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No heat or hot water in South Wales? No heating or hot water? Tell us the boiler make and any error code and we’ll route the nearest Gas Safe engineer.
Heating helplineREPLACE_ME_HEAT_PHONE_SWW

Heating Engineers in South Wales

Vetted, insured local engineersGas Safe registered without exceptionOFTEC registered for oil systemsItemised quotes, no doorstep extras

Our South Wales coverage runs the whole county — every town below and the surrounding areas. Qualified engineers, transparent pricing, and a priority route for no-heat and no-hot-water emergencies through the winter months.

Check the card: Gas heating work across South Wales means gas work, which UK law restricts to Gas Safe registered engineers. Ask to see the ID card when they arrive and confirm it on the Gas Safe Register — the back of the card lists exactly which appliance types that engineer is qualified for. Registration is verified before we assign work.

South Wales towns we cover

Our network currently serves Swansea and Newport, plus the villages and rural addresses between them — jobs always route to the nearest available qualified engineer. No address in the county is off the map: proximity matching means the nearest available engineer takes the job, with honest travel estimates for rural spots.

What our South Wales heating engineers handle

Our South Wales engineers cover boiler repair and servicing, new boilers and complete systems, radiator and valve work, powerflushing, smart controls and air source heat pumps. Gas work is Gas Safe registered without exception; oil is OFTEC; heat pumps are MCS. What we hand over is the wet plumbing beyond the heating circuit — leaks, taps and cylinderless plumbing — and drainage, both to specialist partner networks.

Oil and LPG heating across South Wales

Significant parts of South Wales sit off the mains gas grid, so oil-fired and LPG heating are everyday work here rather than exceptions. Oil systems — boiler, tank, supply line and filters — are handled by OFTEC-registered engineers, and LPG by Gas Safe engineers holding the specific LPG competence. Annual servicing matters more on oil than on gas, because burners drift out of tune and an unserviced oil boiler drinks expensive fuel while sooting its heat exchanger.

Off-grid households in South Wales are also the strongest audience for the heat pump comparison: oil and LPG cost more per kWh than mains gas, which improves the running-cost case, and the Boiler Upgrade Scheme is aimed squarely at replacing off-grid fossil systems. We'll quote like-for-like and heat pump options side by side rather than defaulting to either.

Oil boiler services · LPG boiler services · Is my home suitable for a heat pump?

No-heat emergencies across South Wales

A boiler that dies at 3am in South Wales gets the same treatment as one at 3pm: answered immediately, nearest Gas Safe engineer dispatched, rate stated before travel. And the one instruction that overrides everything else — if you smell gas, leave the property and call the National Gas Emergency line on 0800 111 999 before calling us.

Frequently asked questions

Are installation quotes really fixed?

Yes — after a survey, the price is fixed and itemised. The only changes are ones you approve in advance, such as pipework found below standard once work opens up. Doorstep additions breach network standards.

Can landlords use your network across South Wales?

Yes — landlords and agents use us for annual gas safety checks and servicing (combined in one visit), breakdown response and installations across multiple properties, with certificates and invoices for the compliance file.

Which areas of South Wales do you cover?

The whole county — the towns listed on this page plus surrounding villages. Jobs route to the nearest available qualified engineer, so rural addresses are covered too, with honest travel estimates rather than optimistic ones.

Do your South Wales engineers work on oil and LPG systems?

Yes — oil goes to OFTEC-registered engineers and LPG to Gas Safe engineers holding the specific LPG competence. Both are common outside the gas grid in South Wales, and the routing accounts for it.