Range from the cheapest replacement of a door frame £180 (Leo McGirr Carpenter based in N7) to the dearest replacement of a door frame £260 (KTJ Hughes based in NW6).
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 N2 by posting a job with HaMuch and we will send it to carpenter & joiners in N2.