{
  "url": "https://openlegislation.uk/building-higher-risk-buildings-procedures-wales-regulations-2025/regulation-15",
  "json_url": "https://openlegislation.uk/building-higher-risk-buildings-procedures-wales-regulations-2025/regulation-15.json",
  "legislation": "wsi/2025/1321",
  "legislation_title": "The Building (Higher-Risk Buildings Procedures) (Wales) Regulations 2025",
  "legislation_url": "https://openlegislation.uk/building-higher-risk-buildings-procedures-wales-regulations-2025",
  "path": "regulation/15",
  "kind": "regulation",
  "number": "15",
  "heading": "Building control approval applications for work to existing HRB: decisions",
  "text": "(1) The building control authority must grant the building control approval sought in a building control approval application for work to existing HRB unless—\n(a) the building control authority does not agree with the client’s assessment in regulation 12(1)(e)(viii)(bb);\n(b) the building control authority is of the opinion that oversight will be required at a different point, be that earlier or later than the point described in the application;\n(c) the application or any document that accompanied the application (or is provided under regulation 12(5))—\n(i) does not comply with the requirements of regulation 12;\n(ii) is not sufficiently detailed in any respect to allow the building control authority to determine whether the work would contravene any applicable requirement of the building regulations;\n(iii) shows that the proposed work would contravene any applicable requirements of the building regulations;\n(iv) shows the strategies, policies or procedures in relation to the work (including in relation to controlled changes, mandatory occurrence reporting, competence of persons or sharing of information and co-operation) would contravene, or would be likely to contravene, the requirements of—\n(aa) regulations 18 to 21 and 27 to 29 (changes to documents or persons);\n(bb) regulations 31, 37 and 38 (golden thread etc.);\n(cc) regulations 32 to 36 (mandatory occurrence reporting);\n(dd) Part 2B (dutyholders and competence) of the 2010 Regulations;\n(d) when requested pursuant to regulation 12(5), the applicant failed to provide the document requested.\n(2) If one or more of the reasons in paragraph (1) applies, the building control authority may—\n(a) reject the building control approval application for work to existing HRB, or\n(b) with the written consent of the applicant, grant the building control approval sought in the application subject to one or more requirements.\n(3) The types of requirement that may be imposed under paragraph (2)(b) include—\n(a) a requirement to provide a specified plan or document, or a revised version of a specified plan or document, within a specified period;\n(b) a requirement that work does not proceed beyond a specified point until a specified plan or other document, or a revised version of a specified plan or other document has been given to, and approved by, the building control authority.\n(4) The building control authority must notify the applicant of the outcome of the application (and where the applicant is not the client, also give a copy of the notification to the client) within the period referred to in regulation 13(1).\n(5) A notice that the application has been rejected must give the reasons for rejection.\n(6) A notice that the building control approval sought in the application has been granted subject to a requirement must specify the requirement imposed.\n(7) Where a building control approval application for work to existing HRB is successful the effect is that from the date of the notice under paragraph (4)—\n(a) building control approval for the work to existing HRB is granted;\n(b) subject to paragraphs (8) and (9)—\n(i) the description of the proposed work under regulation 12(1)(e) (building control approval applications for work to existing HRB),\n(ii) the plans of the work that accompanied the application, and\n(iii) each of the other documents that accompanied the application and, under regulation 12(5), the building control authority required to be provided,\nare approved.\n(8) Where building control approval has been granted subject to a requirement that a plan or document must be revised, the unrevised plan or document is not approved by paragraph (7)(b).\n(9) Where—\n(a) building control approval has been granted subject to a requirement that any plan or document must be revised, and\n(b) the plan or document is revised under the requirement,\nthen that revised plan or document is approved from the date specified in the approval given by the building control authority for the revision.\n(10) Where building control approval has been granted subject to a requirement of a type described in paragraph (3)(a), the client must ensure that work does not start before the plan or document is provided.\n(11) Where building control approval has been granted subject to a requirement of a type described in paragraph (3)(b)—\n(a) the requirement must set out the points specified in relation to the work and the plans or documents which must be approved for each point;\n(b) the client must ensure work does not proceed beyond the point specified in a requirement until approval by the building control authority in relation to that plan or document has been received.\n(12) Where the building control authority decides not to approve a plan or document under paragraph (11), if requested the building control authority must give the reasons for the decision.",
  "extent": "E+W",
  "status": null,
  "version": "current",
  "annotations": [
    {
      "type": "F",
      "label": "F1",
      "text": "Words in reg. 15(1)(a) substituted (20.7.2026) by The Building etc. (Amendment) (No. 2) (Wales) Regulations 2026 (W.S.I. 2026/112), regs. 1(2), 7(5)"
    },
    {
      "type": "I",
      "label": "I1",
      "text": "Reg. 15 in force at 1.7.2026, see reg. 1(3)"
    },
    {
      "type": "footnote",
      "label": "f1",
      "text": "Part 2B was inserted by S.I. 2025/1320 (W. 215)."
    }
  ],
  "outstanding_effects": [],
  "provenance": {
    "source": "legislation.gov.uk",
    "source_url": "https://www.legislation.gov.uk/wsi/2025/1321/regulation/15",
    "retrieved_at": "2026-10-28T22:56:17.663493+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."
}