Range from the cheapest installation of an electric radiator £179 (Gsi-Gas based in SE5) to the dearest installation of an electric radiator £379 (Matrix Electrics based in SE21).
Comparing electricians estimates for fitting electric radiators 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 electric radiator heaters in SE22 by posting a job with HaMuch and we will send it to electricians in SE22.