{
  "url": "https://openlegislation.uk/building-regulations-northern-ireland-2012/regulation-41",
  "json_url": "https://openlegislation.uk/building-regulations-northern-ireland-2012/regulation-41.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/41",
  "kind": "regulation",
  "number": "41",
  "heading": "Consequential improvements",
  "text": "Where it is proposed to execute building work in relation to any existing building with a total useful floor area greater than 1000 m2 and that work consists of or includes—\n(a) an extension;\n(b) the initial provision of any fixed building service; or\n(c) an increase in the capacity of any fixed building service,\nconsequential improvements to the existing building shall be carried out to ensure that the building complies with the requirements of regulation 39 so far as this is technically, functionally and economically feasible.",
  "extent": null,
  "status": null,
  "version": "current",
  "annotations": [],
  "outstanding_effects": [],
  "provenance": {
    "source": "legislation.gov.uk",
    "source_url": "https://www.legislation.gov.uk/nisr/2012/192/regulation/41",
    "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."
}