Range from the cheapest Downlights installation £351 (Culbin Energy based in IV36) to the dearest Downlights installation £370 (Ridgeline Electrics based in PH26).
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 Nairn.