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Stay Safe And Efficient With GavGas

Plumbers & Gas Engineers – 25 Years' Experience, Treharris

GavGas, Treharris - 25 years’ experience, Gas Safe engineers

Call now to get a free, no-obligation quote.

About Us

Established in 2000, GavGas has been delivering trusted heating services in Treharris and the surrounding areas for over 25 years. Founded and led by Gavin, a highly experienced and fully qualified engineer, we are Gas Safe registered (550552)—ensuring all our work meets the highest standards of safety and compliance. We specialise in plumbing, boiler installations, repairs, and servicing, along with central heating solutions designed to keep your home warm and energy efficient all year round. From emergency call-outs to planned upgrades, we provide honest advice, transparent pricing, and reliable results that you can count on. At GavGas, our commitment goes beyond just fixing plumbing and heating problems—we aim to build long-term relationships with our customers based on trust, professionalism, and consistent high standards.

Quality Service

Fast Response

Fully-Qualified

What We Offer

gas engineer adjusts a control on a white boiler

Boiler Installations

Upgrade to a reliable, energy-efficient boiler with our expert installation service. We supply, fit, and test high-quality systems for long-lasting performance.

The water flows from a modern kitchen tap

Plumbing Work

Dripping tap driving you round the bend? Need new plumbing installed for your home? We're always ready to help with the plumbing.

A hand adjusts a modern digital thermostat displaying 25°C

Central Heating Services

Keep your home warm when it matters most with our full range of heating solutions, from system maintenance to power flushing and upgrades.

Compact bathroom with chevron wood floor

Bathroom Installations

Complete bathroom design and installation services, including tiling, flooring, and accessibility options such as wet rooms and disability bathrooms.

Had a new bathroom fitted. So happy with it. Very professional and did a fantastic job.

- Beckych

Close-up image of a plumber's hand while using a tool to fix bathroom pipe

Why Choose Us?

  • Over 25 years of industry experience.

  • Fully qualified and gas safe registered engineers.

  • Fast response times and 24/7 emergency call-outs.

  • Honest, transparent pricing with no hidden costs.

  • Trusted local service with a commitment to quality.

Need A Plumber Or Gas Engineer? You're In The Right Place!

Contact Our Trusted Team Now For Fast, Professional Plumbing And Heating Services You Can Depend On.

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