Range from the cheapest Downlights installation £290 (E O'Connor Electrical Contractor based in LU3) to the dearest Downlights installation £440 (Lloyd Wallace Property Maintenance and repairs based in LU2).
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 LU2.