Installation that don't need to meet the requirements

non-residential, for example for a commercial building, shop, school, or office
an electric or gas gravity-fed water heater of up to 250 litres installed in a roof space
a like-for-like replacement under warranty
only supplying a shed, garage or swimming pool
a temporary electric water heater of up to 55 litres that is providing water heating for up to 60 days while waiting for a new, compliant water heater
a secondary electric water heater of up to 55 litres that isn’t supplying a shower or bath
shared between multiple units, flats or apartments in a multi-storey building
repairing or replacing a single major component of a solar or electric heat pump.

Page last updated 1 March 2023