Range from the cheapest replacement of a door frame £150 (Rafs based in ME15) to the dearest replacement of a door frame £250 (Hyde Building Ltd based in DA2).
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 ME7 by posting a job with HaMuch and we will send it to carpenter & joiners in ME7.