Range from the cheapest fitting of a smart camera doorbell £61 (T K Electrics based in EN1) to the dearest fitting of a smart doorbell £161 (Pegstone Ltd based in N9).
Comparing electricians estimates for fitting a smart Ring style doorbell 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 fit a smart WiFi doorbell in EN1 by posting a job with HaMuch and we will send it to electricians in EN1.