Boiler & heating engineers · London

How much does Boiler & heating engineers cost in London? (2026 price guide)

A standard boiler service typically costs £80-£120, an annual service-and-safety-check package usually runs £100-£150, and a full boiler replacement (combi, like-for-like) commonly costs £2,000-£3,500, rising to £3,500-£5,500 for a system upgrade or relocation.

Costs vary with boiler brand and output, the complexity of any pipework changes, whether a power flush is needed, and how urgently the work is required, since emergency call-outs cost more than a scheduled visit.

Always confirm the engineer is Gas Safe registered before work begins, and compare like-for-like fixed quotes rather than rough estimates, since installation complexity varies significantly between properties.

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