Range from the cheapest installation of a burglar alarm £160 (SH Electrics based in DA6) to the dearest installation of a burglar alarm £320 (Capitol Maintenance Limited based in DA17).
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 DA7 by posting a job with HaMuch and we will send it to electricians in DA7.