Range from the cheapest installation of an outside power socket £86 (Matters Group based in HP6) to the dearest installation of a garden power socket £92 (Electromate Services Limited based in HP6).
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 Amersham by posting a job with HaMuch and we will send it to electricians in Amersham.