Range from the cheapest Downlights installation £344 (NS Electrics based in TN2) to the dearest Downlights installation £355 (Hollywood Electrical & Maintenance Ltd based in TN4).
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 Rusthall.