Range from the cheapest installation of an outside power socket £50 (HGL based in BD10) to the dearest installation of a garden power socket £64 (John Sharp Electrical based in BD17).
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 D17 by posting a job with HaMuch and we will send it to electricians in D17.