Range from the cheapest fitting of a smart camera doorbell £33 (SR Gas and Electricity LTDG Ltd based in KT5) to the dearest fitting of a smart doorbell £141 (Spectrum Electrical Services based in KT10).
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 KT7 by posting a job with HaMuch and we will send it to electricians in KT7.