How much does a new boiler cost?

A new gas boiler costs about £2,000–£4,000 installed in the UK, depending on the type and complexity.

In more detail

A combi is cheapest for smaller homes; system boilers suit homes with higher hot-water demand.

Work it out for your home: try our free heat-pump size & cost calculator →

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

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