Range from the cheapest replacement of a door frame £180 (Styleline Interiors based in SP10) to the dearest replacement of a door frame £300 (K E Sainsbury Builders based in Sp3).
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 SP4 by posting a job with HaMuch and we will send it to carpenter & joiners in SP4.