Range from the cheapest installation of a burglar alarm £200 (W K D Electrical Specialists Ltd based in N13) to the dearest installation of a burglar alarm £350 (Romex Building Service based in N22).
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 N22 by posting a job with HaMuch and we will send it to electricians in N22.