{
  "url": "https://openlegislation.uk/planning-and-infrastructure-act-2025/section-100",
  "json_url": "https://openlegislation.uk/planning-and-infrastructure-act-2025/section-100.json",
  "legislation": "ukpga/2025/34",
  "legislation_title": "Planning and Infrastructure Act 2025",
  "legislation_url": "https://openlegislation.uk/planning-and-infrastructure-act-2025",
  "path": "section/100",
  "kind": "section",
  "number": "100",
  "heading": "Areas for development and remit",
  "text": "(1) The New Towns Act 1981 is amended as set out in subsections (2) and (3).\n(2) In section 1 (designation of areas), for subsection (3) substitute—\n“(3) An order under this section—\n(a) may include in the area designated as the site of the proposed new town any existing town or other centre of population;\n(b) may, in relation to a proposed new town in England—\n(i) designate separate parcels of land as the area for the site of the proposed new town;\n(ii) designate an area of land which is adjacent to an existing town or other centre of population so that the area is developed as an urban extension rather than as a wholly new town;\nand references in this Act to a new town or proposed new town are to be construed accordingly.”\n(3) In section 3 (establishment of development corporations for new towns), after subsection (1) insert—\n“(1A) A single development corporation may be established for the purposes of the development of more than one new town in England if the Secretary of State considers that having a single development corporation would facilitate efficient development.”\n(4) The Local Government, Planning and Land Act 1980 is amended as set out in subsections (5) and (6).\n(5) In section 134 (urban development areas), after subsection (1B) (as inserted by section 171(2) of the Levelling-up and Regeneration Act 2023) insert—\n“(1C) An area of land designated as an urban development area in England must include, but need not wholly consist of, an area in an existing town or centre of population.”\n(6) In section 171 (interpretation of Part 16)—\n(a) the existing text becomes subsection (1);\n(b) after that subsection insert—\n“(2) In this Part as it applies in relation to England, references to the regeneration of an area are to be read as references to the regeneration or development of the area.”\n(7) In section 201 of the Localism Act 2011 (objects and powers of Mayoral development corporations), in subsection (1) after “regeneration” insert “or development”.",
  "extent": "E+W",
  "status": null,
  "version": "current",
  "annotations": [
    {
      "type": "I",
      "label": "I1",
      "text": "S. 100 not in force at Royal Assent, see s. 118(4)"
    },
    {
      "type": "I",
      "label": "I2",
      "text": "S. 100 in force at 18.2.2026 by S.I. 2025/1370, reg. 4(1)(d)"
    }
  ],
  "outstanding_effects": [],
  "provenance": {
    "source": "legislation.gov.uk",
    "source_url": "https://www.legislation.gov.uk/ukpga/2025/34/section/100",
    "retrieved_at": "2026-11-04T03:49:26.153791+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."
}