Range from the cheapest Downlights installation £290 (Chris Soulsby Electrical Services Ltd based in TA13) to the dearest Downlights installation £326 (Brite Knight Electrical based in TA12).
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 Martock.