Range from the cheapest Fit a new plug socket £80 (Griff Electrical based in B74) to the dearest Fit a new plug socket £130 (Volt Energy Ltd based in WS8).
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 WS4.