Range from the cheapest Downlights installation £240 (Argon Refrigeration Services Ltd based in MK14) to the dearest Downlights installation £450 (David Illingworth Electrician based in MK17).
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 MK13.