Range from the cheapest installation of a carbon monoxide alarm £64 (T K Electrics based in EN1) to the dearest installation of a carbon monoxide alarm £124 (Moffat Electrical based in EN3).
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 EN3 by posting a job with HaMuch and we will send it to electricians in EN3.