Range from the cheapest installation of a burglar alarm £220 (Howard Sobey Electrical based in KT16) to the dearest installation of a burglar alarm £450 (A&A Cooling Ltd based in KT8).
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 KT13 by posting a job with HaMuch and we will send it to electricians in KT13.