Range from the cheapest fitting of a smoke alarm £64 (John Wood based in ME8) to the dearest fitting of a smoke alarm £114 (Voltage Electrical Services (UK) Ltd based in ME14).
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 ME17 by posting a job with HaMuch and we will send it to electricians in ME17.