Property Location Located in London (London City Centre), Citadel Apartments Lancaster Gate is within a 15-minute walk of Kensington Gardens and Kensington Palace. This 4-star apartment is 2.2 mi (3.6 km) from Natural History Museum and 2.3 mi (3.8 km) from Buckingham Palace.Rooms Make yourself at home in one of the 2 guestrooms, featuring kitchens with refrigerators and ovens. Flat-screen televisions with digital programming provide entertainment, while complimentary wireless Internet access keeps you connected. Conveniences include separate sitting areas and microwaves, and housekeeping is provided weekly.