I am currently building a single storey extension, creating a lounge and utility. The electrician has told me he will put a 2nd c.u in the extension to supply all new wiring. My problem is having looked at my old c.u it has no RCD only a main switch. Will i have to change the existing board?
A big cost that may need budgeting in![/b]
A big cost that may need budgeting in![/b]