Gas boiler
A gas boiler service usually costs between £80-£120.
Getting your boiler serviced periodically means it's less likely to let you down in winter.
Poorly functioning boilers are costlier to run, so getting yours serviced can save you money in the long run.
You should aim to get your boiler serviced once a year, especially because not doing so will invalidate some boiler warranties.
A one-off boiler service costs around £100, but this depends on the type, model and age of the boiler. An annual boiler service is included in most boiler cover plans, as well as replacement parts and repairs.
Boilers are most likely to fail in winter, when you rely on them most. A yearly service, ideally in summer or autumn, helps keep yours running safely and efficiently, including checks for carbon monoxide risks.
While a service costs money, it can save you more by catching issues early and preventing expensive repairs or replacements. A well-maintained boiler also uses less energy, lowering your bills.
The flame colour of your boiler’s pilot light is yellow or orange, rather than a healthy blue. This could be a sign of poor combustion.
Black marks on or near your boiler could show your flue is leaking, or your boiler has electrical problems.
Your bills show gas usage that’s too high or higher than usual. This could mean your boiler is burning more gas than necessary.
If your pilot light keeps going out that is a major safety issue.
A boiler service can include:
MoneySuperMarket has won the Feefo Platinum Trusted Service Award, an independent seal of excellence, which recognises businesses that consistently deliver a world-class customer experience.
Reviewed on 30 Apr 2026
YouGov Survey 1st July 2024 to 30th June 2025. Net Recommend score derived from “Which of the following online service websites would you recommend to a friend or colleague, or tell them to avoid?” Base: Current Customers of (MoneySuperMarket n=18,382, Compare the Market n=16,802, Go.Compare n=10,162, Confused.com n=8,229, Uswitch n=528).