How long do boilers last?

A modern gas boiler lasts around 10–15 years with annual servicing.

In more detail

After ~12 years, rising repair costs often make replacement better value.

Work it out for your home: try our free heat pump vs gas running-cost tool →

2026 figures, based on Energy Saving Trust, Ofgem & gov.uk data · always confirm with a professional survey.

Tell us the job and we'll get you free quotes from vetted local installers — compare and choose, no obligation.