Range from the cheapest installation of a burglar alarm £180 (Allsparkz based in SP10) to the dearest installation of a burglar alarm £320 (Peak Electrics based in SO20).
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 Test Valley by posting a job with HaMuch and we will send it to electricians in Test Valley.