You'll find some great English country-house furniture in varying states of repair, paintings, prints, carpets, lighting, plus all manner of bona fide treasures. It's amazing what can be classed as infinitely desirable with surprising price tags: the blue door from the film Notting Hill and the blue pinafore dress worn by Judy Garland in Wizard of Oz went for a record £5,750 and £199,500, respectively. Tube: S. Kensington.