Range from the cheapest installation of smart lighting £44 (APEX DESIGN&CONSTRUCTION MANAGEMENT LTD based in E14) to the dearest installation of smart lighting £134 (Mal Electrics based in SE15).
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 SE4 by posting a job with HaMuch and we will send it to electricians in SE4.