{
  "url": "https://openlegislation.uk/town-and-country-planning-general-permitted-development-order-1995/schedule-2/part-1/paragraph-B.1",
  "json_url": "https://openlegislation.uk/town-and-country-planning-general-permitted-development-order-1995/schedule-2/part-1/paragraph-B.1.json",
  "legislation": "uksi/1995/418",
  "legislation_title": "The Town and Country Planning (General Permitted Development) Order 1995",
  "legislation_url": "https://openlegislation.uk/town-and-country-planning-general-permitted-development-order-1995",
  "path": "schedule/2/part/1/paragraph/B.1",
  "kind": "paragraph",
  "number": "B.1",
  "heading": "Development not permitted",
  "text": "Development is not permitted by Class B if—\n(a) any part of the dwellinghouse would, as a result of the works, exceed the height of the highest part of the existing roof;\n(b) any part of the dwellinghouse would, as a result of the works, extend beyond the plane of any existing roof slope which forms the principal elevation of the dwellinghouse;\n(c) any part of the dwellinghouse would, as a result of the works, extend beyond the plane of any existing roof slope which—\n(i) is comprised in a side elevation of the existing dwellinghouse; and\n(ii) is within 10.5 metres from a highway opposite the side elevation of the dwellinghouse;\n(d) the cubic content of the resulting roof space would exceed the cubic content of the original roof space by more than—\n(i) 40 cubic metres in the case of a terrace house; or\n(ii) 50 cubic metres in any other case;\n(e) other than in the case of a hip to gable enlargement, any part of the enlargement would be less than 20 centimetres from the eaves of the existing roof;\n(f) it would consist of or include—\n(i) the construction or provision of a veranda or raised platform ;\n(ii) the construction or provision of a balcony which—\n(aa) contains a platform of any description;\n(bb) projects from the part of the exterior of the dwellinghouse to which it is affixed by more than 30 centimetres; or\n(cc) if projected downwards in a vertical line to ground level, is within 10.5 metres of any boundary of the curtilage of the dwellinghouse opposite the relevant side elevation; or\n(iii) the construction or provision of a roof terrace, whether or not it would incorporate associated railings, fencing or other means of enclosure; or\n(g) the dwellinghouse is on article 1(5) land or within a World Heritage Site.",
  "extent": null,
  "status": null,
  "version": "current",
  "annotations": [
    {
      "type": "F",
      "label": "F1",
      "text": "Order revoked (E.) (15.4.2015) by The Town and Country Planning (General Permitted Development) (England) Order 2015 (S.I. 2015/596), art. 1(1), Sch. 4 para. 1 (with arts. 1(2), 8(2)(3))"
    },
    {
      "type": "F",
      "label": "F2",
      "text": "Sch. 2 Pt. 1 substituted (W.) (30.9.2013) by The Town and Country Planning (General Permitted Development) (Amendment) (Wales) Order 2013 (S.I. 2013/1776), arts. 1(1), 2(3), Sch."
    }
  ],
  "outstanding_effects": [],
  "provenance": {
    "source": "legislation.gov.uk",
    "source_url": "https://www.legislation.gov.uk/uksi/1995/418/schedule/2/part/1/paragraph/B.1",
    "retrieved_at": "2026-10-29T13:15:58.850730+00:00"
  },
  "licence": "Open Government Licence v3.0",
  "licence_url": "https://www.nationalarchives.gov.uk/doc/open-government-licence/version/3/",
  "attribution": "Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives."
}