Range from the cheapest installation of an outside power socket £40 (Acorn Electrics Ltd based in HR7) to the dearest installation of a garden power socket £130 (SBF Services based in WR3).
Comparing electricians estimates for installing an outside RCD socket 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 to install an outside power socket in WR6 by posting a job with HaMuch and we will send it to electricians in WR6.