Range from the cheapest Downlights installation £250 (Richard Hamilton based in FK1) to the dearest Downlights installation £470 (LDPS based in FK7).
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 Cumbernauld.