Garden of 10 and 11 Downing Street
The garden of 10 and 11 Downing Street is an L-shaped garden, 1⁄2 acre (0.2 ha) in size, behind the official residences of the Prime Minister of the United Kingdom and the Chancellor of the Exchequer, 10 and 11 Downing Street in the Whitehall district of the City of Westminster in central London. The garden has been gradually developed over the 20th century under successive prime ministers.