Office of the Prime Minister (Canada) as "BPM".) In addition, unlike examples such as 10 Downing Street, the White House and even Rideau Hall, the Canadian Prime Minister's official residence of 24 Sussex Drive is not widely used as a metonym for the Prime Minister's Office. This is because, unlike those examples, the Canadian Prime Minister's official residence is not the site of any bureaucratic functions. One of the most important roles of the PMO is related to government appointments, which are made by the Queen-in-Council (or Governor-in-Council), but, as Canada is a constitutional monarchy, this is done on the normally binding advice of the prime
24 Sussex Drive several years of uncertainty, in 1950 the government decided to refurbish the property as a residence for the prime minister, the renovations costing just over $500,000. Louis St. Laurent was the first to take up residence in 1951. Since then, every prime minister—except for Kim Campbell (who resided at Harrington Lake) and, to date, Justin Trudeau (who has opted to reside at Rideau Cottage pending a review of work needed to repair the house)—has resided at 24 Sussex Drive for the duration of their mandates. Previous prime ministers lived at a variety of locations around Ottawa: Sir Wilfrid Laurier and