Range from the cheapest window sill replacement £300 (RLUK & Co.Ltd based in IG3) to the dearest window sill replacement £600 (Gusttydo Ltd based in RM10).
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 Harold Hill by posting a job with HaMuch and we will send it to carpenter & joiners in Harold Hill.