Hugh ascends a Victorian water tower in Surrey, travels to a wild island fortress with a private nightclub in Wales, and visits a 15th-century castle with a windowless turret room

Hugh visits a fun-packed modern city mansion, an arty Welsh 16th-century manor house and a 40-room stately home preparing for the new generation to move in

Hugh visits a fantasy labyrinthine bungalow with a throne room, a modern eco mansion with a living roof, and a pioneering Jacobean stately pile with a helicopter, private train and home cinema

Hugh visits A modern mansion with views of the sea in Devon, a Jacobean hunting lodge in Worcestershire that has been given a modern makeover by owners that still do not know how many rooms there are, and a 16th-century stately pile in Suffolk with stunning period features and ancestral history, as well as a tiny cocktail bar hidden under the stairs.