How much does it cost to fix boiler error code None?

Typical repair cost for the boiler None fault is £120-200 including labour.

None High

Boiler Fault Code None

Also written as NONE — same fault.

Reviewed by the BoilerFaultCodes Editorial Team Last reviewed 7 July 2026

Fault code None 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 is struggling to accurately measure the temperature of the water being heated, which is preventing it from running your heating and hot water properly. (As reported on Ideal Independent C24)

Pick your boiler brand for the None fix

Ideal None 2 models

Source

Information for the None 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 7 July 2026