{
  "url": "https://openlegislation.uk/town-and-country-planning-general-development-order-1988/schedule-2/part-15/chapter-1/paragraph-A.1",
  "json_url": "https://openlegislation.uk/town-and-country-planning-general-development-order-1988/schedule-2/part-15/chapter-1/paragraph-A.1.json",
  "legislation": "uksi/1988/1813",
  "legislation_title": "The Town and Country Planning General Development Order 1988",
  "legislation_url": "https://openlegislation.uk/town-and-country-planning-general-development-order-1988",
  "path": "schedule/2/part/15/chapter/1/paragraph/A.1",
  "kind": "paragraph",
  "number": "A.1",
  "heading": "Development not permitted",
  "text": "Development is not permitted by Class A if—\n(a) in the case of any Class A(b) development, it would include the construction of a reservoir,\n(b) in the case of any Class A(f) development involving the installation of a station or house 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,\n(c) in the case of any Class A(h) development, it would consist of or include the extension or alteration of a building so that—\n(i) its design or external appearance would be materially affected, or\n(ii) the height of the original building would be exceeded, or the content of the original building would be exceeded by more than 25%, or\n(iii) the floorspace of the original building would be exceeded by more than 1,000 square metres, or\n(d) in the case of any Class A(h) 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.",
  "extent": null,
  "status": null,
  "version": "current",
  "annotations": [],
  "outstanding_effects": [
    {
      "type": "amended",
      "affecting": "uksi/1994/2595",
      "affecting_title": "The Town and Country Planning General Development (Amendment) (No. 2) Order 1994"
    },
    {
      "type": "substituted",
      "affecting": "uksi/1994/2595",
      "affecting_title": "The Town and Country Planning General Development (Amendment) (No. 2) Order 1994"
    },
    {
      "type": "revoked",
      "affecting": "uksi/1995/418",
      "affecting_title": "The Town and Country Planning (General Permitted Development) Order 1995"
    },
    {
      "type": "amended",
      "affecting": "uksi/1992/1493",
      "affecting_title": "The Town and Country Planning General Development (Amendment) (No. 4) Order 1992"
    },
    {
      "type": "amended",
      "affecting": "uksi/1992/1493",
      "affecting_title": "The Town and Country Planning General Development (Amendment) (No. 4) Order 1992"
    },
    {
      "type": "amended",
      "affecting": "uksi/1991/1536",
      "affecting_title": "The Town and Country Planning General Development (Amendment) Order 1991"
    },
    {
      "type": "modified",
      "affecting": "ukla/1992/5",
      "affecting_title": "Avon Weir Act 1992"
    },
    {
      "type": "modified",
      "affecting": "ukla/1992/5",
      "affecting_title": "Avon Weir Act 1992"
    },
    {
      "type": "modified",
      "affecting": "ukla/1992/5",
      "affecting_title": "Avon Weir Act 1992"
    },
    {
      "type": "added",
      "affecting": "uksi/1995/298",
      "affecting_title": "The Town and Country Planning General Development (Amendment) Order 1995"
    },
    {
      "type": "added",
      "affecting": "uksi/1995/298",
      "affecting_title": "The Town and Country Planning General Development (Amendment) Order 1995"
    },
    {
      "type": "substituted",
      "affecting": "uksi/1992/2450",
      "affecting_title": "The Town and Country Planning General Development (Amendment) (No. 6) Order 1992"
    },
    {
      "type": "revoked",
      "affecting": "uksi/1992/2450",
      "affecting_title": "The Town and Country Planning General Development (Amendment) (No. 6) Order 1992"
    },
    {
      "type": "substituted",
      "affecting": "uksi/1992/2450",
      "affecting_title": "The Town and Country Planning General Development (Amendment) (No. 6) Order 1992"
    },
    {
      "type": "mod",
      "affecting": "uksi/1994/678",
      "affecting_title": "The Town and Country Planning General Development (Amendment) Order 1994"
    },
    {
      "type": "amended",
      "affecting": "uksi/1989/603",
      "affecting_title": "The Town and Country Planning General Development (Amendment) Order 1989"
    },
    {
      "type": "amended",
      "affecting": "uksi/1989/1590",
      "affecting_title": "The Town and Country Planning General Development (Amendment) (No. 2) Order 1989"
    },
    {
      "type": "added",
      "affecting": "uksi/1992/1280",
      "affecting_title": "The Town and Country Planning General Development (Amendment) (No. 3) Order 1992"
    },
    {
      "type": "amended",
      "affecting": "uksi/1990/457",
      "affecting_title": "The Town and Country Planning General Development (Amendment) Order 1990"
    },
    {
      "type": "added",
      "affecting": "uksi/1992/609",
      "affecting_title": "The Town and Country Planning General Development (Amendment) Order 1992"
    },
    {
      "type": "modified",
      "affecting": "ukla/1992/18",
      "affecting_title": "Greater Manchester (Light Rapid Transit System) Act 1992"
    },
    {
      "type": "amended",
      "affecting": "uksi/1990/2032",
      "affecting_title": "The Town and Country Planning General Development (Amendment) (No. 2) Order 1990"
    },
    {
      "type": "amended",
      "affecting": "uksi/1989/1968",
      "affecting_title": "The Water (Consequential Amendments) Regulations 1989"
    }
  ],
  "provenance": {
    "source": "legislation.gov.uk",
    "source_url": "https://www.legislation.gov.uk/uksi/1988/1813/schedule/2/part/15/chapter/1/paragraph/A.1",
    "retrieved_at": "2026-10-29T15:56:26.565388+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."
}