Once described by Pevsner as having 'the most glorious Georgian interior of Wiltshire', Wardour Castle has been brought back to life with the lightest of touches by John Pawson. His unobtrusive Minimalism allows the Palladian detailing of James Paine's original to speak for itself. A head-turning collaboration between Pawson and owner Nigel Tuersley, turned the very heart of this vast late Georgian villa into a very different kind of building