Range from the cheapest installation of a burglar alarm £180 (J.R. Electrical based in TF2) to the dearest installation of a burglar alarm £650 (JG Builders based in WV10).
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 TF3 by posting a job with HaMuch and we will send it to electricians in TF3.