Taj 51 Buckingham Gate Suites and Residences In the heart of Westminster, close to Buckingham Palace, these 5 AA Red Star luxurious suites are served by 3 acclaimed restaurants and the award-winning Spa at 51. 51 Buckingham Gate, Taj Suites and Residences combine privacy with 5-star luxury. All stylish suites have well equipped kitchens and separate living areas with satellite TV and a DVD player. Many overlook the courtyard gardens. Guests can also benefit from concierge services.