Range from the cheapest installation of smart lighting £44 (E7 Electrical Ltd based in E6) to the dearest installation of smart lighting £184 (Mr Kilowatt based in SE28).
Comparing electricians estimates for upgrading to smart lighting 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 smart lighting in SE28 by posting a job with HaMuch and we will send it to electricians in SE28.