Range from the cheapest installation of a burglar alarm £200 (SO Electrical Contractors based in N2) to the dearest installation of a burglar alarm £273 (Zani Electrics Ltd based in N2).
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 N2 by posting a job with HaMuch and we will send it to fire & security specialists in N2.