Estimated boiler repair costs in S21 range from the cheapest Boiler repair £80 (B Safe Gas Services based in S26) to the dearest Boiler repair £170 (Sheffield Boilers based in S12). This is an average cost, replacing a heat exchanger will be more expensive, a diverter valve less so.

Comparing gas heating engineer estimates for boiler repairs in S21 gives you an idea of who will be better value but the best way to compare costs is to get actual quotes.

What to do - If your boiler is playing up, quickly get rates and quotes for boiler repairs by clicking "Get quotes" to post your job to heating engineers in S21