Range from the cheapest installation of a burglar alarm £160 (Cader Electric based in LL40) to the dearest installation of a burglar alarm £245 (J R Electrical based in LL49).
Comparing fire & security specialists 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 Harlech by posting a job with HaMuch and we will send it to fire & security specialists in Harlech.