Range from the cheapest Downlights installation £296 (Paul Brown Electrical Installer based in LA18) to the dearest Downlights installation £390 (Thomson Electrical based in CA28).
Comparing electricians estimates for Downlights installation 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 for installing downlights by posting a job to electricians in Mr.