Range from the cheapest Downlights installation £135 (Swift PAT Testing based in hu9) to the dearest Downlights installation £390 (24hr Electrical Services Ltd based in HU7).
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 HU3.