Range from the cheapest Downlights installation £260 (Blueflame Heating and Plumbing based in WF11) to the dearest Downlights installation £440 (RLK Electrical LTD. based in DN14).
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 YO19.