Range from the cheapest installation of a carbon monoxide alarm £36 (Plumb smith based in NP12) to the dearest installation of a carbon monoxide alarm £124 (Power Full Electrical based in CF23).
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 NP18 by posting a job with HaMuch and we will send it to electricians in NP18.