Range from the cheapest installation of a burglar alarm £200 (WS Builders & Maintenance Ltd based in NW7) to the dearest installation of a burglar alarm £340 (Beverley-Perkins Services Ltd based in NW7).
Comparing electricians 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 Mill Hill by posting a job with HaMuch and we will send it to electricians in Mill Hill.