Range from the cheapest Downlights installation £270 (Water Spark Property Services Ltd based in B45) to the dearest Downlights installation £370 (Litewire Solutions Ltd based in B61).
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 B45.