Range from the cheapest Downlights installation £120 (24hr Electrical Services Ltd based in HU7) to the dearest Downlights installation £440 (Power Sonic Ltd based in YO25).
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 YO25.