Range from the cheapest installation of a burglar alarm £180 (S Quarrie based in IG8) to the dearest installation of a burglar alarm £490 (Iservices-uk Ltd based in E17).
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 IG8 by posting a job with HaMuch and we will send it to electricians in IG8.