{
  "url": "https://openlegislation.uk/gas-safety-installation-and-use-regulations-1998",
  "json_url": "https://openlegislation.uk/gas-safety-installation-and-use-regulations-1998.json",
  "id": "uksi/1998/2451",
  "title": "The Gas Safety (Installation and Use) Regulations 1998",
  "short_title": "Gas Safety (Installation and Use) 1998",
  "long_title": "These Regulations re-enact, with amendments, the Gas Safety (Installation and Use) Regulations 1994, as amended by the Gas Safety (Installation and Use)(Amendment) Regulations 1996 and the Gas Safety (Installation and Use)(Amendment)(No 2) Regulations 1996 (“the 1994 Regulations”). The 1994 Regulations made provision in respect of the installation and use of gas fittings for the purpose of protecting the public from dangers arising from the distribution, supply or use of gas.",
  "citation": "S.I. 1998/2451",
  "type": "uksi",
  "year": "1998",
  "number": "2451",
  "version": "current",
  "date": "1998-10-03",
  "revised": true,
  "valid_from": "2018-04-06",
  "extent": "E+W+S",
  "unapplied_effects": 0,
  "provisions": [
    {
      "path": "introduction",
      "kind": "introduction",
      "number": null,
      "heading": "Introductory text",
      "url": "https://openlegislation.uk/gas-safety-installation-and-use-regulations-1998/introduction",
      "extent": "E+W+S",
      "status": null,
      "parent": null
    },
    {
      "path": "part/A",
      "kind": "part",
      "number": "A",
      "heading": "GENERAL",
      "url": null,
      "extent": "E+W+S",
      "status": null,
      "parent": null
    },
    {
      "path": "regulation/1",
      "kind": "regulation",
      "number": "1",
      "heading": "Citation and commencement",
      "url": "https://openlegislation.uk/gas-safety-installation-and-use-regulations-1998/regulation-1",
      "extent": "E+W+S",
      "status": null,
      "parent": "part/A"
    },
    {
      "path": "regulation/2",
      "kind": "regulation",
      "number": "2",
      "heading": "General interpretation and application",
      "url": "https://openlegislation.uk/gas-safety-installation-and-use-regulations-1998/regulation-2",
      "extent": "E+W+S",
      "status": null,
      "parent": "part/A"
    },
    {
      "path": "part/B",
      "kind": "part",
      "number": "B",
      "heading": "GAS FITTINGS – GENERAL PROVISIONS",
      "url": null,
      "extent": "E+W+S",
      "status": null,
      "parent": null
    },
    {
      "path": "regulation/3",
      "kind": "regulation",
      "number": "3",
      "heading": "Qualification and supervision",
      "url": "https://openlegislation.uk/gas-safety-installation-and-use-regulations-1998/regulation-3",
      "extent": "E+W+S",
      "status": null,
      "parent": "part/B"
    },
    {
      "path": "regulation/4",
      "kind": "regulation",
      "number": "4",
      "heading": "Duty on employer",
      "url": "https://openlegislation.uk/gas-safety-installation-and-use-regulations-1998/regulation-4",
      "extent": "E+W+S",
      "status": null,
      "parent": "part/B"
    },
    {
      "path": "regulation/5",
      "kind": "regulation",
      "number": "5",
      "heading": "Materials and workmanship",
      "url": "https://openlegislation.uk/gas-safety-installation-and-use-regulations-1998/regulation-5",
      "extent": "E+W+S",
      "status": null,
      "parent": "part/B"
    },
    {
      "path": "regulation/6",
      "kind": "regulation",
      "number": "6",
      "heading": "General safety precautions",
      "url": "https://openlegislation.uk/gas-safety-installation-and-use-regulations-1998/regulation-6",
      "extent": "E+W+S",
      "status": null,
      "parent": "part/B"
    },
    {
      "path": "regulation/7",
      "kind": "regulation",
      "number": "7",
      "heading": "Protection against damage",
      "url": "https://openlegislation.uk/gas-safety-installation-and-use-regulations-1998/regulation-7",
      "extent": "E+W+S",
      "status": null,
      "parent": "part/B"
    },
    {
      "path": "regulation/8",
      "kind": "regulation",
      "number": "8",
      "heading": "Existing gas fittings",
      "url": "https://openlegislation.uk/gas-safety-installation-and-use-regulations-1998/regulation-8",
      "extent": "E+W+S",
      "status": null,
      "parent": "part/B"
    },
    {
      "path": "regulation/9",
      "kind": "regulation",
      "number": "9",
      "heading": "Emergency controls",
      "url": "https://openlegislation.uk/gas-safety-installation-and-use-regulations-1998/regulation-9",
      "extent": "E+W+S",
      "status": null,
      "parent": "part/B"
    },
    {
      "path": "regulation/10",
      "kind": "regulation",
      "number": "10",
      "heading": "Maintaining electrical continuity",
      "url": "https://openlegislation.uk/gas-safety-installation-and-use-regulations-1998/regulation-10",
      "extent": "E+W+S",
      "status": null,
      "parent": "part/B"
    },
    {
      "path": "part/C",
      "kind": "part",
      "number": "C",
      "heading": "METERS AND REGULATORS",
      "url": null,
      "extent": "E+W+S",
      "status": null,
      "parent": null
    },
    {
      "path": "regulation/11",
      "kind": "regulation",
      "number": "11",
      "heading": "Interpretation of Part C",
      "url": "https://openlegislation.uk/gas-safety-installation-and-use-regulations-1998/regulation-11",
      "extent": "E+W+S",
      "status": null,
      "parent": "part/C"
    },
    {
      "path": "regulation/12",
      "kind": "regulation",
      "number": "12",
      "heading": "Meters—general provisions",
      "url": "https://openlegislation.uk/gas-safety-installation-and-use-regulations-1998/regulation-12",
      "extent": "E+W+S",
      "status": null,
      "parent": "part/C"
    },
    {
      "path": "regulation/13",
      "kind": "regulation",
      "number": "13",
      "heading": "Meter housings",
      "url": "https://openlegislation.uk/gas-safety-installation-and-use-regulations-1998/regulation-13",
      "extent": "E+W+S",
      "status": null,
      "parent": "part/C"
    },
    {
      "path": "regulation/14",
      "kind": "regulation",
      "number": "14",
      "heading": "Regulators",
      "url": "https://openlegislation.uk/gas-safety-installation-and-use-regulations-1998/regulation-14",
      "extent": "E+W+S",
      "status": null,
      "parent": "part/C"
    },
    {
      "path": "regulation/15",
      "kind": "regulation",
      "number": "15",
      "heading": "Meters—emergency notices",
      "url": "https://openlegislation.uk/gas-safety-installation-and-use-regulations-1998/regulation-15",
      "extent": "E+W+S",
      "status": null,
      "parent": "part/C"
    },
    {
      "path": "regulation/16",
      "kind": "regulation",
      "number": "16",
      "heading": "Primary meters",
      "url": "https://openlegislation.uk/gas-safety-installation-and-use-regulations-1998/regulation-16",
      "extent": "E+W+S",
      "status": null,
      "parent": "part/C"
    },
    {
      "path": "regulation/17",
      "kind": "regulation",
      "number": "17",
      "heading": "Secondary meters",
      "url": "https://openlegislation.uk/gas-safety-installation-and-use-regulations-1998/regulation-17",
      "extent": "E+W+S",
      "status": null,
      "parent": "part/C"
    },
    {
      "path": "part/D",
      "kind": "part",
      "number": "D",
      "heading": "INSTALLATION PIPEWORK",
      "url": null,
      "extent": "E+W+S",
      "status": null,
      "parent": null
    },
    {
      "path": "regulation/18",
      "kind": "regulation",
      "number": "18",
      "heading": "Safe use of pipes",
      "url": "https://openlegislation.uk/gas-safety-installation-and-use-regulations-1998/regulation-18",
      "extent": "E+W+S",
      "status": null,
      "parent": "part/D"
    },
    {
      "path": "regulation/19",
      "kind": "regulation",
      "number": "19",
      "heading": "Enclosed pipes",
      "url": "https://openlegislation.uk/gas-safety-installation-and-use-regulations-1998/regulation-19",
      "extent": "E+W+S",
      "status": null,
      "parent": "part/D"
    },
    {
      "path": "regulation/20",
      "kind": "regulation",
      "number": "20",
      "heading": "Protection of buildings",
      "url": "https://openlegislation.uk/gas-safety-installation-and-use-regulations-1998/regulation-20",
      "extent": "E+W+S",
      "status": null,
      "parent": "part/D"
    },
    {
      "path": "regulation/21",
      "kind": "regulation",
      "number": "21",
      "heading": "Clogging precautions",
      "url": "https://openlegislation.uk/gas-safety-installation-and-use-regulations-1998/regulation-21",
      "extent": "E+W+S",
      "status": null,
      "parent": "part/D"
    },
    {
      "path": "regulation/22",
      "kind": "regulation",
      "number": "22",
      "heading": "Testing and purging of pipes",
      "url": "https://openlegislation.uk/gas-safety-installation-and-use-regulations-1998/regulation-22",
      "extent": "E+W+S",
      "status": null,
      "parent": "part/D"
    },
    {
      "path": "regulation/23",
      "kind": "regulation",
      "number": "23",
      "heading": "Marking of pipes",
      "url": "https://openlegislation.uk/gas-safety-installation-and-use-regulations-1998/regulation-23",
      "extent": "E+W+S",
      "status": null,
      "parent": "part/D"
    },
    {
      "path": "regulation/24",
      "kind": "regulation",
      "number": "24",
      "heading": "Large consumers",
      "url": "https://openlegislation.uk/gas-safety-installation-and-use-regulations-1998/regulation-24",
      "extent": "E+W+S",
      "status": null,
      "parent": "part/D"
    },
    {
      "path": "part/E",
      "kind": "part",
      "number": "E",
      "heading": "GAS APPLIANCES",
      "url": null,
      "extent": "E+W+S",
      "status": null,
      "parent": null
    },
    {
      "path": "regulation/25",
      "kind": "regulation",
      "number": "25",
      "heading": "Interpretation of Part E",
      "url": "https://openlegislation.uk/gas-safety-installation-and-use-regulations-1998/regulation-25",
      "extent": "E+W+S",
      "status": null,
      "parent": "part/E"
    },
    {
      "path": "regulation/26",
      "kind": "regulation",
      "number": "26",
      "heading": "Gas appliances—safety precautions",
      "url": "https://openlegislation.uk/gas-safety-installation-and-use-regulations-1998/regulation-26",
      "extent": "E+W+S",
      "status": null,
      "parent": "part/E"
    },
    {
      "path": "regulation/27",
      "kind": "regulation",
      "number": "27",
      "heading": "Flues",
      "url": "https://openlegislation.uk/gas-safety-installation-and-use-regulations-1998/regulation-27",
      "extent": "E+W+S",
      "status": null,
      "parent": "part/E"
    },
    {
      "path": "regulation/28",
      "kind": "regulation",
      "number": "28",
      "heading": "Access",
      "url": "https://openlegislation.uk/gas-safety-installation-and-use-regulations-1998/regulation-28",
      "extent": "E+W+S",
      "status": null,
      "parent": "part/E"
    },
    {
      "path": "regulation/29",
      "kind": "regulation",
      "number": "29",
      "heading": "Manufacturer’s instructions",
      "url": "https://openlegislation.uk/gas-safety-installation-and-use-regulations-1998/regulation-29",
      "extent": "E+W+S",
      "status": null,
      "parent": "part/E"
    },
    {
      "path": "regulation/30",
      "kind": "regulation",
      "number": "30",
      "heading": "Room-sealed appliances",
      "url": "https://openlegislation.uk/gas-safety-installation-and-use-regulations-1998/regulation-30",
      "extent": "E+W+S",
      "status": null,
      "parent": "part/E"
    },
    {
      "path": "regulation/31",
      "kind": "regulation",
      "number": "31",
      "heading": "Suspended appliances",
      "url": "https://openlegislation.uk/gas-safety-installation-and-use-regulations-1998/regulation-31",
      "extent": "E+W+S",
      "status": null,
      "parent": "part/E"
    },
    {
      "path": "regulation/32",
      "kind": "regulation",
      "number": "32",
      "heading": "Flue dampers",
      "url": "https://openlegislation.uk/gas-safety-installation-and-use-regulations-1998/regulation-32",
      "extent": "E+W+S",
      "status": null,
      "parent": "part/E"
    },
    {
      "path": "regulation/33",
      "kind": "regulation",
      "number": "33",
      "heading": "Testing of appliances",
      "url": "https://openlegislation.uk/gas-safety-installation-and-use-regulations-1998/regulation-33",
      "extent": "E+W+S",
      "status": null,
      "parent": "part/E"
    },
    {
      "path": "regulation/34",
      "kind": "regulation",
      "number": "34",
      "heading": "Use of appliances",
      "url": "https://openlegislation.uk/gas-safety-installation-and-use-regulations-1998/regulation-34",
      "extent": "E+W+S",
      "status": null,
      "parent": "part/E"
    },
    {
      "path": "part/F",
      "kind": "part",
      "number": "F",
      "heading": "MAINTENANCE",
      "url": null,
      "extent": "E+W+S",
      "status": null,
      "parent": null
    },
    {
      "path": "regulation/35",
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      "heading": "Duties of employers and self-employed persons",
      "url": "https://openlegislation.uk/gas-safety-installation-and-use-regulations-1998/regulation-35",
      "extent": "E+W+S",
      "status": null,
      "parent": "part/F"
    },
    {
      "path": "regulation/36",
      "kind": "regulation",
      "number": "36",
      "heading": "Duties of Landlords",
      "url": "https://openlegislation.uk/gas-safety-installation-and-use-regulations-1998/regulation-36",
      "extent": "E+W+S",
      "status": null,
      "parent": "part/F"
    },
    {
      "path": "regulation/36A",
      "kind": "regulation",
      "number": "36A",
      "heading": "Determination of date when next safety check due under regulation 36(3)",
      "url": "https://openlegislation.uk/gas-safety-installation-and-use-regulations-1998/regulation-36A",
      "extent": null,
      "status": null,
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    },
    {
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      "heading": "MISCELLANEOUS",
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      "status": null,
      "parent": null
    },
    {
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      "number": "37",
      "heading": "Escape of gas",
      "url": "https://openlegislation.uk/gas-safety-installation-and-use-regulations-1998/regulation-37",
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      "status": null,
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    },
    {
      "path": "regulation/38",
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      "heading": "Use of antifluctuators and valves",
      "url": "https://openlegislation.uk/gas-safety-installation-and-use-regulations-1998/regulation-38",
      "extent": "E+W+S",
      "status": null,
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    },
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      "number": "39",
      "heading": "Exception as to liability",
      "url": "https://openlegislation.uk/gas-safety-installation-and-use-regulations-1998/regulation-39",
      "extent": "E+W+S",
      "status": null,
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    },
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      "kind": "regulation",
      "number": "40",
      "heading": "Exemption certificates",
      "url": "https://openlegislation.uk/gas-safety-installation-and-use-regulations-1998/regulation-40",
      "extent": "E+W+S",
      "status": null,
      "parent": "part/G"
    },
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      "heading": "Review",
      "url": "https://openlegislation.uk/gas-safety-installation-and-use-regulations-1998/regulation-40A",
      "extent": null,
      "status": null,
      "parent": "part/G"
    },
    {
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      "kind": "regulation",
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      "heading": "Revocation and amendments",
      "url": "https://openlegislation.uk/gas-safety-installation-and-use-regulations-1998/regulation-41",
      "extent": "E+W+S",
      "status": null,
      "parent": "part/G"
    },
    {
      "path": "signature",
      "kind": "signature",
      "number": null,
      "heading": "Signature",
      "url": "https://openlegislation.uk/gas-safety-installation-and-use-regulations-1998/signature",
      "extent": "E+W+S",
      "status": null,
      "parent": null
    },
    {
      "path": "note",
      "kind": "note",
      "number": null,
      "heading": "Explanatory note",
      "url": "https://openlegislation.uk/gas-safety-installation-and-use-regulations-1998/note",
      "extent": "E+W+S",
      "status": null,
      "parent": null
    }
  ],
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  "made_under": [
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      "id": "ukpga/1974/37",
      "title": "Health and Safety at Work etc. Act 1974",
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      "provisions": []
    }
  ],
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  "provenance": {
    "source": "legislation.gov.uk",
    "source_url": "https://www.legislation.gov.uk/uksi/1998/2451",
    "retrieved_at": "2026-10-29T11:17:52.447994+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."
}