Real estate expert Phil Spencer visits the opulent, palatial Chatsworth House in Derbyshire, in all its gilded glory. The palace has been the family seat of the Cavendish family and the Dukes of Devonshire for more than 350 years. The 11th Duke is on hand to provide a guided tour, while Phil gets his hands dirty and helps out with one of several ground-breaking garden features.

Architecture expert Phil Spencer visits the magnificent Hampton Court Palace, just outside London, once the historic home of King Henry VIII. After 500 years of royal rebuilding, Phil discovers a building that's a fusion of styles. He explores the palace's labyrinth of rooms, learns the building's construction secrets and hears how much it costs to maintain and run such a palatial site.

Real estate expert Phil Spencer visits the sumptuous Harewood House, near Leeds, a stately home which looks out over 1000 acres of glorious West Yorkshire landscape. The house was built in 1759 by a dream team of architects and features over 150 rooms and a library containing 11,000 books. Phil finds out how much this masterful collaboration cost and what it takes to run the house today.

Architecture fan Phil Spencer heads to his home county of Kent and visits the 900-year-old Leeds Castle, also known as 'Lady's Castle'. He discovers that there's much more to this mysterious and history-laden fort than he imagined. Over its long history, this fairytale palace has played host to sword-wielding knights and swashbuckling Hollywood stars, as well as British royalty.