Range from the cheapest installation of a burglar alarm £160 (Responsible Electrical Engineers based in WA7) to the dearest installation of a burglar alarm £350 (S P Electrical Services based in CH1).
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 CH3 by posting a job with HaMuch and we will send it to electricians in CH3.