It was originally a private Palladian mansion owned by the Earl of Burlington , and was expanded in the mid-19th century after being purchased by the British government .
Burlington House is a building on Piccadilly in Mayfair , London .
Burlington House was originally a private Palladian building owned by the Earl of Burlington , and was expanded in the mid-19th century after being purchased by the British government .
Burlington House is a building on Piccadilly in Mayfair , London .