{
  "url": "https://openlegislation.uk/town-and-country-planning-general-permitted-development-order-1995/schedule-2/part-34/chapter-2/paragraph-B.1",
  "json_url": "https://openlegislation.uk/town-and-country-planning-general-permitted-development-order-1995/schedule-2/part-34/chapter-2/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/34/chapter/2/paragraph/B.1",
  "kind": "paragraph",
  "number": "B.1",
  "heading": "Development not permitted",
  "text": "Development is not permitted by Class B if—\n(a) the building as extended or altered is to be used for purposes other than those of—\n(i) the Crown; or\n(ii) the provision of employee facilities;\n(b) the height of the building as extended or altered would exceed the height of the original building;\n(c) the cubic content of the original building would be exceeded by more than—\n(i) 10%, in respect of development on any article 1(5) land; or\n(ii) 25%, in any other case;\n(d) the floor space of the original building would be exceeded by more than—\n(i) 500 square metres in respect of development on any article 1(5) land; or\n(ii) 1,000 square metres in any other case;\n(e) the external appearance of the original building would be materially affected;\n(f) any part of the building as extended or altered would be within 5 metres of any boundary of the curtilage of the original building; or\n(g) the development would lead to a reduction in the space available for the parking or turning of vehicles.",
  "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 Pts. 34-38 inserted (W.) (7.6.2006) byThe Town and Country Planning (Miscellaneous Amendments and Modifications relating to Crown Land) (Wales) Order 2006 (S.I. 2006/1386), arts. 1(1), 3(6)(a), Sch. Pt. 2"
    }
  ],
  "outstanding_effects": [],
  "provenance": {
    "source": "legislation.gov.uk",
    "source_url": "https://www.legislation.gov.uk/uksi/1995/418/schedule/2/part/34/chapter/2/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."
}