BOILER · UPDATED 2026-04-01
Boiler Repair Cost London 2026 · All Prices Explained
£85 – £600 per job
Boiler repair in London starts from £85/hr for minor faults. A full boiler replacement ranges from £1,500–£3,000 depending on boiler type and property. LPG Gas Safe engineers offer transparent pricing with no hidden charges.
Boiler Repair price breakdown — London 2026
| Job | Price range | Unit |
|---|---|---|
| Boiler diagnostic / health check | £85 – £120 | per job |
| Ignition / pilot light repair | £100 – £200 | per job |
| Pressure fault fix | £85 – £150 | per job |
| Thermocouple replacement | £100 – £180 | per job |
| PCB replacement | £300 – £600 | per job |
| New combi boiler supply & fit | £1,800 – £3,000 | full install |
What affects the price
- Fault type. Minor issues (ignition, pressure) cost less than major PCB or heat exchanger failures.
- Boiler age & make. Parts for older or discontinued models may be hard to source, increasing cost.
- Emergency vs planned. Emergency out-of-hours boiler repairs attract a premium rate.
- Replacement vs repair. If repair costs exceed 50% of a new boiler price, replacement is usually more economical.
Frequently asked questions
Is it worth repairing a boiler over 10 years old?
Generally, if the repair costs more than £500 on a boiler over 10 years old, replacement is usually more cost-effective in the long run.
How long does a boiler repair take?
Minor repairs take 1–2 hours. Complex faults or part replacements can take a full day.
Do you offer emergency boiler repair in London?
Yes · LPG provides 24/7 emergency boiler repair across London with a 2-hour response target for priority call-outs.
Related cost guides
Get a binding boiler repair quote
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