Range from the cheapest installation of a burglar alarm £160 (BUILDELECTRICS based in TW15) to the dearest installation of a burglar alarm £275 (V Marinho t/a AMV Electrical based in TW12).
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 TW14 by posting a job with HaMuch and we will send it to electricians in TW14.