{
  "url": "https://openlegislation.uk/building-etc-amendment-wales-regulations-2026/regulation-3",
  "json_url": "https://openlegislation.uk/building-etc-amendment-wales-regulations-2026/regulation-3.json",
  "legislation": "wsi/2026/60",
  "legislation_title": "The Building etc. (Amendment) (Wales) Regulations 2026",
  "legislation_url": "https://openlegislation.uk/building-etc-amendment-wales-regulations-2026",
  "path": "regulation/3",
  "kind": "regulation",
  "number": "3",
  "heading": "Amendments relating to energy efficiency requirements",
  "text": "(1) In regulation 2(1) (interpretation), in the definition of “fixed building services”—\n(a) omit the “or” after paragraph (b);\n(b) after paragraph (b), insert—\n“(ba) fixed lifts, escalators or moving walkways in new buildings that are not in an individual dwelling; or”.\n(2) Omit regulation 25A (consideration of high-efficiency alternative systems for new buildings) and regulation 25B (nearly zero-energy requirements for new buildings).\n(3) In regulation 25D (energy efficiency rating)—\n(a) for the heading substitute “Energy use intensity rating”;\n(b) for “Energy efficiency ratings” substitute “Energy use intensity ratings”.\n(4) In regulation 26C (minimum energy efficiency rating)—\n(a) for the heading substitute “Minimum energy use intensity rating”;\n(b) for “energy efficiency rating” substitute “energy use intensity rating”.\n(5) In regulation 27C (energy efficiency rating calculations)—\n(a) for the heading substitute “Minimum energy use intensity rating calculations”;\n(b) in paragraphs (2)(a) and (3)(a)(i) and (ii), for “energy efficiency rating” substitute “energy use intensity rating”.\n(6) In Schedule 1 (requirements), in Part L (conservation of fuel and power)—\n(a) in entry L1—\n(i) in the heading, after “power” insert “and the minimisation of greenhouse gas emissions”;\n(ii) in the words before paragraph (a), after “power” insert “and the minimisation of greenhouse gas emissions”;\n(iii) after paragraph (b)(i), insert—\n“(ai) minimise greenhouse gas emissions;”;\n(iv) after paragraph (b)(iii), insert—\n“(c) for the purposes of this Part—\n“greenhouse gas” has the meaning given by section 37(1) of the Environment (Wales) Act 2016.”\n(b) after entry L2 insert—\n“\nOn-site installation of renewable electricity generation\nL2A.—(1) When a dwelling or a building containing a dwelling is erected, a system for renewable electricity generation must be installed on-site.\nRequirement L2A does not apply to—\n(2) The system installed under sub-paragraph (1) must be—\n(a) designed to enable any electricity generated by it to be available for the use of residents of the buildings, and\n(a) a building which is a relevant building within the meaning of regulation 7(4); or\n(b) capable of generating a reasonable output taking into account the design of the buildings and its surroundings.\n(b) a building on which it is not possible to install a system for renewable electricity generation capable of generating a reasonable output on account of its design or surroundings.\n”",
  "extent": null,
  "status": null,
  "version": "current",
  "annotations": [
    {
      "type": "footnote",
      "label": "f1",
      "text": "2016 anaw 3."
    }
  ],
  "outstanding_effects": [],
  "provenance": {
    "source": "legislation.gov.uk",
    "source_url": "https://www.legislation.gov.uk/wsi/2026/60/regulation/3",
    "retrieved_at": "2026-10-28T22:55:24.397922+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."
}