Signs you need a new boiler

Warning signs include rising bills, frequent breakdowns, a yellow flame, banging noises, leaks, and age over 12 years.

In more detail

A yellow flame can mean incomplete combustion — get it checked by a Gas Safe engineer.

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.

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