Range from the cheapest Downlights installation £332 (Matt Payne Electrical Ltd based in SP2) to the dearest Downlights installation £340 (D & N Maintenance Ltd based in SP1).
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 Salisbu.