Range from the cheapest installation of a carbon monoxide alarm £54 (Yardley Electrical Services based in NN12) to the dearest installation of a carbon monoxide alarm £114 (Emmanuel Martey based in NN8).
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 NN4 by posting a job with HaMuch and we will send it to electricians in NN4.