Range from the cheapest installation of a burglar alarm £160 (Handyhome Services based in IP21) to the dearest installation of a burglar alarm £251 (GSB Electrical based in NR35).
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 IP20 by posting a job with HaMuch and we will send it to fire & security specialists in IP20.