Range from the cheapest installation of a burglar alarm £256 (Abco Rewinds based in ML1) to the dearest installation of a burglar alarm £264 (D Barton Electrician based in ML2).
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 ML2 by posting a job with HaMuch and we will send it to fire & security specialists in ML2.