Range from the cheapest replacement of a door frame £150 (Turner Trades based in RG30) to the dearest replacement of a door frame £220 (Chris Thomas based in RG1).
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 RG1 by posting a job with HaMuch and we will send it to carpenter & joiners in RG1.