{
  "url": "https://openlegislation.uk/building-regulations-2010/regulation-25D",
  "json_url": "https://openlegislation.uk/building-regulations-2010/regulation-25D.json",
  "legislation": "uksi/2010/2214",
  "legislation_title": "The Building Regulations 2010",
  "legislation_url": "https://openlegislation.uk/building-regulations-2010",
  "path": "regulation/25D",
  "kind": "regulation",
  "number": "25D",
  "heading": "Energy efficiency rating",
  "text": "Energy efficiency ratings must be approved by the Welsh Ministers, applying the methodology of calculation and expression of the energy performance of buildings approved pursuant to regulation 24 for new buildings.",
  "extent": null,
  "status": null,
  "version": "current",
  "annotations": [
    {
      "type": "F",
      "label": "F1",
      "text": "Reg. 25D inserted (W.) (23.11.2022) by The Building (Amendment) (Wales) Regulations 2022 (S.I. 2022/564), regs. 1(3), 7 (with reg. 21)"
    }
  ],
  "outstanding_effects": [
    {
      "type": "substituted",
      "affecting": "wsi/2026/60",
      "affecting_title": "The Building etc. (Amendment) (Wales) Regulations 2026"
    },
    {
      "type": "words substituted",
      "affecting": "wsi/2026/60",
      "affecting_title": "The Building etc. (Amendment) (Wales) Regulations 2026"
    }
  ],
  "provenance": {
    "source": "legislation.gov.uk",
    "source_url": "https://www.legislation.gov.uk/uksi/2010/2214/regulation/25D",
    "retrieved_at": "2026-10-29T02:31:48.980832+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."
}