Home / Plumbers and heating engineers / Hertfordshire / Welwyn Garden City

Top plumbers and heating engineers in Welwyn Garden City

Boiler installs and repairs, servicing, leaks, bathrooms, cylinders and landlord gas certificates. Covering Welwyn Garden City and nearby villages including Welwyn, Digswell, Woolmer Green, Oaklands, Tewin, Lemsford, Ayot St Peter, Burnham Green, Codicote.

10 firms listed · Google ratings checked 3 Nov 2026

  1. 1

    Boss Plumbing Services

    Welwyn Garden City

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    4.9/5287 reviews · Google
    Google reviews
  2. 2

    Dynamo 24/7 Ltd

    Welwyn Garden City

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    5/565 reviews · Google
    Google reviews
  3. 3

    Cavendish Plumbing, Heating and Gas Limited

    Welwyn Garden City

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    4.9/544 reviews · Google
    Google reviews
  4. 4

    Henry Plumbing & Heating

    Welwyn Garden City

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    4.9/540 reviews · Google
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  5. 5

    L E Heating Ltd

    Welwyn Garden City

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    4.9/534 reviews · Google
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  6. 6

    Gary O’Dell Plumbing and Heating services.

    Welwyn

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    4.4/529 reviews · Google
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  7. 7

    AL8 Plumbing Ltd

    Welwyn Garden City

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    4.9/518 reviews · Google
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  8. 8

    Armand Marsh Plumbing and Heating

    Welwyn Garden City

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    5/511 reviews · Google
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  9. 9

    Vital Plumbers Ltd

    Welwyn Garden City

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    4.8/55 reviews · Google
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  10. 10

    Taylors Plumbing, Heating & Gas

    Welwyn Garden City

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    3.5/58 reviews · Google
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Plumbers and heating engineers for villages near Welwyn Garden City

Need a plumber in Welwyn, Digswell, Woolmer Green, Oaklands, Tewin, Lemsford, Ayot St Peter, Burnham Green or Codicote? These villages are close to Welwyn Garden City, so the firms above usually work there too. Check with the firm when you ask for a quote.

Before you hire a plumber in Welwyn Garden City

  • Any gas work must be done by a Gas Safe registered engineer. Check their number on the official Gas Safe Register before they start.
  • A gas boiler service costs around £80 to £120 locally.
  • Landlords need a gas safety certificate (CP12) every 12 months.
  • For a new boiler, ask which manufacturer warranty you get and whether it needs a yearly service to stay valid.

Plumbers and heating engineers nearby: Hatfield Hertford St Albans Harpenden Stevenage Potters Bar Cheshunt Borehamwood All of Hertfordshire

Other trades in Welwyn Garden City: Roofers Driveway companies