Range from the cheapest replacement of a door frame £217 (ETZ Wood Solutions based in SW13) to the dearest replacement of a door frame £250 (Zak aldin based in W5).
Comparing carpenter & joiners estimates for a new door frame 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 door frame in W3 by posting a job with HaMuch and we will send it to carpenter & joiners in W3.