Range from the cheapest Downlights installation £240 (MH Plumbing Heating & Electrical Services based in HD9) to the dearest Downlights installation £370 (NDS Electrical & Security Ltd based in WF4).
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 HD9.