Range from the cheapest installation of a burglar alarm £170 (KBR Electrical based in SG1) to the dearest installation of a burglar alarm £350 (L.A.L Gas Engineering and Property Maintance based in SG5).
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 SG4 by posting a job with HaMuch and we will send it to electricians in SG4.