{
  "url": "https://openlegislation.uk/building-amendment-wales-regulations-2022/regulation-16",
  "json_url": "https://openlegislation.uk/building-amendment-wales-regulations-2022/regulation-16.json",
  "legislation": "wsi/2022/564",
  "legislation_title": "The Building (Amendment) (Wales) Regulations 2022",
  "legislation_url": "https://openlegislation.uk/building-amendment-wales-regulations-2022",
  "path": "regulation/16",
  "kind": "regulation",
  "number": "16",
  "heading": "Amendment of Schedule 1 to the Building Regulations",
  "text": "In Schedule 1 (requirements)—\n(a) in Part L, after entry L1 insert—\n\"On-site generation of electricity\nL2. Where a system for on-site electricity generation is installed—\n(a) reasonable provision must be made to ensure that—\n(i) the system and its electrical output are appropriately sized for the site and available infrastructure;\n(ii) the system has effective controls; and\n(b) it must be commissioned by testing and adjusting as necessary to ensure that it produces the maximum electricity that is reasonable in the circumstances.\"\nRequirement L2 applies only to dwellings.\n(b) after Part N of Schedule 1 insert—\n\"PART O OVERHEATING\nOverheating Mitigation\nO1.—(1) Reasonable provision must be made to—\n(a) limit unwanted solar gains in summer;\n(b) provide an adequate means to remove heat from the indoor environment.\n(2) In meeting the obligations in sub-paragraph (1)—\n(a) account must be taken of the safety of any occupant, and their reasonable enjoyment of the building; and\n(b) mechanical cooling may only be used where insufficient heat is capable of being removed from the indoor environment without it.\"\nRequirement O1 applies only to the erection of the following buildings—\n(a) a dwelling;\n(b) an institution; or\n(c) any other building containing one or more rooms for residential purposes (other than a room in a hotel).",
  "extent": "E+W",
  "status": null,
  "version": "current",
  "annotations": [
    {
      "type": "I",
      "label": "I1",
      "text": "Reg. 16 in force at 23.11.2022, see reg. 1(3)"
    }
  ],
  "outstanding_effects": [],
  "provenance": {
    "source": "legislation.gov.uk",
    "source_url": "https://www.legislation.gov.uk/wsi/2022/564/regulation/16",
    "retrieved_at": "2026-10-28T23:06:58.518967+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."
}