Range from the cheapest fitting of a smart camera doorbell £41 (Liam McDonagh based in CT17) to the dearest fitting of a smart doorbell £101 (KelectriC based in CT20).
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 CT21 by posting a job with HaMuch and we will send it to electricians in CT21.