Range from the cheapest fitting of a smoke alarm £54 (Gutu Construction Ltd based in WD23) to the dearest fitting of a smoke alarm £98 (New Generation Electrical Services based in WD3).
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 WD18 by posting a job with HaMuch and we will send it to electricians in WD18.