Range from the cheapest installation of outside garden lighting £145 (Gsi-Gas based in SE5) to the dearest installation of outside garden lighting £305 (Matrix Electrics based in SE21).
Comparing electricians estimates for installation of outdoor garden lighting 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 garden lighting in SE22 by posting a job with HaMuch and we will send it to electricians in SE22.