The first JW Marriott branded hotel in the UK, this elegant townhouse overlooking Hyde Park, was once home to the Grosvenor family/Dukes of Westminster. While its heritage stems back to the Roaring Twenties, the interiors display a classic contemporary panache. Bedrooms boast king-sized beds, fully stocked minibars, marble bathrooms and Aromatherapy Associates toiletries. It has an American-style steakhouse on the ground floor and a fine dining restaurant by chef Richard Corrigan, as well as two additional eateries and bars. Do stop by The Great Room – now a meeting hall, it was once an ice rink, where none other than our monarch, Queen Elizabeth, learned to skate.