Range from the cheapest installation of a burglar alarm £140 (PHE Services based in SL1) to the dearest installation of a burglar alarm £340 (DKD Electrics based in SL4).
Comparing fire and 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 burglar alarm in SL4 by posting a job with HaMuch and we will send it to fire and security specialists in SL4.