Range from the cheapest installation of smart lighting £44 (Darian Electrical based in TQ3) to the dearest installation of smart lighting £69 (KAM based in TQ13).
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 TQ14 by posting a job with HaMuch and we will send it to electricians in TQ14.