Buckingham Palace, the official residence of Queen Elizabeth II in London, served as an administrative building. It was built in 1703 as Buckingham House – the London residence of Ian Sheffield, 3rd Earl of Mulgraby. Discover amazing facts about Buckingham Palace. 1. Buckingham Palace has 775 rooms, 52 royal and guest bedrooms, 19 state rooms, and 78 baths. There are also 760 windows and 1,514 doors. 2. The palace measures 108 meters by 120 meters, is 24 meters high and has over 77,000 square meters of living space. 3. More