How much does it cost to fix boiler error code 57?

Typical repair cost for the boiler 57 fault is £90-180 including labour.

57 High

Boiler Fault Code 57

Reviewed by the BoilerFaultCodes Editorial Team Last reviewed 27 April 2026

Fault code 57 appears across 1 boiler brand and 4 models. The exact meaning varies by manufacturer — pick your boiler brand below to see the model-specific fix.

Most common meaning Your heater is getting too hot because the air cannot flow through the system properly, causing it to shut down for safety. (As reported on Johnson Starley C16d)

Pick your boiler brand for the 57 fix

Johnson Starley 57 4 models

Source

Information for the 57 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