Buckingham Palace is the London residence and administrative headquarters of the monarch of the United Kingdom. Located in the City of Westminster, the palace is often at the centre of state occasions and royal hospitality. Address: Westminster, London Height: 24 m Architectural style: Neoclassical architecture Architects: John Nash, Aston Webb, Edward Blore, William Winde, Thomas Cubitt Did you know: There are more than 350 clocks and watches in Buckingham Palace, one of the largest collections of working clocks anywhere.