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No heat or hot water in Belfast? 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_NI

Heating Engineers in Belfast

Gas Safe registered & insuredHonest triage before we dispatchG3 certified for unvented cylindersFixed quotes after a proper survey

From Victorian terraces with systems extended over decades to new-build flats with modern combis, Belfast keeps heating engineers busy. Our network matches your job to a nearby qualified engineer — breakdowns attended urgently, installations surveyed and fixed-quoted, coverage from Sydenham to Dundonald border.

Qualified for gas: Gas heating work in Belfast is assigned only to Gas Safe registered engineers, as the law requires for every gas appliance in the UK. Registration is checked against the Gas Safe Register before a job goes out, and you can repeat that check yourself from the ID card at the door.
Belfast heating notes: Belfast's supply from the Mournes and Antrim hills is soft — scale is a minor factor, and the workload tilts toward the city's older terrace pipework, winter freezes and conversions. Belfast's parlour terraces off the Ormeau, Lisburn and Antrim Roads carry early-1900s heating and hot-water bones, alongside postwar estates and the Titanic Quarter's modern apartment blocks. Mains supply here is managed by NI Water.

Heating services in Belfast

Boiler Repair

Breakdowns, error codes and leaks diagnosed and fixed by Gas Safe engineers.

from £95

No Heating or Hot Water

No heat or hot water? Fast triage on the phone, then the nearest engineer.

from £99

Boiler Servicing

Fixed-price boiler servicing, recorded properly for warranty and safety.

from £70

Boiler Installation & Replacement

New boilers surveyed and fixed-quoted — no doorstep additions.

from £1,800

Central Heating Installation

New and replacement central heating — radiators, pipework, controls, boiler.

from £3,500

Radiator Repair & Installation

From stuck TRVs to full radiator upgrades — priced before we start.

from £85

Powerflushing

Sludged systems cleaned properly, priced by radiator count.

from £300

Air Source Heat Pump Installation

Heat pumps surveyed honestly — suitability first, then a designed system.

from £7,000

Areas of Belfast we cover

Our engineers work across the whole of Belfast, including Ormeau, Stranmillis, Ballyhackamore, Cregagh, Andersonstown, Cavehill, Sydenham, Finaghy, Malone, Whiterock, Dundonald border and Titanic Quarter — plus the surrounding County Antrim area. Wherever you are, the job routes to the nearest qualified engineer with the right credentials for your fuel and appliance.

Frequently asked questions

Do you cover all of Belfast?

Yes — the network covers the whole city including Cregagh, Sydenham and Dundonald border, plus the surrounding County Antrim area. If you're just outside, we'll still route you to the nearest available engineer.

How is pricing agreed for heating work in Belfast?

Repairs get a stated diagnosis and first-hour rate before anyone travels, with parts quoted before fitting. Installations get a fixed price after a survey, itemised so you can see the boiler, flue, filter, controls and labour separately. No doorstep additions.

Do you fit new boilers and full central heating systems?

Both — from a like-for-like combi swap to a designed whole-house system with room-by-room heat-loss calculations. Every installation is Gas Safe notified, commissioned with the benchmark record completed, and warrantied.

Do you install heat pumps in Belfast?

Yes — through MCS-certified installers, which is both the quality standard and the requirement for Boiler Upgrade Scheme grant support. Every heat pump quote starts with a room-by-room heat-loss survey rather than a guess.

Is hard water a problem for boilers in Belfast?

Belfast's supply from the Mournes and Antrim hills is soft — scale is a minor factor, and the workload tilts toward the city's older terrace pipework, winter freezes and conversions. Where the water is hard, scale protection on the boiler's supply and properly inhibited system water are what keep heat exchangers alive — and our engineers advise on both as part of servicing and installation.