{
  "url": "https://openlegislation.uk/building-regulations-northern-ireland-2012/regulation-22",
  "json_url": "https://openlegislation.uk/building-regulations-northern-ireland-2012/regulation-22.json",
  "legislation": "nisr/2012/192",
  "legislation_title": "The Building Regulations (Northern Ireland) 2012",
  "legislation_url": "https://openlegislation.uk/building-regulations-northern-ireland-2012",
  "path": "regulation/22",
  "kind": "regulation",
  "number": "22",
  "heading": "Interpretation",
  "text": "In this Part—\n“External wall” of a building includes reference to—\n(a)anything located within any space forming part of the wall;\n(b)any decoration or other finish applied to any external (but not internal) surface forming part of the wall;\n(c)any windows and doors in the wall; and\n(d)any part of a roof pitched at an angle of more than 70° to the horizontal if that part of the roof adjoins a space within the building to which persons have access, but not access only for the purpose of carrying out repairs or maintenance.\n“Harmful substances” includes fumes and vapours;\n“Relevant work” means—\n(a)the erection of a building;\n(b)the structural alteration or extension of a building;\n(c)the provision of any service or fitting; or\n(d)the backfilling of any excavation carried out in connection with (a), (b) or (c); and\n“Specified attachment” means—\n(a)a balcony attached to an external wall;\n(b)a device for reducing heat gain within a building by deflecting sunlight which is attached to an external wall; or\n(c)a solar panel attached to an external wall.",
  "extent": null,
  "status": null,
  "version": "current",
  "annotations": [
    {
      "type": "F",
      "label": "F1",
      "text": "Reg. 22 substituted (1.4.2022) by The Building (Amendment) Regulations (Northern Ireland) 2022 (S.R. 2022/71), regs. 1, 6(1) (with reg. 3)"
    }
  ],
  "outstanding_effects": [],
  "provenance": {
    "source": "legislation.gov.uk",
    "source_url": "https://www.legislation.gov.uk/nisr/2012/192/regulation/22",
    "retrieved_at": "2026-10-29T01:15:53.727465+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."
}