Range from the cheapest installation of an outside power socket £4 (Emergency Electrician near Carshalton FREE VISIT URGENTLY based in SM5) to the dearest installation of a garden power socket £130 (Lyme Electrical Ltd based in SM1).
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 SM1 by posting a job with HaMuch and we will send it to electricians in SM1.