Range from the cheapest window sill replacement £440 (Antony Smith Carpentry based in TW13) to the dearest window sill replacement £600 (Eveready home improvements based in Tw18).
Comparing carpenter & joiners estimates for replacing a window sill 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 to replace a window sill in Spelthorne by posting a job with HaMuch and we will send it to carpenter & joiners in Spelthorne.