Range from the cheapest installation of a burglar alarm £180 (Macs/elec based in NR26) to the dearest installation of a burglar alarm £315 (JSF Electrical Services Ltd based in NR10).
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 NR25 by posting a job with HaMuch and we will send it to electricians in NR25.