Range from the cheapest fitting of a smoke alarm £54 (Askelly Electricals based in SR8) to the dearest fitting of a smoke alarm £94 (Robbie Electrical Services Ltd based in SR6).
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 SR7 by posting a job with HaMuch and we will send it to electricians in SR7.