Gas Services

At SMC plumbing and heating (gas safe registered 570503) we provide a fast response for all domestic gas emergencies including gas leaks and gas central heating problems & services, we also carry out Gas Safety Certificates and Gas Safety Testing for all Cardiff and surrounding areas.

We offer Long warranties on most boiler brands such as Worcester, Viessmann & Baxi.

We are also Veissmann Trained installers and can offer up to 7 year warranties on the boiler and off expert advice when choosing your boiler. Viessmann boilers come with a 10 Year Warranty on all stainless steel heat exchangers for gas condensing boilers as standard.

  • All boilers installed to the highest of standards with free honest expert advice when choosing
  • Experienced Corgi homeplan breakdown and servicing engineer
  • Smart thermostats installed (Nest certified professional)
  • Installation, Servicing of unvented cylinders (G3 Unvented Hot Water Systems & Water regulations)
  • Gas Safe Engineers are available 24 hours a day


Smc plumbing and heating are fully accredited to certify Landlord safety Checks and Certificates, including Gas Safety Certificates (Document cp12) We are also available to carry out safety checks and pre-purchase reports for plumbing & gas installations.


Gas hobs/Cookers installed, removed and serviced

Gas fires installed, removed and serviced


We have 100’s of genuine reviews online with a 100% job satisfaction work record. We have taken on a vast amount of big and small projects all across Cardiff. Our private clients and landlords know that we work hard to find & source all boiler parts quickly and efficiently to make sure that they have working central heating & hot water as fast as we possibly can. We take our own days out to train with the top boiler manufacturers so we can keep up to date on all products and services.


Any make or model boiler serviced and repaired

We carry repairs out quickly to ensure you have hot water and heating when you need it. We also provide free, no obligation quotations with expert advice.

  • Boiler repairs
  • Boiler fault finding
  • Boiler servicing
  • Boiler Installations
  • Radiator leaks
  • Central heating repairs
  • Central heating pumps
  • Central heating controls
  • Immersion heaters
  • Vented and unvented cylinders
  • Thermostats\Smart thermostats
  • Thermostat valves
  • Noisy radiators
  • Power flushes
  • Water heaters

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