Range from the cheapest Downlights installation £341 (Craig Holloway Electrical Ltd based in OX3) to the dearest Downlights installation £350 (Electric 88 Ltd based in OX33).
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 Marston.