Boiler repair in Exeter
Tall Georgian houses suffer airlocks, newer semis lose pressure. Get a feel for Exeter repair costs before a Gas Safe registered engineer calls.
Boiler faults common in Exeter
In Exeter's semis and older terraces, most breakdowns trace back to a short list: low pressure, a failed diverter valve leaving no hot water, a worn pump or fan, or an ignition fault. Tall Georgian and Victorian houses also suffer airlocks and uneven heat. For boilers over twelve years old, having a replacement quoted at the same time makes the choice clearer.
Interwar and post-war semis: Older regular boilers with tanks are still around. Pump wear, sticking valves and faulty programmers or room thermostats are common calls.
Victorian and Georgian terraces: Long pipe runs in tall houses lead to airlocks and uneven heating. Sludge and leaking radiator valves are common in older systems.
New-build estates on the edge of the city: Electronic faults, such as sensors and circuit boards, and pressure loss are more common than sludge in younger systems.
Boiler repair prices in Exeter
| Job | Typical price | Typical visit |
|---|---|---|
| Diagnostic visit | £80 to £120 | about 1 hour |
| Pump, valve or fan replacement | £150 to £350 | 1 to 3 hours |
| Main circuit board (PCB) | £250 to £450 | 2 to 3 hours |
| Annual boiler service | £80 to £120 | about 1 hour |
Typical prices including VAT, checked October 2026. Your installer gives you a fixed price in writing before any work starts. More detail in our boiler repair cost guide.
Boiler over 12 years old?
Repeat repairs on an old boiler add up. Compare a fixed replacement price in Exeter before you pay for another part.
See boiler replacement optionsAreas we cover around Exeter
- Heavitree
- St Thomas
- St Leonard's
- Pennsylvania
- Alphington
- Whipton
- Pinhoe
- Exwick
- Topsham
- Cranbrook
Also nearby: Boiler repair in Plymouth, Boiler repair in Bristol, Boiler repair in Bournemouth
Boiler repair in Exeter: questions
What does an Exeter boiler repair cost?
An engineer usually charges £80 to £120 to diagnose the problem. Common parts such as a pump, valve or fan cost about £150 to £350 fitted, and a main control board £250 to £450. You agree the price before any part goes in.
Why is the top floor of my house always colder?
In tall houses this is often air trapped in the upper radiators, sludge, or a system that has never been balanced. Bleed the top radiators first. If that does not help, an engineer can check the pump and balance the system.
Can I top up the boiler pressure myself?
Usually. If the gauge reads under 1 bar with the heating off, use the filling loop as the manual describes, aiming for about 1 to 1.5 bar. If it keeps falling, there is likely a leak or faulty valve to fix.
What should I do if I smell gas in Exeter?
Leave the house at once, do not use switches, plugs or flames, and call the National Gas Emergency Service on 0800 111 999. Wait for them to make it safe before booking a boiler engineer.