How much does it cost to fix boiler error code 254?

Typical repair cost for the boiler 254 fault is £180-450 including labour.

254 High

Boiler Fault Code 254

Reviewed by the BoilerFaultCodes Editorial Team Last reviewed 27 April 2026

Fault code 254 appears across 1 boiler brand and 8 models. The exact meaning varies by manufacturer — pick your boiler brand below to see the model-specific fix.

Most common meaning Your boiler's internal computer brain is experiencing a critical communication error or software glitch that is preventing it from running. (As reported on Worcester Bosch Greenstar 8000 Life/Style)

Pick your boiler brand for the 254 fix

Worcester Bosch 254 8 models

Source

Information for the 254 fault code is sourced from the official service / installation manual for each model that displays it. Read more about how we source fault codes →

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed 27 April 2026