Range from the cheapest Downlights installation £353 (Stansted Electrical Services Limited based in SG9) to the dearest Downlights installation £360 (CJK Electrical (UK) Ltd based in SG12).
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 Standon.