Range from the cheapest fitting of a smoke alarm £49 (TN6 Builders & Electrical based in TN6) to the dearest fitting of a smoke alarm £92 (All Aspects based in TN8).
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 TN7 by posting a job with HaMuch and we will send it to electricians in TN7.