Osborne serves up Oxford castle Amber Rolt09/10/2015 | Investment/finance | OxfordshirePrintDownload A Norman-era medieval castle in Oxford that has been converted into a hotel has been put up for sale by Trevor Osborne’s Osborne Group for £42m. The developer has instructed JLL to Thank you for reading EG Want to read more? Enjoy a story a week for FREE. Register Find Out More Already a subscriber or registered user? Sign in