Range from the cheapest replacement of a door frame £200 (Spaces & Places based in SL6) to the dearest replacement of a door frame £300 (Zamir Mohammed based in SL1).
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 SL1 by posting a job with HaMuch and we will send it to carpenter & joiners in SL1.