdon and Frizington, Cleator Moor, Distington, Drigg and Carleton, Egremont, Gosforth, Haile, Irton with Santon, Lamplugh, Lowca, Lowside Quarter, Millom, Millom Without, Moresby, Parton, Ponsonby, St Bees, St Bridget's Beckermet, St John's Beckermet, Seascale, Weddicar; in the district of Eden— Ainstable, Asby, Bandleyside, Bolton, Brough, Brough Sowerby, Brougham, Castle Sowerby, Catterlen, Clifton, Cliburn, Crackenthorpe, Crosby Garrett, Crosby Ravensworth, Culgaith, Dacre, Dufton, Glassonby, Great Salkeld, Great Strickland, Greystoke, Hartley, Hesket, Hillbeck, Hunsonby, Hutton, Kaber, Kings Meaburn, Kirkby Stephen, Kirby Thore, Kirkoswald, Langwathby, Lazonby, Little Strickland, Long Marton, Lowther, Mallerstang, Milburn, Morland, Mungrisdale, Murton, Musgrave, Nateby, Newbiggin, Newby, Orton, Ousby, Ravenstonedale, Shap, Skelton, Sleagill, Sockbridge and Tirril, Soulby, Stainmore, Tebay, Temple Sowerby, Thrimby, Waitby, Warcop, Wharton, Winton, Yanwath and Eamont Bridge; in the borough of High Peak— Chapel-en-le-Frith, Charlesworth, Chinley Buxworth and Brownside, Chisworth, Green Fairfield, Hartington Upper Quarter, Hayfield, King Sterndale, Tintwistle, Wormhill; in the district of South Lakeland— Aldingham, Angerton, Arnside, Barbon, Beetham, Blawith and Subberthwaite, Broughton West, Burton, Casterton, Docker, Egton-with-Newland, Fawcett Forest, Firbank, Grayrigg, Helsington, Heversham, Hincaster, Holme, Hutton Roof, Killington, Kirkby Ireleth, Kirkby Lonsdale, Lambrigg, Levens, Lower Allithwaite, Lower Holker, Lowick, Lupton, Mansergh, Mansriggs, Middleton, Milnthorpe, Natland, New Hutton, Old Hutton and Holmescales, Osmotherley, Pennington, Preston Patrick, Preston Richard, Scalthwaiterigg, Sedgwick, Skelsmergh, Stainton, Strickland Ketel, Strickland Roger, Urswick, Whinfell, Whitwell and Selside; in the district of West Derbyshire— Aldwark, Birchover, Stanton; and (b)  In Wales, land outside the boundaries of a National Park which is— (i)  within the communities listed below— in the borough of Aberconwy— Caerhun, Dolgarrog; in the borough of Arfon— Betws Garmon, Bontnewydd, Llanberis, Llanddeiniolen, Llandwrog, Llanllyfni, Llanwnda, Waunfawr; in the district of Meirionnydd— Arthog, Corris, Llanfrothen, Penrhyndeudraeth; or (ii)  within the specified parts of the communities listed below— in the borough of Aberconwy, those parts of the following communities which were on 31st March 1974 within the former rural district of Nant Conway— Conwy, Henryd, Llanddoged and Maenan, Llanrwst, Llansanffraid Glan Conwy; in the borough of Arfon, those parts of the following communities which were on 31st March 1974 within the former rural district of Gwyrfai— Caernarfon, Llandygai, Llanrug, Pentir, Y Felinheli; in the district of Dwyfor, that part of the community of Porthmadog which was on 31st March 1974 within the former rural district of Deudraeth and those parts of the following communities which were on that date within the former rural district of Gwyrfai— Clynnog, Dolbenmaen, Llanaelhaearn; in the district of Glyndwr, those parts of the following communities which were on 31st March 1974 within the former rural district of Penllyn— Llandrillo, Llangwm; in the district of Meirionnydd, those parts of the following communities which were on 31st March 1974 within the former rural district of Deudraeth— Ffestiniog, Talsarnau; and those parts of the following communities which were on that date within the former rural district of Dolgellau— Barmouth, Mawddwy; and that part of the community of Llandderfel which was on that date within the former rural district of Penllyn.  Notes: [27] 1990 c. 9. HYPERLINK "http://www.opsi.gov.uk/si/si1995/" \l "fnf027"  back [28] 1981 c. 69. HYPERLINK "http://www.opsi.gov.uk/si/si1995/" \l "fnf028"  back    HYPERLINK "http://www.opsi.gov.uk/si/si1995/Uksi_19950418_en_4.htm"  INCLUDEPICTURE "http://www.opsi.gov.uk/img/nav-conu.gif" \* MERGEFORMATINET  HYPERLINK "http://www.opsi.gov.uk/si/si1995/Uksi_19950418_en_2.htm"  INCLUDEPICTURE "http://www.opsi.gov.uk/img/navprev2.gif" \* MERGEFORMATINET  HYPERLINK "http://www.opsi.gov.uk/si/si1995/Uksi_19950418_en_1.htm" \l "tcon"  INCLUDEPICTURE "http://www.opsi.gov.uk/img/nav-cont.gif" \* MERGEFORMATINET   HYPERLINK "http://www.opsi.gov.uk/stat.htm" Other UK SIs |  HYPERLINK "/" Home |  HYPERLINK "http://www.wales-legislation.hmso.gov.uk/legislation/wales/w-stat.htm" National Assembly for Wales Statutory Instruments |  HYPERLINK "http://www.scotland-legislation.hmso.gov.uk/legislation/scotland/s-stat.htm" Scottish Statutory Instruments |  HYPERLINK "http://www.northernireland-legislation.hmso.gov.uk/legislation/northernireland/ni-srni.htm" Statutory Rules of Northern Ireland |  HYPERLINK "http://www.hmso.gov.uk/" Her Majesty's Stationery Office   Statutory Instrument 1995 No. 418 The Town and Country Planning (General Permitted Development) Order 1995 - continued   HYPERLINK "http://www.opsi.gov.uk/si/si1995/Uksi_19950418_en_3.htm" \l "end" back to previous page   SCHEDULE 2 Article 3 PART 1 DEVELOPMENT WITHIN THE CURTILAGE OF A DWELLINGHOUSE Class A Permitted development     A.    The enlargement, improvement or other alteration of a dwellinghouse. Development not permitted     A.1    Development is not permitted by Class A if— (a)  the cubic content of the resulting building would exceed the cubic content of the original dwellinghouse— (i)  in the case of a terrace house or in the case of a dwellinghouse on article 1(5) land, by more than 50 cubic metres or 10 %, whichever is the greater, (ii)  in any other case, by more than 70 cubic metres or 15%, whichever is the greater, (iii)  in any case, by more than 115 cubic metres; (b)  the part of the building enlarged, improved or altered would exceed in height the highest part of the roof of the original dwellinghouse; (c)  the part of the building enlarged, improved or altered would be nearer to any highway which bounds the curtilage of the dwellinghouse than— (i)  the part of the original dwellinghouse nearest to that highway, or (ii)  any point 20 metres from that highway, whichever is nearer to the highway; (d)  in the case of development other than the insertion, enlargement, improvement or other alteration of a window in an existing wall of a dwellinghouse, the part of the building enlarged, improved or altered would be within 2 metres of the boundary of the curtilage of the dwellinghouse and would exceed 4 metres in height; (e)  the total area of ground covered by buildings within the curtilage (other than the original dwellinghouse) would exceed 50% of the total area of the curtilage (excluding the ground area of the original dwellinghouse); (f)  it would consist of or include the installation, alteration or replacement of a satellite antenna; (g)  it would consist of or include the erection of a building within the curtilage of a listed building; or (h)  it would consist of or include an alteration to any part of the roof.     A.2    In the case of a dwellinghouse on any article 1(5) land, development is not permitted by Class A if it would consist of or include the cladding of any part of the exterior with stone, artificial stone, timber, plastic or tiles. Interpretation of Class A     A.3    For the purposes of Class A— (a)  the erection within the curtilage of a dwellinghouse of any building with a cubic content greater than 10 cubic metres shall be treated as the enlargement of the dwellinghouse for all purposes (including calculating cubic content) where— (i)  the dwellinghouse is on article 1(5) land, or (ii)  in any other case, any part of that building would be within 5 metres of any part of the dwellinghouse; (b)  where any part of the dwellinghouse would be within 5 metres of an existing building within the same curtilage, that building shall be treated as forming part of the resulting building for the purpose of calculating the cubic content. Class B Permitted development     B.    The enlargement of a dwellinghouse consisting of an addition or alteration to its roof. Development not permitted     B.1    Development is not permitted by Class B if— (a)  any part of the dwellinghouse would, as a result of the works, exceed the height of the highest part of the existing roof; (b)  any part of the dwellinghouse would, as a result of the works, extend beyond the plane of any existing roof slope which fronts any highway; (c)  it would increase the cubic content of the dwellinghouse by more than 40 cubic metres, in the case of a terrace house, or 50 cubic metres in any other case; (d)  the cubic content of the resulting building would exceed the cubic content of the original dwellinghouse— (i)  in the case of a terrace house by more than 50 cubic metres or 10%, whichever is the greater, (ii)  in any other case, by more than 70 cubic metres or 15%, whichever is the greater, or (iii)  in any case, by more than 115 cubic metres; or (e)  the dwellinghouse is on article 1(5) land. Class C Permitted development     C.    Any other alteration to the roof of a dwellinghouse. Development not permitted     C.1    Development is not permitted by Class C if it would result in a material alteration to the shape of the dwellinghouse. Class D Permitted development     D.    The erection or construction of a porch outside any external door of a dwellinghouse. Development not permitted     D.1    Development is not permitted by Class D if— (a)  the ground area (measured externally) of the structure would exceed 3 square metres; (b)  any part of the structure would be more than 3 metres above ground level; or (c)  any part of the structure would be within 2 metres of any boundary of the curtilage of the dwellinghouse with a highway. Class E Permitted development     E.    The provision within the curtilage of a dwellinghouse of any building or enclosure, swimming or other pool required for a purpose incidental to the enjoyment of the dwellinghouse as such, or the maintenance, improvement or other alteration of such a building or enclosure. Development not permitted     E.1    Development is not permitted by Class E if— (a)  it relates to a dwelling or a satellite antenna; (b)  any part of the building or enclosure to be constructed or provided would be nearer to any highway which bounds the curtilage than— (i)  the part of the original dwellinghouse nearest to that highway, or (ii)  any point 20 metres from that highway, whichever is nearer to the highway; (c)  where the building to be constructed or provided would have a cubic content greater than 10 cubic metres, any part of it would be within 5 metres of any part of the dwellinghouse; (d)  the height of that building or enclosure would exceed— (i)  4 metres, in the case of a building with a ridged roof; or (ii)  3 metres, in any other case; (e)  the total area of ground covered by buildings or enclosures within the curtilage (other than the original dwellinghouse) would exceed 50% of the total area of the curtilage (excluding the ground area of the original dwellinghouse); or (f)  in the case of any article 1(5) land or land within the curtilage of a listed building, it would consist of the provision, alteration or improvement of a building with a cubic content greater than 10 cubic metres. Interpretation of Class E     E.2    For the purposes of Class E— "purpose incidental to the enjoyment of the dwellinghouse as such" includes the keeping of poultry, bees, pet animals, birds or other livestock for the domestic needs or personal enjoyment of the occupants of the dwellinghouse. Class F Permitted development     F.    The provision within the curtilage of a dwellinghouse of a hard surface for any purpose incidental to the enjoyment of the dwellinghouse as such. Class G Permitted development     G.    The erection or provision within the curtilage of a dwellinghouse of a container for the storage of oil for domestic heating. Development not permitted     G.1    Development is not permitted by Class G if— (a)  the capacity of the container would exceed 3,500 litres; (b)  any part of the container would be more than 3 metres above ground level; or (c)  any part of the container would be nearer to any highway which bounds the curtilage than— (i)  the part of the original building nearest to that highway, or (ii)  any point 20 metres from that highway, whichever is nearer to the highway. Class H Permitted development     H.    The installation, alteration or replacement of a satellite antenna on a dwellinghouse or within the curtilage of a dwellinghouse. Development not permitted     H.1    Development is not permitted by Class H if— (a)  the size of the antenna (excluding any projecting feed element, reinforcing rim, mountings and brackets) when measured in any dimension would exceed— (i)  45 centimetres in the case of an antenna to be installed on a chimney; (ii)  90 centimetres in the case of an antenna to be installed on or within the curtilage of a dwellinghouse on article 1(4) land other than on a chimney; (iii)  70 centimetres in any other case; (b)  the highest part of an antenna to be installed on a roof or a chimney would, when installed, exceed in height— (i)  in the case of an antenna to be installed on a roof, the highest part of the roof; (ii)  in the case of an antenna to be installed on a chimney, the highest part of the chimney; (c)  there is any other satellite antenna on the dwellinghouse or within its curtilage; (d)  in the case of article 1(5) land, it would consist of the installation of an antenna— (i)  on a chimney; (ii)  on a building which exceeds 15 metres in height; (iii)  on a wall or roof slope which fronts a waterway in the Broads or a highway elsewhere. Conditions     H.2    Development is permitted by Class H subject to the following conditions— (a)  an antenna installed on a building shall, so far as practicable, be sited so as to minimise its effect on the external appearance of the building; (b)  an antenna no longer needed for the reception or transmission of microwave radio energy shall be removed as soon as reasonably practicable. Interpretation of Part 1     I.    For the purposes of Part 1— "resulting building" means the dwellinghouse as enlarged, improved or altered, taking into account any enlargement, improvement or alteration to the original dwellinghouse, whether permitted by this Part or not; and "terrace house" means a dwellinghouse situated in a row of three or more dwellinghouses used or designed for use as single dwellings, where— (a)  it shares a party wall with, or has a main wall adjoining the main wall of, the dwellinghouse on either side; or (b)  if it is at the end of a row, it shares a party wall with or has a main wall adjoining the main wall of a dwellinghouse which fulfils the requirements of sub-paragraph (a) above. PART 2 MINOR OPERATIONS Class A Permitted development     A.    The erection, construction, maintenance, improvement or alteration of a gate, fence, wall or other means of enclosure. Development not permitted     A.1    Development is not permitted by Class A if— (a)  the height of any gate, fence, wall or means of enclosure erected or constructed adjacent to a highway used by vehicular traffic would, after the carrying out of the development, exceed one metre above ground level; (b)  the height of any other gate, fence, wall or means of enclosure erected or constructed would exceed two metres above ground level; (c)  the height of any gate, fence, wall or other means of enclosure maintained, improved or altered would, as a result of the development, exceed its former height or the height referred to in sub-paragraph (a) or (b) as the height appropriate to it if erected or constructed, whichever is the greater; or (d)  it would involve development within the curtilage of, or to a gate, fence, wall or other means of enclosure surrounding, a listed building. Class B Permitted development     B.    The formation, laying out and construction of a means of access to a highway which is not a trunk road or a classified road, where that access is required in connection with development permitted by any Class in this Schedule (other than by Class A of this Part). Class C Permitted development     C.    The painting of the exterior of any building or work. Development not permitted     C.1    Development is not permitted by Class C where the painting is for the purpose of advertisement, announcement or direction. Interpretation of Class C     C.2    In Class C, "painting" includes any application of colour. PART 3 CHANGES OF USE Class A Permitted development     A.    Development consisting of a change of the use of a building to a use falling within Class A1 (shops) of the Schedule to the Use Classes Order from a use falling within Class A3 (food and drink) of that Schedule or from a use for the sale, or display for sale, of motor vehicles. Class B Permitted development     B.    Development consisting of a change of the use of a building— (a)  to a use for any purpose falling within Class B1 (business) of the Schedule to the Use Classes Order from any use falling within Class B2 (general industrial) or B8 (storage and distribution) of that Schedule; (b)  to a use for any purpose falling within Class B8 (storage and distribution) of that Schedule from any use falling within Class B1 (business) or B2 (general industrial). Development not permitted     B.1    Development is not permitted by Class B where the change is to or from a use falling within Class B8 of that Schedule, if the change of use relates to more than 235 square metres of floor space in the building. Class C Permitted development     C.    Development consisting of a change of use to a use falling within Class A2 (financial and professional services) of the Schedule to the Use Classes Order from a use falling within Class A3 (food and drink) of that Schedule. Class D Permitted development     D.    Development consisting of a change of use of any premises with a display window at ground floor level to a use falling within Class A1 (shops) of the Schedule to the Use Classes Order from a use falling within Class A2 (financial and professional services) of that Schedule. Class E Permitted development     E.    Development consisting of a change of the use of a building or other land from a use permitted by planning permission granted on an application, to another use which that permission would have specifically authorised when it was granted. Development not permitted     E.1    Development is not permitted by Class E if— (a)  the application for planning permission referred to was made before the 5th December 1988; (b)  it would be carried out more than 10 years after the grant of planning permission; or (c)  it would result in the breach of any condition, limitation or specification contained in that planning permission in relation to the use in question. Class F Permitted development     F.    Development consisting of a change of the use of a building— (a)  to a mixed use for any purpose within Class A1 (shops) of the Schedule to the Use Classes Order and as a single flat, from a use for any purpose within Class A1 of that Schedule; (b)  to a mixed use for any purpose within Class A2 (financial and professional services) of the Schedule to the Use Classes Order and as a single flat, from a use for any purpose within Class A2 of that Schedule; (c)  where that building has a display window at ground floor level, to a mixed use for any purpose within Class A1 (shops) of the Schedule to the Use Classes Order and as a single flat, from a use for any purpose within Class A2 (financial and professional services) of that Schedule. Conditions     F.1    Development permitted by Class F is subject to the following conditions— (a)  some or all of the parts of the building used for any purposes within Class A1 or Class A2, as the case may be, of the Schedule to the Use Classes Order shall be situated on a floor below the part of the building used as a single flat; (b)  where the development consists of a change of use of any building with a display window at ground floor level, the ground floor shall not be used in whole or in part as the single flat; (c)  the single flat shall not be used otherwise than as a dwelling (whether or not as a sole or main residence)— (i)  by a single person or by people living together as a family, or (ii)  by not more than six residents living together as a single household (including a household where care is provided for residents). Interpretation of Class F     F.2    For the purposes of Class F— "care" means personal care for people in need of such care by reason of old age, disablement, past or present dependence on alcohol or drugs or past or present mental disorder. Class G Permitted development     G.    Development consisting of a change of the use of a building— (a)  to a use for any purpose within Class A1 (shops) of the Schedule to the Use Classes Order from a mixed use for any purpose within Class A1 of that Schedule and as a single flat; (b)  to a use for any purpose within Class A2 (financial and professional services) of the Schedule to the Use Classes Order from a mixed use for any purpose within Class A2 of that Schedule and as a single flat; (c)  where that building has a display window at ground floor level, to a use for any purpose within Class A1 (shops) of the Schedule to the Use Classes Order from a mixed use for any purpose within Class A2 (financial and professional services) of that Schedule and as a single flat. Development not permitted     G.1    Development is not permitted by Class G unless the part of the building used as a single flat was immediately prior to being so used used for any purpose within Class A1 or Class A2 of the Schedule to the Use Classes Order. PART 4 TEMPORARY BUILDINGS AND USES Class A Permitted development     A.    The provision on land of buildings, moveable structures, works, plant or machinery required temporarily in connection with and for the duration of operations being or to be carried out on, in, under or over that land or on land adjoining that land. Development not permitted     A.1    Development is not permitted by Class A if— (a)  the operations referred to are mining operations, or (b)  planning permission is required for those operations but is not granted or deemed to be granted. Conditions     A.2    Development is permitted by Class A subject to the conditions that, when the operations have been carried out— (a)  any building, structure, works, plant or machinery permitted by Class A shall be removed, and (b)  any adjoining land on which development permitted by Class A has been carried out shall, as soon as reasonably practicable, be reinstated to its condition before that development was carried out. Class B Permitted development     B.    The use of any land for any purpose for not more than 28 days in total in any calendar year, of which not more than 14 days in total may be for the purposes referred to in paragraph B.2, and the provision on the land of any moveable structure for the purposes of the permitted use. Development not permitted     B.1    Development is not permitted by Class B if— (a)  the land in question is a building or is within the curtilage of a building, (b)  the use of the land is for a caravan site, (c)  the land is, or is within, a site of special scientific interest and the use of the land is for— (i)  a purpose referred to in paragraph B.2(b) or other motor sports; (ii)  clay pigeon shooting; or (iii)  any war game, or (d)  the use of the land is for the display of an advertisement. Interpretation of Class B     B.2    The purposes mentioned in Class B above are— (a)  the holding of a market; (b)  motor car and motorcycle racing including trials of speed, and practising for these activities.     B.3    In Class B, "war game" means an enacted, mock or imaginary battle conducted with weapons which are designed not to injure (including smoke bombs, or guns or grenades which fire or spray paint or are otherwise used to mark other participants), but excludes military activities or training exercises organised by or with the authority of the Secretary of State for Defence. PART 5 CARAVAN SITES Class A Permitted development     A.    The use of land, other than a building, as a caravan site in the circumstances referred to in paragraph A.2. Condition     A.1    Development is permitted by Class A subject to the condition that the use shall be discontinued when the circumstances specified in paragraph A.2 cease to exist, and all caravans on the site shall be removed as soon as reasonably practicable. Interpretation of Class A     A.2    The circumstances mentioned in Class A are those specified in paragraphs 2 to 10 of Schedule 1 to the 1960 Act (cases where a caravan site licence is not required), but in relation to those mentioned in paragraph 10 do not include use for winter quarters. Class B Permitted development     B.    Development required by the conditions of a site licence for the time being in force under the 1960 Act. PART 6 AGRICULTURAL BUILDINGS AND OPERATIONS Class A Development on units of 5 hectares or more Permitted development     A.    The carrying out on agricultural land comprised in an agricultural unit of 5 hectares or more in area of— (a)  works for the erection, extension or alteration of a building; or (b)  any excavation or engineering operations, which are reasonably necessary for the purposes of agriculture within that unit. Development not permitted     A.1    Development is not permitted by Class A if— (a)  the development would be carried out on a separate parcel of land forming part of the unit which is less than 1 hectare in area; (b)  it would consist of, or include, the erection, extension or alteration of a dwelling; (c)  it would involve the provision of a building, structure or works not designed for agricultural purposes; (d)  the ground area which would be covered by— (i)  any works or structure (other than a fence) for accommodating livestock or any plant or machinery arising from engineering operations; or (ii)  any building erected or extended or altered by virtue of Class A, would exceed 465 square metres, calculated as described in paragraph D.2 below; (e)  the height of any part of any building, structure or works within 3 kilometres of the perimeter of an aerodrome would exceed 3 metres; (f)  the height of any part of any building, structure or works not within 3 kilometres of the perimeter of an aerodrome would exceed 12 metres; (g)  any part of the development would be within 25 metres of a metalled part of a trunk road or classified road; (h)  it would consist of, or include, the erection or construction of, or the carrying out of any works to, a building, structure or an excavation used or to be used for the accommodation of livestock or for the storage of slurry or sewage sludge where the building, structure or excavation is, or would be, within 400 metres of the curtilage of a protected building; or (i)  it would involve excavations or engineering operations on or over article 1(6) land which are connected with fish farming. Conditions     A.2(1)    Development is permitted by Class A subject to the following conditions— (a)  where development is carried out within 400 metres of the curtilage of a protected building, any building, structure, excavation or works resulting from the development shall not be used for the accommodation of livestock except in the circumstances described in paragraph D.3 below or for the storage of slurry or sewage sludge; (b)  where the development involves— (i)  the extraction of any mineral from the land (including removal from any disused railway embankment); or (ii)  the removal of any mineral from a mineral-working deposit, the mineral shall not be moved off the unit; (c)  waste materials shall not be brought on to the land from elsewhere for deposit except for use in works described in Class A(a) or in the provision of a hard surface and any materials so brought shall be incorporated forthwith into the building or works in question.     (2)  Subject to paragraph (3), development consisting of— (a)  the erection, extension or alteration of a building; (b)  the formation or alteration of a private way; (c)  the carrying out of excavations or the deposit of waste material (where the relevant area, as defined in paragraph D.4 below, exceeds 0.5 hectare); or (d)  the placing or assembly of a tank in any waters, is permitted by Class A subject to the following conditions— (i)  the developer shall, before beginning the development, apply to the local planning authority for a determination as to whether the prior approval of the authority will be required to the siting, design and external appearance of the building, the siting and means of construction of the private way, the siting of the excavation or deposit or the siting and appearance of the tank, as the case may be; (ii)  the application shall be accompanied by a written description of the proposed development and of the materials to be used and a plan indicating the site together with any fee required to be paid; (iii)  the development shall not be begun before the occurrence of one of the following— (aa)  the receipt by the applicant from the local planning authority of a written notice of their determination that such prior approval is not required; (bb)  where the local planning authority give the applicant notice within 28 days following the date of receiving his application of their determination that such prior approval is required, the giving of such approval; or (cc)  the expiry of 28 days following the date on which the application was received by the local planning authority without the local planning authority making any determination as to whether such approval is required or notifying the applicant of their determination; (iv)    (aa)  where the local planning authority give the applicant notice that such prior approval is required the applicant shall display a site notice by site display on or near the land on which the proposed development is to be carried out, leaving the notice in position for not less than 21 days in the period of 28 days from the date on which the local planning authority gave the notice to the applicant; (bb)  where the site notice is, without any fault or intention of the applicant, removed, obscured or defaced before the period of 21 days referred to in sub-paragraph (aa) has elapsed, he shall be treated as having complied with the requirements of that sub-paragraph if he has taken reasonable steps for protection of the notice and, if need be, its replacement; (v)  the development shall, except to the extent that the local planning authority otherwise agree in writing, be carried out— (aa)  where prior approval is required, in accordance with the details approved; (bb)  where prior approval is not required, in accordance with the details submitted with the application; and (vi)  the development shall be carried out— (aa)  where approval has been given by the local planning authority, within a period of five years from the date on which approval was given; (bb)  in any other case, within a period of five years from the date on which the local planning authority were given the information referred to in sub-paragraph (d)(ii).     (3)  The conditions in paragraph (2) do not apply to the extension or alteration of a building if the building is not on article 1(6) land except in the case of a significant extension or a significant alteration.     (4)  Development consisting of the significant extension or the significant alteration of a building may only be carried out once by virtue of Class A(a). Class B Development on units of less than 5 hectares Permitted development     B.    The carrying out on agricultural land comprised in an agricultural unit of not less than 0.4 but less than 5 hectares in area of development consisting of— (a)  the extension or alteration of an agricultural building; (b)  the installation of additional or replacement plant or machinery; (c)  the provision, rearrangement or replacement of a sewer, main, pipe, cable or other apparatus; (d)  the provision, rearrangement or replacement of a private way; (e)  the provision of a hard surface; (f)  the deposit of waste; or (g)  the carrying out of any of the following operations in connection with fish farming, namely, repairing ponds and raceways; the installation of grading machinery, aeration equipment or flow meters and any associated channel; the dredging of ponds; and the replacement of tanks and nets, where the development is reasonably necessary for the purposes of agriculture within the unit. Development not permitted     B.1    Development is not permitted by Class B if— (a)  the development would be carried out on a separate parcel of land forming part of the unit which is less than 0.4 hectare in area; (b)  the external appearance of the premises would be materially affected; (c)  any part of the development would be within 25 metres of a metalled part of a trunk road or classified road; (d)  it would consist of, or involve, the carrying out of any works to a building or structure used or to be used for the accommodation of livestock or the storage of slurry or sewage sludge where the building or structure is within 400 metres of the curtilage of a protected building; or (e)  it would relate to fish farming and would involve the placing or assembly of a tank on land or in any waters or the construction of a pond in which fish may be kept or an increase (otherwise than by the removal of silt) in the size of any tank or pond in which fish may be kept.     B.2    Development is not permitted by Class B(a) if— (a)  the height of any building would be increased; (b)  the cubic content of the original building would be increased by more than 10%; (c)  any part of any new building would be more than 30 metres from the original building; (d)  the development would involve the extension, alteration or provision of a dwelling; (e)  any part of the development would be carried out within 5 metres of any boundary of the unit; or (f)  the ground area of any building extended by virtue of Class B(a) would exceed 465 square metres.     B.3    Development is not permitted by Class B(b) if— (a)  the height of any additional plant or machinery within 3 kilometres of the perimeter of an aerodrome would exceed 3 metres; (b)  the height of any additional plant or machinery not within 3 kilometres of the perimeter of an aerodrome would exceed 12 metres; (c)  the height of any replacement plant or machinery would exceed that of the plant or machinery being replaced; or (d)  the area to be covered by the development would exceed 465 square metres calculated as described in paragraph D.2 below.     B.4    Development is not permitted by Class B(e) if the area to be covered by the development would exceed 465 square metres calculated as described in paragraph D.2 below. Conditions     B.5    Development permitted by Class B and carried out within 400 metres of the curtilage of a protected building is subject to the condition that any building which is extended or altered, or any works resulting from the development, shall not be used for the accommodation of livestock except in the circumstances described in paragraph D.3 below or for the storage of slurry or sewage sludge.     B.6    Development consisting of the extension or alteration of a building situated on article 1(6) land or the provision, rearrangement or replacement of a private way on such land is permitted subject to— (a)  the condition that the developer shall, before beginning the development, apply to the local planning authority for a determination as to whether the prior approval of the authority will be required to the siting, design and external appearance of the building as extended or altered or the siting and means of construction of the private way; and (b)  the conditions set out in paragraphs A.2(2)(ii) to (vi) above.     B.7    Development is permitted by Class B(f) subject to the following conditions— (a)  that waste materials are not brought on to the land from elsewhere for deposit unless they are for use in works described in Class B(a), (d) or (e) and are incorporated forthwith into the building or works in question; and (b)  that the height of the surface of the land will not be materially increased by the deposit. Class C Mineral working for agricultural purposes Permitted development     C.    The winning and working on land held or occupied with land used for the purposes of agriculture of any minerals reasonably necessary for agricultural purposes within the agricultural unit of which it forms part. Development not permitted     C.1    Development is not permitted by Class C if any excavation would be made within 25 metres of a metalled part of a trunk road or classified road. Condition     C.2    Development is permitted by Class C subject to the condition that no mineral extracted during the course of the operation shall be moved to any place outside the land from which it was extracted, except to land which is held or occupied with that land and is used for the purposes of agriculture. Interpretation of Part 6     D.1    For the purposes of Part 6— "agricultural land" means land which, before development permitted by this Part is carried out, is land in use for agriculture and which is so used for the purposes of a trade or business, and excludes any dwellinghouse or garden; "agricultural unit" means agricultural land which is occupied as a unit for the purposes of agriculture, including— (a)  any dwelling or other building on that land occupied for the purpose of farming the land by the person who occupies the unit, or (b)  any dwelling on that land occupied by a farmworker; "building" does not include anything resulting from engineering operations; "fish farming" means the breeding, rearing or keeping of fish or shellfish (which includes any kind of crustacean and mollusc); "livestock" includes fish or shellfish which are farmed; "protected building" means any permanent building which is normally occupied by people or would be so occupied, if it were in use for purposes for which it is apt; but does not include— (i)  a building within the agricultural unit; or (ii)  a dwelling or other building on another agricultural unit which is used for or in connection with agriculture; "significant extension" and "significant alteration" mean any extension or alteration of the building where the cubic content of the original building would be exceeded by more than 10% or the height of the building as extended or altered would exceed the height of the original building; "slurry" means animal faeces and urine (whether or not water has been added for handling); and "tank" includes any cage and any other structure for use in fish farming.     D.2    For the purposes of Part 6— (a)  an area calculated as described in this paragraph comprises the ground area which would be covered by the proposed development, together with the ground area of any building (other than a dwelling), or any structure, works, plant, machinery, ponds or tanks within the same unit which are being provided or have been provided within the preceding two years and any part of which would be within 90 metres of the proposed development; (b)  400 metres is to be measured along the ground.     D.3    The circumstances referred to in paragraphs A.2(1)(a) and B.5 are— (a)  that no other suitable building or structure, 400 metres or more from the curtilage of a protected building, is available to accommodate the livestock; and (b)    (i)  that the need to accommodate the livestock arises from— (aa)  quarantine requirements; or (bb)  an emergency due to another building or structure in which the livestock could otherwise be accommodated being unavailable because it has been damaged or destroyed by fire, flood or storm; or (ii)  in the case of animals normally kept out of doors, they require temporary accommodation in a building or other structure— (aa)  because they are sick or giving birth or newly born; or (bb)  to provide shelter against extreme weather conditions.     D.4    For the purposes of paragraph A.2(2)(c), the relevant area is the area of the proposed excavation or the area on which it is proposed to deposit waste together with the aggregate of the areas of all other excavations within the unit which have not been filled and of all other parts of the unit on or under which waste has been deposited and has not been removed.     D.5    In paragraph A.2(2)(iv), "site notice" means a notice containing— (a)  the name of the applicant, (b)  the address or location of the proposed development, (c)  a description of the proposed development and of the materials to be used, (d)  a statement that the prior approval of the authority will be required to the siting, design and external appearance of the building, the siting and means of construction of the private way, the siting of the excavation or deposit or the siting and appearance of the tank, as the case may be, (e)  the name and address of the local planning authority, and which is signed and dated by or on behalf of the applicant.     D.6    For the purposes of Class B— (a)  the erection of any additional building within the curtilage of another building is to be treated as the extension of that building and the additional building is not to be treated as an original building; (b)  where two or more original buildings are within the same curtilage and are used for the same undertaking they are to be treated as a single original building in making any measurement in connection with the extension or alteration of either of them.     D.7    In Class C, "the purposes of agriculture" includes fertilising land used for the purposes of agriculture and the maintenance, improvement or alteration of any buildings, structures or works occupied or used for such purposes on land so used. PART 7 FORESTRY BUILDINGS AND OPERATIONS Class A Permitted development     A.    The carrying out on land used for the purposes of forestry, including afforestation, of development reasonably necessary for those purposes consisting of— (a)  works for the erection, extension or alteration of a building; (b)  the formation, alteration or maintenance of private ways; (c)  operations on that land, or on land held or occupied with that land, to obtain the materials required for the formation, alteration or maintenance of such ways; (d)  other operations (not including engineering or mining operations). Development not permitted     A.1    Development is not permitted by Class A if— (a)  it would consist of or include the provision or alteration of a dwelling; (b)  the height of any building or works within 3 kilometres of the perimeter of an aerodrome would exceed 3 metres in height; or (c)  any part of the development would be within 25 metres of the metalled portion of a trunk road or classified road.     A.2(1)    Subject to paragraph (3), development consisting of the erection of a building or the extension or alteration of a building or the formation or alteration of a private way is permitted by Class A subject to the following conditions— (a)  the developer shall, before beginning the development, apply to the local planning authority for a determination as to whether the prior approval of the authority will be required to the siting, design and external appearance of the building or, as the case may be, the siting and means of construction of the private way; (b)  the application shall be accompanied by a written description of the proposed development, the materials to be used and a plan indicating the site together with any fee required to be paid; (c)  the development shall not be begun before the occurrence of one of the following— (i)  the receipt by the applicant from the local planning authority of a written notice of their determination that such prior approval is not required; (ii)  where the local planning authority give the applicant notice within 28 days following the date of receiving his application of their determination that such prior approval is required, the giving of such approval; (iii)  the expiry of 28 days following the date on which the application was received by the local planning authority without the local planning authority making any determination as to whether such approval is required or notifying the applicant of their determination; (d)    (i)  where the local planning authority give the applicant notice that such prior approval is required the applicant shall display a site notice by site display on or near the land on which the proposed development is to be carried out, leaving the notice in position for not less than 21 days in the period of 28 days from the date on which the local planning authority gave the notice to the applicant; (ii)  where the site notice is, without any fault or intention of the applicant, removed, obscured or defaced before the period of 21 days referred to in sub-paragraph (i) has elapsed, he shall be treated as having complied with the requirements of that sub-paragraph if he has taken reasonable steps for protection of the notice and, if need be, its replacement; (e)  the development shall, except to the extent that the local planning authority otherwise agree in writing, be carried out— (i)  where prior approval is required, in accordance with the details approved; (ii)  where prior approval is not required, in accordance with the details submitted with the application; (f)  the development shall be carried out— (i)  where approval has been given by the local planning authority, within a period of five years from the date on which approval was given, (ii)  in any other case, within a period of five years from the date on which the local planning authority were given the information referred to in sub-paragraph (b).     (2)  In the case of development consisting of the significant extension or the significant alteration of the building such development may be carried out only once.     (3)  Paragraph (1) does not preclude the extension or alteration of a building if the building is not on article 1(6) land except in the case of a significant extension or a significant alteration. Interpretation of Class A     A.3    For the purposes of Class A— "significant extension" and "significant alteration" mean any extension or alteration of the building where the cubic content of the original building would be exceeded by more than 10% or the height of the building as extended or altered would exceed the height of the original building; and "site notice" means a notice containing— (a)  the name of the applicant, (b)  the address or location of the proposed development, (c)  a description of the proposed development and of the materials to be used, (d)  a statement that the prior approval of the authority will be required to the siting, design and external appearance of the building or, as the case may be, the siting and means of construction of the private way, (e)  the name and address of the local planning authority, and which is signed and dated by or on behalf of the applicant. PART 8 INDUSTRIAL AND WAREHOUSE DEVELOPMENT Class A Permitted development     A.    The extension or alteration of an industrial building or a warehouse. Development not permitted     A.1    Development is not permitted by Class A if— (a)  the building as extended or altered is to be used for purposes other than those of the undertaking concerned; (b)  the building is to be used for a purpose other than— (i)  in the case of an industrial building, the carrying out of an industrial process or the provision of employee facilities; (ii)  in the case of a warehouse, storage or distribution or the provision of employee facilities; (c)  the height of the building as extended or altered would exceed the height of the original building; (d)  the cubic content of the original building would be exceeded by more than— (i)  10%, in respect of development on any article 1(5) land, or (ii)  25%, in any other case; (e)  the floor space of the original building would be exceeded by more than— (i)  500 square metres in respect of development on any article 1(5) land, or (ii)  1,000 square metres in any other case; (f)  the external appearance of the premises of the undertaking concerned would be materially affected; (g)  any part of the development would be carried out within 5 metres of any boundary of the curtilage of the premises; or (h)  the development would lead to a reduction in the space available for the parking or turning of vehicles. Conditions     A.2    Development is permitted by Class A subject to the conditions that any building extended or altered— (a)  shall only be used— (i)  in the case of an industrial building, for the carrying out of an industrial process for the purposes of the undertaking or the provision of employee facilities; (ii)  in the case of a warehouse, for storage or distribution for the purposes of the undertaking or the provision of employee facilities; (b)  shall not be used to provide employee facilities between 7.00 p.m. and 6.30 a.m. for employees other than those present at the premises of the undertaking for the purpose of their employment; (c)  shall not be used to provide employee facilities if a notifiable quantity of a hazardous substance is present at the premises of the undertaking. Interpretation of Class A     A.3    For the purposes of Class A— (a)  the erection of any additional building within the curtilage of another building (whether by virtue of Class A or otherwise) and used in connection with it is to be treated as the extension of that building, and the additional building is not to be treated as an original building; (b)  where two or more original buildings are within the same curtilage and are used for the same undertaking, they are to be treated as a single original building in making any measurement; (c)  "employee facilities" means social, care or recreational facilities provided for employees of the undertaking, including creche facilities provided for the children of such employees. Class B Permitted development     B.    Development carried out on industrial land for the purposes of an industrial process consisting of— (a)  the installation of additional or replacement plant or machinery, (b)  the provision, rearrangement or replacement of a sewer, main, pipe, cable or other apparatus, or (c)  the provision, rearrangement or replacement of a private way, private railway, siding or conveyor. Development not permitted     B.1    Development described in Class B(a) is not permitted if— (a)  it would materially affect the external appearance of the premises of the undertaking concerned, or (b)  any plant or machinery would exceed a height of 15 metres above ground level or the height of anything replaced, whichever is the greater. Interpretation of Class B     B.2    In Class B, "industrial land" means land used for the carrying out of an industrial process, including land used for the purposes of an industrial undertaking as a dock, harbour or quay, but does not include land in or adjacent to and occupied together with a mine. Class C Permitted development     C.    The provision of a hard surface within the curtilage of an industrial building or warehouse to be used for the purpose of the undertaking concerned. Class D Permitted development     D.    The deposit of waste material resulting from an industrial process on any land comprised in a site which was used for that purpose on 1st July 1948 whether or not the superficial area or the height of the deposit is extended as a result. Development not permitted     D.1    Development is not permitted by Class D if— (a)  the waste material is or includes material resulting from the winning and working of minerals, or (b)  the use on 1st July 1948 was for the deposit of material resulting from the winning and working of minerals. Interpretation of Part 8     E.    For the purposes of Part 8, in Classes A and C— "industrial building" means a building used for the carrying out of an industrial process and includes a building used for the carrying out of such a process on land used as a dock, harbour or quay for the purposes of an industrial undertaking but does not include a building on land in or adjacent to and occupied together with a mine; and "warehouse" means a building used for any purpose within Class B8 (storage or distribution) of the Schedule to the Use Classes Order but does not include a building on land in or adjacent to and occupied together with a mine. PART 9 REPAIRS TO UNADOPTED STREETS AND PRIVATE WAYS Class A Permitted development     A.    The carrying out on land within the boundaries of an unadopted street or private way of works required for the maintenance or improvement of the street or way. Interpretation of Class A     A.1    For the purposes of Class A— "unadopted street" means a street not being a highway maintainable at the public expense within the meaning of the Highways Act 1980 HYPERLINK "http://www.opsi.gov.uk/si/si1995/" \l "tfnf029" [29]. PART 10 REPAIRS TO SERVICES Class A Permitted development The carrying out of any works for the purposes of inspecting, repairing or renewing any sewer, main, pipe, cable or other apparatus, including breaking open any land for that purpose. PART 11 DEVELOPMENT UNDER LOCAL OR PRIVATE ACTS OR ORDERS Class A Permitted development     A.    Development authorised by— (a)  a local or private Act of Parliament, (b)  an order approved by both Houses of Parliament, or (c)  an order under section 14 or 16 of the Harbours Act 1964 HYPERLINK "http://www.opsi.gov.uk/si/si1995/" \l "tfnf030" [30](orders for securing harbour efficiency etc., and orders conferring powers for improvement, construction etc. of harbours) which designates specifically the nature of the development authorised and the land upon which it may be carried out. Condition     A.1    Development is not permitted by Class A if it consists of or includes— (a)  the erection, construction, alteration or extension of any building, bridge, aqueduct, pier or dam, or (b)  the formation, laying out or alteration of a means of access to any highway used by vehicular traffic, unless the prior approval of the appropriate authority to the detailed plans and specifications is first obtained. Prior approvals     A.2    The prior approval referred to in paragraph A.1 is not to be refused by the appropriate authority nor are conditions to be imposed unless they are satisfied that— (a)  the development (other than the provision of or works carried out to a dam) ought to be and could reasonably be carried out elsewhere on the land; or (b)  the design or external appearance of any building, bridge, aqueduct, pier or dam would injure the amenity of the neighbourhood and is reasonably capable of modification to avoid such injury. Interpretation of Class A     A. 3    In Class A, "appropriate authority" means— (a)  in Greater London or a metropolitan county, the local planning authority, (b)  in a National Park, outside a metropolitan county, the county planning authority, (c)  in any other case, the district planning authority HYPERLINK "http://www.opsi.gov.uk/si/si1995/" \l "tfnf031" [31]. PART 12 DEVELOPMENT BY LOCAL AUTHORITIES Class A Permitted development     A.    The erection or construction and the maintenance, improvement or other alteration by a local authority or by an urban development corporation of— (a)  any small ancillary building, works or equipment on land belonging to or maintained by them required for the purposes of any function exercised by them on that land otherwise than as statutory undertakers; (b)  lamp standards, information kiosks, passenger shelters, public shelters and seats, telephone boxes, fire alarms, public drinking fountains, horse troughs, refuse bins or baskets, barriers for the control of people waiting to enter public service vehicles, and similar structures or works required in connection with the operation of any public service administered by them. Interpretation of Class A     A.1    For the purposes of Class A— "urban development corporation" has the same meaning as in Part XVI of the Local Government, Planning and Land Act 1980 HYPERLINK "http://www.opsi.gov.uk/si/si1995/" \l "tfnf032" [32] (urban development).     A.2    The reference in Class A to any small ancillary building, works or equipment is a reference to any ancillary building, works or equipment not exceeding 4 metres in height or 200 cubic metres in capacity. Class B Permitted development     B.    The deposit by a local authority of waste material on any land comprised in a site which was used for that purpose on 1st July 1948 whether or not the superficial area or the height of the deposit is extended as a result. Development not permitted     B.1    Development is not permitted by Class B if the waste material is or includes material resulting from the winning and working of minerals. Interpretation of Part 12     C.    For the purposes of Part 12— "local authority" includes a parish or community council. PART 13 DEVELOPMENT BY LOCAL HIGHWAY AUTHORITIES Class A Permitted development     A.    The carrying out by a local highway authority on land outside but adjoining the boundary of an existing highway of works required for or incidental to the maintenance or improvement of the highway. PART 14 DEVELOPMENT BY DRAINAGE BODIES Class A Permitted development     A.    Development by a drainage body in, on or under any watercourse or land drainage works and required in connection with the improvement, maintenance or repair of that watercourse or those works. Interpretation of Class A     A.1    For the purposes of Class A— "drainage body" has the same meaning as in section 72(1) of the Land Drainage Act 1991 HYPERLINK "http://www.opsi.gov.uk/si/si1995/" \l "tfnf033" [33] (interpretation) other than the National Rivers Authority. PART 15 DEVELOPMENT BY THE NATIONAL RIVERS AUTHORITY Class A Permitted development     A.    Development by the National Rivers Authority, for the purposes of their functions, consisting of— (a)  development not above ground level required in connection with conserving, redistributing or augmenting water resources, (b)  development in, on or under any watercourse or land drainage works and required in connection with the improvement, maintenance or repair of that watercourse or those works, (c)  the provision of a building, plant, machinery or apparatus in, on, over or under land for the purpose of survey or investigation, (d)  the maintenance, improvement or repair of works for measuring the flow in any watercourse or channel, (e)  any works authorised by or required in connection with an order made under section 73 of the Water Resources Act 1991 HYPERLINK "http://www.opsi.gov.uk/si/si1995/" \l "tfnf034" [34] (power to make ordinary and emergency drought orders), (f)  any other development in, on, over or under their operational land, other than the provision of a building but including the extension or alteration of a building. Development not permitted     A.1    Development is not permitted by Class A if— (a)  in the case of any Class A(a) development, it would include the construction of a reservoir, (b)  in the case of any Class A(f) development, it would consist of or include the extension or alteration of a building so that— (i)  its design or external appearance would be materially affected, (ii)  the height of the original building would be exceeded, or the cubic content of the original building would be exceeded by more than 25%, or (iii)  the floor space of the original building would be exceeded by more than 1,000 square metres, or (c)  in the case of any Class A(f) development, it would consist of the installation or erection of any plant or machinery exceeding 15 metres in height or the height of anything it replaces, whichever is the greater. Condition     A.2    Development is permitted by Class A(c) subject to the condition that, on completion of the survey or investigation, or at the expiration of six months from the commencement of the development concerned, whichever is the sooner, all such operations shall cease and all such buildings, plant, machinery and apparatus shall be removed and the land restored as soon as reasonably practicable to its former condition (or to any other condition which may be agreed with the local planning authority). PART 16 DEVELOPMENT BY OR ON BEHALF OF SEWERAGE UNDERTAKERS Class A Permitted development     A.    Development by or on behalf of a sewerage undertaker consisting of— (a)  development not above ground level required in connection with the provision, improvement, maintenance or repair of a sewer, outfall pipe, sludge main or associated apparatus; (b)  the provision of a building, plant, machinery or apparatus in, on, over or under land for the purpose of survey or investigation; (c)  the maintenance, improvement or repair of works for measuring the flow in any watercourse or channel; (d)  any works authorised by or required in connection with an order made under section 73 of the Water Resources Act 1991 (power to make ordinary and emergency drought orders); (e)  any other development in, on, over or under their operational land, other than the provision of a building but including the extension or alteration of a building. Development not permitted     A.1    Development is not permitted by Class A(e) if— (a)  it would consist of or include the extension or alteration of a building so that— (i)  its design or external appearance would be materially affected; (ii)  the height of the original building would be exceeded, or the cubic content of the original building would be exceeded, by more than 25%; or (iii)  the floor space of the original building would be exceeded by more than 1,000 square metres; or (b)  it would consist of the installation or erection of any plant or machinery exceeding 15 metres in height or the height of anything it replaces, whichever is the greater. Condition     A.2    Development is permitted by Class A(b) subject to the condition that, on completion of the survey or investigation, or at the expiration of 6 months from the commencement of the development concerned, whichever is the sooner, all such operations shall cease and all such buildings, plant, machinery and apparatus shall be removed and the land restored as soon as reasonably practicable to its former condition (or to any other condition which may be agreed with the local planning authority). Interpretation of Class A     A.3    For the purposes of Class A— "associated apparatus", in relation to any sewer, main or pipe, means pumps, machinery or apparatus associated with the relevant sewer, main or pipe; "sludge main" means a pipe or system of pipes (together with any pumps or other machinery or apparatus associated with it) for the conveyance of the residue of water or sewage treated in a water or sewage treatment works as the case may be, including final effluent or the products of the dewatering or incineration of such residue, or partly for any of those purposes and partly for the conveyance of trade effluent or its residue. PART 17 DEVELOPMENT BY STATUTORY UNDERTAKERS Class A Railway or light railway undertakings Permitted development     A.    Development by railway undertakers on their operational land, required in connection with the movement of traffic by rail. Development not permitted     A.1    Development is not permitted by Class A if it consists of or includes— (a)  the construction of a railway, (b)  the construction or erection of a hotel, railway station or bridge, or (c)  the construction or erection otherwise than wholly within a railway station of— (i)  an office, residential or educational building, or a building used for an industrial process, or (ii)  a car park, shop, restaurant, garage, petrol filling station or other building or structure provided under transport legislation. Interpretation of Class A     A.2    For the purposes of Class A, references to the construction or erection of any building or structure include references to the reconstruction or alteration of a building or structure where its design or external appearance would be materially affected. Class B Dock, pier, harbour, water transport, canal or inland navigation undertakings Permitted development     B.    Development on operational land by statutory undertakers or their lessees in respect of dock, pier, harbour, water transport, or canal or inland navigation undertakings, required— (a)  for the purposes of shipping, or (b)  in connection with the embarking, disembarking, loading, discharging or transport of passengers, livestock or goods at a dock, pier or harbour, or with the movement of traffic by canal or inland navigation or by any railway forming part of the undertaking. Development not permitted     B.1    Development is not permitted by Class B if it consists of or includes— (a)  the construction or erection of a hotel, or of a bridge or other building not required in connection with the handling of traffic, (b)  the construction or erection otherwise than wholly within the limits of a dock, pier or harbour of— (i)  an educational building, or (ii)  a car park, shop, restaurant, garage, petrol filling station or other building provided under transport legislation. Interpretation of Class B     B.2    For the purposes of Class B, references to the construction or erection of any building or structure include references to the reconstruction or alteration of a building or structure where its design or external appearance would be materially affected, and the reference to operational land includes land designated by an order made under section 14 or 16 of the Harbours Act 1964 HYPERLINK "http://www.opsi.gov.uk/si/si1995/" \l "tfnf035" [35] (orders for securing harbour efficiency etc., and orders conferring powers for improvement, construction etc. of harbours), and which has come into force, whether or not the order was subject to the provisions of the Statutory Orders (Special Procedure) Act 1945 HYPERLINK "http://www.opsi.gov.uk/si/si1995/" \l "tfnf036" [36]. Class C Works to inland waterways Permitted development     C.    The improvement, maintenance or repair of an inland waterway (other than a commercial waterway or cruising waterway) to which section 104 of the Transport Act 1968 HYPERLINK "http://www.opsi.gov.uk/si/si1995/" \l "tfnf037" [37] (classification of the Board's waterways) applies, and the repair or maintenance of a culvert, weir, lock, aqueduct, sluice, reservoir, let-off valve or other work used in connection with the control and operation of such a waterway. Class D Dredgings Permitted development     D.    The use of any land by statutory undertakers in respect of dock, pier, harbour, water transport, canal or inland navigation undertakings for the spreading of any dredged material. Class E Water or hydraulic power undertakings Permitted development     E.    Development for the purposes of their undertaking by statutory undertakers for the supply of water or hydraulic power consisting of— (a)  development not above ground level required in connection with the supply of water or for conserving, redistributing or augmenting water resources, or for the conveyance of water treatment sludge, (b)  development in, on or under any watercourse and required in connection with the improvement or maintenance of that watercourse, (c)  the provision of a building, plant, machinery or apparatus in, on, over or under land for the purpose of survey or investigation, (d)  the maintenance, improvement or repair of works for measuring the flow in any watercourse or channel, (e)  the installation in a water distribution system of a booster station, valve house, meter or switch-gear house, (f)  any works authorised by or required in connection with an order made under section 73 of the Water Resources Act 1991 HYPERLINK "http://www.opsi.gov.uk/si/si1995/" \l "tfnf038" [38] (power to make ordinary and emergency drought orders), (g)  any other development in, on, over or under operational land other than the provision of a building but including the extension or alteration of a building. Development not permitted     E.1    Development is not permitted by Class E if— (a)  in the case of any Class E(a) development, it would include the construction of a reservoir, (b)  in the case of any Class E(e) development involving the installation of a station or house exceeding 29 cubic metres in capacity, that installation is carried out at or above ground level or under a highway used by vehicular traffic, (c)  in the case of any Class E(g) development, it would consist of or include the extension or alteration of a building so that— (i)  its design or external appearance would be materially affected; (ii)  the height of the original building would be exceeded, or the cubic content of the original building would be exceeded by more than 25%, or (iii)  the floor space of the original building would be exceeded by more than 1,000 square metres, or (d)  in the case of any Class E(g) development, it would consist of the installation or erection of any plant or machinery exceeding 15 metres in height or the height of anything it replaces, whichever is the greater. Condition     E.2    Development is permitted by Class E(c) subject to the condition that, on completion of the survey or investigation, or at the expiration of six months from the commencement of the development, whichever is the sooner, all such operations shall cease and all such buildings, plant, machinery and apparatus shall be removed and the land restored as soon as reasonably practicable to its former condition (or to any other condition which may be agreed with the local planning authority). Class F Gas suppliers Permitted development     F.    Development by a public gas supplier required for the purposes of its undertaking consisting of— (a)  the laying underground of mains, pipes or other apparatus; (b)  the installation in a gas distribution system of apparatus for measuring, recording, controlling or varying the pressure, flow or volume of gas, and structures for housing such apparatus; (c)  the construction in any storage area or protective area specified in an order made under section 4 of the Gas Act 1965 HYPERLINK "http://www.opsi.gov.uk/si/si1995/" \l "tfnf039" [39] (storage authorisation orders), of boreholes, and the erection or construction in any such area of any plant or machinery required in connection with the construction of such boreholes; (d)  the placing and storage on land of pipes and other apparatus to be included in a main or pipe which is being or is about to be laid or constructed in pursuance of planning permission granted or deemed to be granted under Part III of the Act (control over development); (e)  the erection on operational land of the public gas supplier of a building solely for the protection of plant or machinery; (f)  any other development carried out in, on, over or under the operational land of the public gas supplier. Development not permitted     F.1    Development is not permitted by Class F if— (a)  in the case of any Class F(b) development involving the installation of a structure for housing apparatus exceeding 29 cubic metres in capacity, that installation would be carried out at or above ground level, or under a highway used by vehicular traffic, (b)  in the case of any Class F(c) development— (i)  the borehole is shown in an order approved by the Secretary of State for Trade and Industry for the purpose of section 4(6) of the Gas Act 1965; or (ii)  any plant or machinery would exceed 6 metres in height, or (c)  in the case of any Class F(e) development, the building would exceed 15 metres in height, or (d)  in the case of any Class F(f) development— (i)  it would consist of or include the erection of a building, or the reconstruction or alteration of a building where its design or external appearance would be materially affected; (ii)  it would involve the installation of plant or machinery exceeding 15 metres in height, or capable without the carrying out of additional works of being extended to a height exceeding 15 metres; or (iii)  it would consist of or include the replacement of any plant or machinery, by plant or machinery exceeding 15 metres in height or exceeding the height of the plant or machinery replaced, whichever is the greater. Conditions     F.2    Development is permitted by Class F subject to the following conditions— (a)  in the case of any Class F(a) development, not less than eight weeks before the beginning of operations to lay a notifiable pipe-line, the public gas supplier shall give notice in writing to the local planning authority of its intention to carry out that development, identifying the land under which the pipe-line is to be laid, (b)  in the case of any Class F(d) development, on completion of the laying or construction of the main or pipe, or at the expiry of a period of nine months from the beginning of the development, whichever is the sooner, any pipes or other apparatus still stored on the land shall be removed and the land restored as soon as reasonably practicable to its condition before the development took place (or to any other condition which may be agreed with the local planning authority), (c)  in the case of any Class F(e) development, approval of the details of the design and external appearance of the building shall be obtained, before the development is begun, from— (i)  in Greater London or a metropolitan county, the local planning authority, (ii)  in a National Park, outsi