On north London's prestigious Billionaires' Row, Jeremy Fine is selling Fair Hill, a £20 million mansion steeped in royal history. Spanning 13,900 square feet, it boasts six reception rooms, eight bedrooms and a nightclub-style party room. He enlists international buying agent Nick Dawson to gauge interest from his billionaire clients. In Hertfordshire, Margaret Towney helps serial property flippers Mark and Linda turn a profit on Asterley House - previously lived in by Vinnie Jones - while simultaneously hunting for their next dream home. Could Cheryl Cole's former residence be the ideal solution?