Hope someone can answer my query.New combi boiler installation with built in timer,240 volt wiring to room thermostat in hall, supplementary bonding to pipework at boiler and bathroom radiator.Will the electrician have to be registered with NICEIC?Which certificate shall I receive on completion?The new combi boiler will be going in the old cylinder cupboard , using the existing supply for immersion as a new switched outlet with 3 amp fuse.Will LABC have to be informed?Any answers appreciated.