Range from the cheapest Downlights installation £91 (Daniel Hall Electrical Services based in NE23) to the dearest Downlights installation £390 (Kev Winskill based in NE29).
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 Killingworth.