Range from the cheapest installation of a burglar alarm £100 (County Electric based in B44) to the dearest installation of a burglar alarm £300 (Electroplumb Ltd based in WS2).
Comparing electricians estimates for fitting a burglar alarm 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 a downstairs toilet in WS5 by posting a job with HaMuch and we will send it to electricians in WS5.