Range from the cheapest installation of a burglar alarm £160 (Martin's Home Solutions based in NG16) to the dearest installation of a burglar alarm £300 (DCF Electrical based in NG8).
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 DE7 by posting a job with HaMuch and we will send it to electricians in DE7.