{
  "url": "https://openlegislation.uk/building-regulations-2010/regulation-25",
  "json_url": "https://openlegislation.uk/building-regulations-2010/regulation-25.json",
  "legislation": "uksi/2010/2214",
  "legislation_title": "The Building Regulations 2010",
  "legislation_url": "https://openlegislation.uk/building-regulations-2010",
  "path": "regulation/25",
  "kind": "regulation",
  "number": "25",
  "heading": "Minimum energy performance requirements for new buildings",
  "text": "Minimum energy performance requirements shall be approved by the Secretary of State, calculated and expressed in accordance with the methodology approved pursuant to regulation 24, for—\n(a) new buildings (which shall include new dwellings), in the form of target CO2 emission rates; ...\n(b) new dwellings, in the form of target fabric energy efficiency rates ; and\n(c) new buildings in the form of target primary energy rates.",
  "extent": "E",
  "status": null,
  "version": "current",
  "annotations": [
    {
      "type": "F",
      "label": "F1",
      "text": "Reg. 25 substituted (E., but only in relation to excepted energy buildings in W.) (6.4.2014) by The Building Regulations &c. (Amendment) (No.2) Regulations 2013 (S.I. 2013/1959), regs. 1(5), 4 (with reg. 1(3)) [Editorial note: This amendment no longer applies at all in relation to W. from 8.6.2018]"
    },
    {
      "type": "F",
      "label": "F2",
      "text": "Words in reg. 25 inserted (E., but only in relation to excepted energy buildings in W.) (6.4.2016) by The Building Regulations &c. (Amendment) Regulations 2016 (S.I. 2016/285), regs. 1(4), 2(8) (with reg. 1(3)) [Editorial note: This amendment no longer applies at all in relation to W. from 8.6.2018]"
    },
    {
      "type": "F",
      "label": "F3",
      "text": "Word in reg. 25(a) omitted (E.) (15.6.2022) by virtue of The Building Regulations etc. (Amendment) (England) Regulations 2021 (S.I. 2021/1391), regs. 1(1), 5(a) (with regs. 1(2), 17) (as amended (5.6.2023) by S.I. 2023/520, regs. 1(2), 3)"
    },
    {
      "type": "F",
      "label": "F4",
      "text": "Reg. 25(c) and word inserted (E.) (15.6.2022) by The Building Regulations etc. (Amendment) (England) Regulations 2021 (S.I. 2021/1391), regs. 1(1), 5(b) (with regs. 1(2), 17) (as amended (5.6.2023) by S.I. 2023/520, regs. 1(2), 3)"
    },
    {
      "type": "E",
      "label": "E1",
      "text": "This version of this provision applies to England only; a separate version has been created for Wales only"
    }
  ],
  "outstanding_effects": [],
  "provenance": {
    "source": "legislation.gov.uk",
    "source_url": "https://www.legislation.gov.uk/uksi/2010/2214/regulation/25",
    "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."
}