{
  "url": "https://openlegislation.uk/town-and-country-planning-general-development-order-1988/schedule-2/paragraph-J.1",
  "json_url": "https://openlegislation.uk/town-and-country-planning-general-development-order-1988/schedule-2/paragraph-J.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/paragraph/J.1",
  "kind": "paragraph",
  "number": "J.1",
  "heading": "Development not permitted",
  "text": "Development is not permitted by Class J if—\n(a) 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, or\n(b) it would consist of or include the installation or erection by way of addition or replacement of any plant or machinery which would exceed 15 metres in height or the height of any existing plant or machinery, whichever is the greater.",
  "extent": null,
  "status": null,
  "version": "current",
  "annotations": [],
  "outstanding_effects": [
    {
      "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/paragraph/J.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."
}