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Expert Plumbing & Heating Services in South Wales
Green Flame Plumbing and Heating is a specialist provider of plumbing, heating, and gas-related services across South Wales. Established to deliver expert solutions, we operate in Bridgend, Cardiff, Pontyclun, Pontypridd, Porth, Vale of Glamorgan, and surrounding areas. Our team holds Gas Safe Registration, Which? Trusted Trader accreditation, and partnerships with leading boiler brands, ensuring compliance with industry standards. We pride ourselves on offering tailored, professional service, combining technical expertise with a commitment to customer satisfaction. Our engineers are trained to handle projects of all scales, from boiler installations to emergency repairs, while maintaining transparency and reliability.

With over 100 positive reviews, we emphasize punctuality, cleanliness, and clear communication. Our services include boiler installation, servicing, and repair, central heating systems, smart thermostats, underfloor heating, powerflushing, and oil boiler solutions. We are Ideal Max Accredited Installers, offering extended warranties on select models, and OFTEC registered for oil boiler work. Customer feedback highlights our professionalism, efficiency, and dedication to resolving heating and plumbing challenges effectively.
Services
Boiler Installation Boiler Servicing Boiler Repair Central Heating Installation Smart Thermostats Underfloor Heating Powerflushing Unvented Cylinders Oil Boilers
Highlights and features
  • Based in South Wales with coverage across Bridgend, Cardiff, and surrounding areas
  • Friendly, personally-tailored service from qualified professionals
  • Gas Safe Registered with highly experienced engineers
  • Ideal Max Accredited Installers offering extended warranties
  • 100+ positive customer reviews highlighting reliability and expertise
Associations and certifications
  • Gas Safe Register
  • Which? Trusted Traders
  • OFTEC
  • Ideal Max Accredited Installers
What people say
Very professional as usual Brilliant service Outstanding service Great communication Excellent service
Services
Boiler Installation
We install new boilers from leading manufacturers like Viessmann and Ideal across South Wales. Our Gas Safe Registered engineers ensure safe, efficient installations with options for LPG boilers. As Ideal Max Accredited Installers, we offer extended warranties on select models. Customers benefit from tailored advice to choose the right boiler for their home, with guarantees on workmanship and compliance with safety standards.
Boiler Servicing
Annual boiler servicing is crucial for safety, efficiency, and warranty compliance. Our engineers perform comprehensive checks, including flue inspections, gas pressure adjustments, and component testing. Servicing reduces breakdown risks, lowers energy bills, and identifies potential issues early. Landlords receive legally required safety certifications. We prioritize clear communication and leave work areas clean and tidy.
Central Heating Installation
We design and install energy-efficient central heating systems, including radiators, underfloor heating, and smart controls. Upgrades improve home comfort, reduce energy costs, and integrate with renewable technologies. Our engineers assess property needs to recommend optimal solutions, ensuring seamless installation and compliance with building regulations. Smart thermostats enable remote control via smartphone apps.
Powerflushing
Powerflushing removes sludge and limescale from central heating systems, enhancing efficiency and longevity. Our process uses descalers, corrosion inhibitors, and high-velocity water flow to clear blockages. Benefits include faster heating response, lower energy bills, and reduced breakdown risks. We diagnose system health and recommend powerflushing based on radiator performance and boiler noise indicators.
Oil Boiler Services
We install and service oil boilers for properties not connected to the gas grid. OFTEC registration ensures compliance with Welsh regulations. Annual servicing maintains safety and efficiency, while installations include modern condensing boilers with up to 95% efficiency. We advise on fuel cost optimization and compatibility with renewable energy systems.
Questions
Are your engineers Gas Safe Registered?
Yes, all our engineers are Gas Safe Registered, ensuring legal compliance and safety for gas-related work.
Do you offer emergency boiler repairs?
We prioritize urgent cases but do not explicitly advertise 24/7 emergency services.
What areas do you cover?
We serve Bridgend, Cardiff, Pontyclun, Pontypridd, Porth, Vale of Glamorgan, and surrounding South Wales areas.
Can you install smart thermostats?
Yes, we install smart thermostats including Hive and Nest models for remote heating control.
Are you OFTEC registered for oil boilers?
Yes, we are OFTEC registered, qualified to install and service oil-fired heating systems.
Do you offer boiler servicing contracts?
We recommend annual servicing, though specific contract details are not outlined in the text.