Range from the cheapest window sill replacement £400 (O'flynn Carpentry & Joinery based in CR0) to the dearest window sill replacement £452 (All Spruced Up based in SE26).
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 Penge by posting a job with HaMuch and we will send it to carpenter & joiners in Penge.