I’ve mounted a Cu at eye level in tall cupboard unit, easy to see and reset if necessary.cruella da ville( customer ) now wants it moving 500mm up ! She’s a pain in the arse and has been all through the job ) is there a regulation I can hit her with regarding height and accessibility, I know there was something that was issued in the 15th ? Or part m of building regs ? Just so I can leave where is it make her pay to move it ! Thanks