Range from the cheapest Fit a new plug socket £100 (G.Tagg based in IP31) to the dearest Fit a new plug socket £170 (Chase Electrical based in IP14).
Comparing electricians estimates for a Fit a new plug 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 by posting your job to fit a plug socket to electricians in IP14.