Range from the cheapest Downlights installation £250 (Griff Electrical based in B74) to the dearest Downlights installation £410 (A S G Electrical Solutions Ltd based in B77).
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 B78.