Range from the cheapest fitting of a smart camera doorbell £36 (Goldsmith & Sons based in SS17) to the dearest fitting of a smart doorbell £201 (KPC Electrical Ltd based in CM11).
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 SS13 by posting a job with HaMuch and we will send it to electricians in SS13.