Range from the cheapest installation of a burglar alarm £150 (Robin Greenfield based in HP10) to the dearest installation of a burglar alarm £450 (Whizz Sparks Limited based in UB8).
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 Slough by posting a job with HaMuch and we will send it to electricians in Slough.