Range from the cheapest installation of a burglar alarm £210 (F.D Electrical based in TW7) to the dearest installation of a burglar alarm £850 (ThePlumbers.org based in TW7).
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 Heston by posting a job with HaMuch and we will send it to electricians in Heston.