How much does it cost to fix boiler error code L52?

Typical repair cost for the boiler L52 fault is £250-£900 including labour.

L52 High

Boiler Fault Code L52

Reviewed by the BoilerFaultCodes Editorial Team Last reviewed 27 April 2026

Fault code L52 appears across 1 boiler brand and 1 models. The exact meaning varies by manufacturer — pick your boiler brand below to see the model-specific fix.

Most common meaning Your heat pump’s engine has stopped unexpectedly and is unable to restart, meaning your heating and hot water will likely stop working. (As reported on Ideal HP290)

Pick your boiler brand for the L52 fix

Ideal L52 1 model

Source

Information for the L52 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