Range from the cheapest Rewire a house £3300 (Cader Electric based in LL40) to the dearest Rewire a house £3725 (J R Electrical based in LL49).
Comparing electricians estimates for rewiring a house gives you an idea of who will be better value but the best way to compare costs is to get actual quotes.
What to do - Get rates and quotes for rewiring your home by posting your job to electricians in Harlech.