5

This luxury hotel, opened by King George V in 1927, is a 3-minute walk from Green Park tube station, and an 8-minute walk from the shops on Oxford Street.

Plush rooms with Sicilian marble bathrooms feature flat-screen TVs, ergonomic work areas and free Wi-Fi. Executive rooms add Nespresso machines. The airy, opulent suites, ranging from studios to 3-bedroom units, add sitting and dining areas. Many offer kitchenettes, fireplaces, home cinema systems and or balconies.