Range from the cheapest Downlights installation £313 (Allerton-EPS.co.uk based in L18) to the dearest Downlights installation £316 (Maz Electrical and Construction Ltd based in L19).
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 Grassendale.