Range from the cheapest Downlights installation £250 (Gisbourne Electrical based in GL2) to the dearest Downlights installation £346 (Cotswold Electrical Est 1995 based in GL5).
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 GL14.