Range from the cheapest fitting of a smoke alarm £64 (SO Electrical Contractors based in N2) to the dearest fitting of a smoke alarm £98 (Zani Electrics Ltd based in N2).
Comparing fire & security specialists 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 Hampstead by posting a job with HaMuch and we will send it to fire & security specialists in Hampstead.