
Boiler Repair London
Boiler broken? Our Gas Safe engineers diagnose and fix all boiler makes and models. Same-day service available across London.
0800 123 4567Boiler repair in London costs £80–£250 depending on the fault. Most common issues - ignition failure, pressure loss, faulty diverter valves - are fixed on the same visit. A Gas Safe registered engineer should carry out all boiler work.
Boiler Repair Cost London - 2026 Prices
| Job Type | Typical Cost | Time |
|---|---|---|
| Boiler diagnostic & repair (1 hr) | £80–£150 | 1 hour |
| Ignition / electrode replacement | £120–£200 | 1–2 hours |
| Diverter valve replacement | £150–£300 | 2–3 hours |
| Pressure sensor / PRV | £100–£200 | 1–2 hours |
| Pump replacement | £200–£350 | 2–3 hours |
| Full boiler replacement | £1,800–£3,500 | 1 day |
* Prices are estimates for London. Fixed price confirmed before work begins. £60 call-out fee.
Expert Boiler Repair Across London
A broken boiler is more than an inconvenience - especially in winter. Our Gas Safe engineers carry a comprehensive stock of common parts and can fix most boiler faults on the first visit.
We service and repair all major boiler brands, offering transparent fixed-price quotes before any work begins. No surprises, no upselling - just honest, professional repairs.
Common Boiler Problems We Fix
- No heating or hot water
- Boiler keeps switching off
- Strange noises (banging, whistling, gurgling)
- Pilot light keeps going out
- Low boiler pressure
- Leaking or dripping boiler
- Error codes on display
- Radiators not heating evenly
Brands We Repair
And many more. Not listed? Call to confirm.
Boiler Service & Annual Maintenance
Regular servicing extends boiler life, maintains efficiency, and is often required to keep your manufacturer warranty valid. Our annual boiler service includes a full safety check, combustion analysis, and report.
Boiler & Heating Services
- Boiler Installations, Servicing & Repairs
- Unvented Systems Installation & Repair
- Hot Water Cylinders (Vented & Unvented)
- Central Heating Maintenance Contracts