24/7
No heat or hot water in London? 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_LONDON

Heating Engineers in London

Prices agreed before work startsGas Safe registered for every gas jobMCS certified for heat pumpsNo-heat emergencies prioritised

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

Legally required: only Gas Safe registered engineers may work on gas appliances in the UK, and Gas heating work in London is no exception. Every engineer carries a photo ID card you can check against the Gas Safe Register on the doorstep — ours expect to be asked, and we verify registration before assigning any job.
London heating notes: London's supply is hard — Thames Water draws heavily from chalk aquifers and the Thames itself, so limescale builds fast on heating elements, shower heads and tap internals. London's stock runs from Victorian and Georgian terraces with generations of altered pipework to high-rise flats with pumped and boosted supplies, and each brings its own failure patterns. Mains supply here is managed by Thames Water.

Heating services in London

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 London we cover

Our engineers work across the whole of London, including Islington, Camden Town, Clapham, Hackney, Fulham, Greenwich, Walthamstow, Brixton, Ealing, Wimbledon, Stratford and Finchley — plus the surrounding Greater London area. Wherever you are, the job routes to the nearest qualified engineer with the right credentials for your fuel and appliance.

London boroughs we cover

Frequently asked questions

Do you cover all of London?

Yes — the network covers the whole city including Wimbledon, Islington and Fulham, plus the surrounding Greater London area. If you're just outside, we'll still route you to the nearest available engineer.

How is pricing agreed for heating work in London?

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 London?

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 London?

London's supply is hard — Thames Water draws heavily from chalk aquifers and the Thames itself, so limescale builds fast on heating elements, shower heads and tap internals. 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.