Boiler repair in Glasgow
Frozen condensate pipes on tenement walls top the winter list in Glasgow. Check typical repair costs, then book a Gas Safe registered engineer.
The faults Glasgow engineers see most
Cold snaps bring a familiar pattern of call-outs in Glasgow. Frozen condensate pipes on exposed tenement walls stop boilers with a fault code, and pressure drops from tired radiator valves are common in older flats. Worn diverter valves and fans follow in combis that have run for many winters. If yours is over 12 years old, ask for a new-boiler quote next to the repair.
Sandstone tenement flats: Condensate pipes running down cold back walls can freeze in a hard frost. Low pressure from old radiator valves is another regular fault in these flats.
Four-in-a-block and cottage flats: Many of these flats have older combis with a long service history, so diverter valves and fans are the usual worn parts.
Suburban semis and bungalows: Older regular boilers with a cold water tank in the loft still turn up, and their pumps and motorised valves wear out with age.
Boiler repair prices in Glasgow
| 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 Glasgow before you pay for another part.
See boiler replacement optionsAreas we cover around Glasgow
- Partick
- Dennistoun
- Shawlands
- Hyndland
- Govan
- Maryhill
- Pollokshields
- Cathcart
- Bearsden
- Rutherglen
Also nearby: Boiler repair in Edinburgh, Boiler repair in Dundee
Boiler repair in Glasgow: questions
What do repairs on a Glasgow boiler tend to cost?
Expect £80 to £120 for the diagnostic visit. A replacement pump, fan or valve is usually £150 to £350 fitted, and a new main circuit board £250 to £450. The engineer tells you the price before any work begins.
My boiler cut out in freezing weather. Could the outside pipe have iced up?
It is a likely cause if the pipe runs outside and the boiler shows a fault code during a freeze. Pouring warm, not boiling, water over the outside section often thaws it, then reset the boiler. If it keeps happening, an engineer can reroute or insulate the pipe.
Should I repair or replace a boiler in my flat?
A boiler under 10 years old with one failed part is usually worth fixing. Once it passes 12 years, or starts needing repeat visits, a new combi is often cheaper over the next few years. Ask the engineer for both prices.
I can smell gas. What do I do?
Get everyone out, leave switches and flames alone, and phone the National Gas Emergency Service on 0800 111 999. In a tenement, let neighbours in the close know. Book a repair only once the emergency engineer has made it safe.