Range from the cheapest Downlights installation £347 (Dreamy Electrics based in G84) to the dearest Downlights installation £354 (CC North Ltd based in G63).
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 Alexandria.