Britain's Most Expensive Houses

Josh digs deep into his network to close a deal on an £80m penthouse in Knightsbridge

Mark goes all-out for a glowing review of a £3.5m Scottish castle. Can he attract buyers?

In Knightsbridge, Raj juggles selling an £18m townhouse with a £27k per week rental

Agent David hopes to capture London's elite with two lavish, luxury chalets in Val d'Isère

Can Constance land her biggest deal yet: a £60m home with unrivalled views of Hyde Park?

Margaret showcases a £17m Jersey manor with Versace-style rooms and a labyrinth garden