Range from the cheapest installation of a carbon monoxide alarm £49 (Richard P Electrical Contractor based in BR2) to the dearest installation of a carbon monoxide alarm £174 (Bromley handyman based in BR2).
Comparing electricians estimates for fitting a carbon monoxide detector 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 install carbon monoxide alarm in BR4 by posting a job with HaMuch and we will send it to electricians in BR4.