Britain’s Most Expensive Houses

The show that takes a lavish peek into extraordinary properties returns. Broker Josh digs deep to close a deal on an £80 million penthouse in Knightsbridge.

Can Mark attract buyers for a £3.5m Scottish castle? A Jersey mega mansion costs a cool £21m. And will Ian's bold moves pay off on an 11-acre, five-bed Cornish cottage?

In Knightsbridge, Raj juggles selling an £18m townhouse with a £27k per week rental. In Stratford-upon-Avon, Jonathan markets a home with a jetty onto the Avon river.

Can David capture London's elite with two lavishly luxury chalets in Val d'Isère? And Fine & Country agent Margaret's £10m Hertfordshire mansion catches Hollywood's eye.

Adrian takes a unique rent before you buy approach on a £14.95m coastal retreat. And can Constance land her biggest deal, a £60m home with unrivalled view of Hyde Park?

Margaret showcases a £17m manor in Jersey complete with Versace style reception rooms, a wine cellar and a labyrinth garden. And theres a tense valuation in Cornwall.

A £20m former home to royalty is up for sale on Hampstead's Billionaires' Row. There's a hunt for an X-factor home. And what impression will a £3.5m upside-down seaside property make?

Can Josh seal a £15 million deal in Sandbanks and also bag his client a new place? George Washington's ancestral home goes up for sale. And a £3 million Essex home needs selling, fast!