Britain's Most Expensive Houses

John and Mary view a mega-mansion set in 40 acres for a millionaire client. Leena and Shereen line up two 'Instagrammable' apartments. Managing director Guy takes on one of his largest ever listings.

Can broker Lee find a buyer for the £17.5 million Huxley House on Billionaire's Row? And Toby's hoping to sell the £1.1 million Black House in York, complete with a car turntable.

John takes on the stunning Jelleys Hollow in the heart of the Surrey hills, featured in Beauty and the Beast and Star Wars, and can Shereen sell a £12 million penthouse on the Thames?

Polina's in full selling mode with a £4.5 million London penthouse. Can she get a sale before it even hits the market? Guy heads to Barbados to view a $40 million beachside property.