Range from the cheapest fitting of a smoke alarm £50 (V&R electrical services based in M35) to the dearest fitting of a smoke alarm £164 (SLC ELECTRICAL & BUILDING SERVICES LIMITED based in M16).
Comparing electricians estimates for fitting smoke detectors 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 fit a fire alarm in M25 by posting a job with HaMuch and we will send it to electricians in M25.