Range from the cheapest fitting of a smoke alarm £54 (Toogood Electrical Ltd based in BH21) to the dearest fitting of a smoke alarm £94 (Domestic Solutions based in BH31).
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 SP7 by posting a job with HaMuch and we will send it to electricians in SP7.