How much does it cost to fix boiler error code 1 to 24?

Typical repair cost for the boiler 1 to 24 fault is £150-350 including labour.

1 to 24 High

Boiler Fault Code 1 to 24

Also written as 1TO24 — same fault.

Reviewed by the BoilerFaultCodes Editorial Team Last reviewed 27 April 2026

Fault code 1 to 24 appears across 1 boiler brand and 2 models. The exact meaning varies by manufacturer — pick your boiler brand below to see the model-specific fix.

Most common meaning Your boiler has detected a general internal fault that requires a specialist to correctly identify and resolve. (As reported on Ideal Concord CXC 48 116)

Pick your boiler brand for the 1 to 24 fix

Ideal 1 to 24 2 models

Source

Information for the 1 to 24 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