Range from the cheapest Downlights installation £290 (ST Power Solutions based in OL4) to the dearest Downlights installation £314 (Holly Tree Maintenance Ltd based in OL1).
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 OL1.