Range from the cheapest installation of a carbon monoxide alarm £40 (Blueflame Heating and Plumbing based in WF11) to the dearest installation of a carbon monoxide alarm £124 (GES Mechanical & Electrical Ltd based in DN5).
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 DN7 by posting a job with HaMuch and we will send it to electricians in DN7.