Range from the cheapest installation of a burglar alarm £160 (Dtechfm based in CH7) to the dearest installation of a burglar alarm £300 (Wyn Edwards Electrical based in LL18).
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 LL16 by posting a job with HaMuch and we will send it to electricians in LL16.