Andrew, Charlie and Shaynna are about to face their greatest challenge in a thrilling double-episode makeover. "Old Linton" is a country manor in Yass, which boasts 46 rooms, including a library, stables and a ballroom! The interior of the house spans almost an acre. This historic house was a Gatsby-style mansion in the 1920s and a home for injured war veterans in the 1940s. Now owners Karina and Stephe are struggling with the upkeep of this massive property. It's time to sell up – but who would take on a crumbling castle in the middle of the countryside? Andrew must think outside the box for this one. A property of this scale needs a global marketing strategy, so Andrew returns to his old stomping ground – Mother England. After touring some of Blighty's most historic houses, Andrew realises the English really know how to reinvent old country manors. He decides the best approach is to market "Old Linton" as a B&B. It's up to Charlie and Shaynna to bring back the grandeur of this historic home and make it a gorgeous place to stay – without breaking the owners' bank balance.