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Expert Boiler Servicing in Porth & Across South Wales

Trusted by 100+ customers across South Wales
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Your Local Boiler Engineer

Regular boiler servicing is essential to keep your heating system safe, efficient, and reliable. At MJB Servicing Ltd, our Gas Safe engineers provide thorough boiler servicing for homes and businesses in Porth, Rhondda Cynon Taf, and across South Wales.

With over 15 years’ experience, British Gas training, and more than 100 5-star Google reviews, we’re trusted local experts for annual servicing, preventative maintenance, and boiler care that helps you avoid costly breakdowns.

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Why Choose MJB Servicing for Boiler Servicing?

  • All Boiler Makes & Models – Worcester Bosch, Vaillant, Baxi, Ideal, Glow-worm & more
  • Gas Safe Registered Engineers – Fully qualified and safety assured
  • Reliable & Flexible Appointments – To suit your schedule
  • Transparent Pricing – No hidden costs, clear quotes upfront
  • Proven Track Record – 100+ 5-star reviews across South Wales
  • 15+ Years’ Experience – Trained by British Gas, trusted locally

Worcester Bosch Accredited – Service Without Losing Your Warranty

As a Worcester Bosch Accredited Installer, MJB Servicing Ltd can carry out warranty-approved servicing on Worcester Bosch boilers.

That means:

  • Manufacturer-approved annual servicing
  • Genuine replacement parts if required
  • Service records maintained for warranty protection
  • Extended guarantees available on new Worcester Bosch installations


So you can relax knowing your boiler is looked after to the highest standards.

What’s Included in a Boiler Service?

Our professional boiler service includes a full inspection and performance check to keep your system running at its best:

  • Safety checks on all components
  • Gas pressure and flow tested
  • Flue and emissions checked for safety
  • Internal parts cleaned and inspected
  • Seals, pipework, and joints inspected for leaks
  • Controls and thermostats tested
  • Service record updated for your warranty

     

Regular servicing not only reduces the risk of breakdowns but also improves efficiency and helps keep your energy bills down.

How Often Should You Service Your Boiler?

We recommend annual servicing for all boilers to:

  • Maintain efficiency and performance
  • Keep your manufacturer’s warranty valid
  • Prevent expensive breakdowns
  • Ensure your boiler is safe for use

Why Customers Trust Us

At MJB Servicing Ltd, we focus exclusively on heating and cooling, not general plumbing. That means you benefit from specialist knowledge and expertise with every service.

Gas Safe Registered engineers

15+ years’ industry experience

100+ 5-star reviews on Google

Worcester Bosch Accredited Installers

Workmanship guarantee on every job

Areas We Cover

Based in Porth, we provide boiler servicing within a 50-mile radius across South Wales, including:

  • Rhondda Cynon Taf – Porth, Tonypandy, Treorchy, Ferndale, Aberdare, Pontypridd, Llantrisant, Talbot Green, Tonyrefail, Llanharan

     

  • Major Cities – Cardiff, Swansea, Newport

     

  • Extended Coverage – Caerphilly, Merthyr Tydfil, Bridgend, Vale of Glamorgan, Neath Port Talbot, southern Powys

Contact Us to Book Your Boiler Service

Need to arrange your annual boiler service in Porth, Cardiff, Swansea, Newport, or anywhere across South Wales? Our friendly engineers are here to help.

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FAQ

FAQ – Boiler Servicing in South Wales

MJB Servicing Ltd – trusted for boiler repairs across Porth, Rhondda Cynon Taf, and within 50 miles, including Cardiff, Swansea, and Newport.

Yes – we service all leading brands, including Worcester Bosch, Vaillant, Ideal, Baxi, Glow-worm, and more.

At least once every 12 months to maintain efficiency, safety, and warranty cover.

Yes – all our engineers are fully qualified and Gas Safe registered for complete peace of mind.

Yes – as Worcester Bosch Accredited Installers, we carry out servicing without affecting your warranty.

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Reliable Heating & Cooling Experts in The Rhondda​

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