Britain's Most Expensive Houses

Company director Jason has personal reasons for winning a Northumberland property

The company's UK director Jason is determined to bag a very personal listing, Otterburn Castle in Northumberland, which was once owned by his great-great-great-great-grandfather - and pulling out all the stops, he even brings along his mum to convince the current owner that he is the broker for the job. Constance tries to find a London penthouse with a great view for Italian first-time buyers Alessandro and Ilenia, while John takes on a stunning property in the Surrey hills which was featured in Beauty and the Beast and Star Wars