{"entities":[{"entry-date":"2026-06-10","start-date":"1977-03-29","end-date":"","entity":11500231,"name":"Development for sewerage and sewage disposal","dataset":"permitted-development-right","typology":"category","reference":"XVII-1977","prefix":"permitted-development-right","organisation-entity":600001,"geometry":"","point":"","quality":"some","notes":"None","description":"Any development by or on behalf of a water authority (established under the Water Act 1973), or by a Development Corporation authorised under section 34 of the New Towns Act 1965(c) to exercise powers relating to sewerage or sewage disposal, being development not above ground level required in connection with the provision, improvement or maintenance of sewers.","documentation-url":"https://www.legislation.gov.uk/uksi/1977/289/contents/made","permitted-development-right-class":"XVII"},{"entry-date":"2026-06-10","start-date":"1977-03-29","end-date":"","entity":11500232,"name":"Development by statutory undertakers","dataset":"permitted-development-right","typology":"category","reference":"XVIII(C)-1977","prefix":"permitted-development-right","organisation-entity":600001,"geometry":"","point":"","quality":"some","notes":"None","description":"Water or hydraulic power undertakings. Development required for the purposes of the undertakings of any of the following descriptions, that is to say:- (i) the laying underground of mains, pipes, or other apparatus; (ii) the improvement, maintenance or repair of watercourses or land drainage works; (iii) the maintenance or repair of works for measuring the flow in any watercourse or channel or the improvement of any such works (otherwise than by the erection or installation, by way of addition or replacement, of any structures of the nature of buildings or of any plant or machinery); (iv) the installation in a water distribution system of booster stations, meter or switch gear houses, not exceeding(except where constructed underground elsewhere then under a highway) 29 cubic metres in capacity; (v) the erection, construction or placing of buildings, plant or apparatus on land, or the carrying out of engineering operations, in, on, over or under land, for the purpose of surveys or investigations. (vi) any other development carried out in, on, over or under the operational land of the undertaking except:- (a) the erection, or the reconstruction or alteration so as materially to affect the design or external appearance thereof, of buildings; (b) the installation or erection, by way of addition or replacement, of any plant or machinery, exceeding 15 metres in height or the height of the plant, machinery, structure or erection so replaced, whichever is the greater.","documentation-url":"https://www.legislation.gov.uk/uksi/1977/289/contents/made","permitted-development-right-part":"(C)","permitted-development-right-class":"XVIII"},{"entry-date":"2026-06-10","start-date":"1977-03-29","end-date":"","entity":11500233,"name":"Development by statutory undertakers","dataset":"permitted-development-right","typology":"category","reference":"XVIII(D)-1977","prefix":"permitted-development-right","organisation-entity":600001,"geometry":"","point":"","quality":"some","notes":"None","description":"Gas undertakings. Development required for the purposes of the undertakings of any of the following descriptions, that is to say:- (i) the laying underground of mains, pipes, or other apparatus; (ii) 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 not exceeding (except where constructed underground elsewhere than under a highway) 29 cubic metres in capacity; (iii) the construction, in any storage area or protective area specified in an order made under section 4 of the Gas Act 1965(a) of boreholes, other than those shown in the order as approved by the Secretary of State for Energy for the purpose of subsection (6) of the said section 4, and the erection or construction, in any such area, or any plant or machinery, not exceeding 6 metres in height which is required in connection with the construction of any such borehole; (iv) the placing and storage on land of pipe and other apparatus needed for inclusion in a main or pipe which is being or is about to be laid or constructed in pursuance of a planning permission granted or deemed to be granted under Part III of the Act; (v) the erection on operational land of the undertaking, solely for the protection of plant or machinery, or structures or erections of the nature of plant or machinery, of buildings not exceeding 15 metres in height; (vi) any other development carried out in, on, over or under operational land of the undertaking except:- (a) the erection, or the reconstruction or alteration so as materially to affect the design or external appearance thereof, of buildings; (b) the installation of any plant or machinery, or structures or erections of the nature of plant or machinery, exceeding 15 metres in height, or capable, without addition, of being extended to a height exceeding 15 metres; (c) the replacement of any plant or machinery, or structures or erections of the nature of plant or machinery, to a height exceeding 15 metres or the height of the plant, machinery, structure or erection so replaced, whichever is the greater.","documentation-url":"https://www.legislation.gov.uk/uksi/1977/289/contents/made","permitted-development-right-part":"(D)","permitted-development-right-class":"XVIII"},{"entry-date":"2026-06-10","start-date":"1977-03-29","end-date":"","entity":11500234,"name":"Development by statutory undertakers","dataset":"permitted-development-right","typology":"category","reference":"XVIII(E)-1977","prefix":"permitted-development-right","organisation-entity":600001,"geometry":"","point":"","quality":"some","notes":"None","description":"Electricity undertakings. Development required for the purpose of the undertaking of any of the following descriptions, that is to say:- (i) the laying underground of pipes, cables or any other apparatus, and the construction of such shafts and tunnels and may be necessary in connection therewith; (ii) the installation in an electric line of feeder or service pillars, or transforming or switching stations or chambers not exceeding (except when constructed underground elsewhere than under a highway) 29 cubic metres in capacity; (iii) the installation of service lines to individual consumers from an electric line; (iv) the extension or alteration of buildings on operational land as long as the height of the original building is not exceeded and the cubic content of the original building (as ascertained by external measurement) is not exceeded by more than one-tenth nor the aggregate floor space thereof by more than 500 square metres; (v) the sinking of any boreholes for the purpose of ascertaining the nature of the sub-soil, and the installation of any plant or machinery, or structures or erections of the nature of plant or machinery, as may be necessary in connection therewith; (vi) the erection on operational land of the undertaking, solely for the protection of plant or machinery, of buildings not exceeding 15 metres in height; (vii) any other development carried out on, in or under the operational land of the undertaking except:- (a) the erection, or the reconstruction so as materially to affect the design or external appearance thereof, of buildings; or (b) the installation or erection, by way of addition or replacement, of any plant or machinery, or structures or erections of the nature of plant or machinery, exceeding 15 metres in height or the height of the plant, machinery, structure or erection so replaced, whichever is the greater.","documentation-url":"https://www.legislation.gov.uk/uksi/1977/289/contents/made","permitted-development-right-part":"(E)","permitted-development-right-class":"XVIII"},{"entry-date":"2026-06-10","start-date":"1977-03-29","end-date":"","entity":11500235,"name":"Development by statutory undertakers","dataset":"permitted-development-right","typology":"category","reference":"XVIII(I)-1977","prefix":"permitted-development-right","organisation-entity":600001,"geometry":"","point":"","quality":"some","notes":"None","description":"Post Office. Development required for the purposes of the undertaking of any of the following descriptions, that is to say:- (i)the installation of public call offices (telephone kiosks(, posting boxes or self-service postal machines; (ii) the placing of any telegraphic line as defined in the Telegraph Act 1878(a) in the exercise of an easement or other right compulsorily acquired under section 55 of the Post Office Act 1969(b); (iii) the use of land in case of emergency for the stationing and operation of movable apparatus required for the replacement of telephone exchanges, telephone repeater stations and radio stations and generators which have become unserviceable, for a period not exceeding six months; (iv) any other development carried out in, on, over or under the operational land of the undertaking except:- (a) the erection, or the reconstruction or alteration so as materially to affect the design or external appearance thereof, of buildings; (b) the installation or erection, by way of addition or replacement, of any plant or machinery, or structures or erections of the nature of plant or machinery, exceeding 15 metres in height or the height of the plant, machinery, structure or erection so replaced, whichever is the greater.","documentation-url":"https://www.legislation.gov.uk/uksi/1977/289/contents/made","permitted-development-right-part":"(I)","permitted-development-right-class":"XVIII"},{"entry-date":"2026-06-10","start-date":"1977-03-29","end-date":"","entity":11500236,"name":"Use as a caravan site","dataset":"permitted-development-right","typology":"category","reference":"XXII1-1977","prefix":"permitted-development-right","organisation-entity":600001,"geometry":"","point":"","quality":"some","notes":"None","description":"The use of land, other than a building, as a caravan site in any of the circumstances specified in paragraphs 2 to 9 (inclusive( of Schedule 1 to the Caravan Sites and Control of Development Act 1960(a) or in the circumstances (other than those relating to winter quarters) specified in paragraph 10 of the said Schedule.","documentation-url":"https://www.legislation.gov.uk/uksi/1977/289/contents/made","permitted-development-right-part":"1","permitted-development-right-class":"XXII"}],"links":{"first":"http://www.staging.planning.data.gov.uk/entity.json?dataset=permitted-development-right&limit=10","last":"http://www.staging.planning.data.gov.uk/entity.json?dataset=permitted-development-right&offset=230&limit=10","prev":"http://www.staging.planning.data.gov.uk/entity.json?dataset=permitted-development-right&offset=220&limit=10"},"count":236}