Range from the cheapest Downlights installation £240 (JCD Electricals based in PO12) to the dearest Downlights installation £440 (Domestic Electrician Ltd based in PO14).
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 PO1.