Range from the cheapest fitting of a smoke alarm £40 (Apro Carpentry based in RH10) to the dearest fitting of a smoke alarm £104 (Planet Kitchen Ltd based in RH5).
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 RH10 by posting a job with HaMuch and we will send it to electricians in RH10.