{
  "url": "https://openlegislation.uk/building-regulations-northern-ireland-2000/regulation-F3",
  "json_url": "https://openlegislation.uk/building-regulations-northern-ireland-2000/regulation-F3.json",
  "legislation": "nisr/2000/389",
  "legislation_title": "Building Regulations (Northern Ireland) 2000",
  "legislation_url": "https://openlegislation.uk/building-regulations-northern-ireland-2000",
  "path": "regulation/F3",
  "kind": "regulation",
  "number": "F3",
  "heading": "Space heating, hot water supply and artificial lighting systems",
  "text": "(1) Reasonable provisions shall be made in any building or, as the case may be, in any dwelling for the purposes of the conservation of fuel and power to—\n(a) regulate the output of a space heating system; and\n(b) limit the temperature of stored hot water in a hot water supply system,\nby means of automatic controls.\n(2) Artificial lighting systems used in any building or part of a building shall be so designed and constructed as to use no more fuel and power than is reasonable to provide adequate lighting according to the purposes for which the building or part is used and for this purpose reasonable provisions shall be made for controlling such systems.",
  "extent": "N.I.",
  "status": "prospective",
  "version": "current",
  "annotations": [],
  "outstanding_effects": [
    {
      "type": "coming into force",
      "affecting": "nisr/2000/389",
      "affecting_title": "Building Regulations (Northern Ireland) 2000"
    }
  ],
  "provenance": {
    "source": "legislation.gov.uk",
    "source_url": "https://www.legislation.gov.uk/nisr/2000/389/regulation/F3",
    "retrieved_at": "2026-10-29T02:13:38.985369+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."
}