Range from the cheapest installation of a burglar alarm £245 (Ian's Electrics based in KY16) to the dearest installation of a burglar alarm £250 (G.C. Electrical based in DD5).
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 DD6 by posting a job with HaMuch and we will send it to fire & security specialists in DD6.