Range from the cheapest Downlights installation £330 (PKN Mechanical Solutions based in EH22) to the dearest Downlights installation £336 (Nicholson Brothers Electrical Contractors Ltd based in EH9).
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 Portobello.