24 Sussex Drive has also been proposed. The designation as a federal heritage building, though not legally binding, would probably protect it against such a measure. 24 Sussex Drive 24 Sussex Drive, originally called "Gorffwysfa" and usually referred to simply as 24 Sussex, is the official residence of the Prime Minister of Canada, located in the New Edinburgh neighbourhood of Ottawa, Ontario. Built between 1866 and 1868 by Joseph Merrill Currier, it has been the official home of the Prime Minister of Canada since 1951. It is one of two official residences made available to the prime minister, the Harrington Lake estate in
Orielton, Harrington Park knighted, "Orielton's" windows were boarded up and some parts of the estate were used for goat farming. Realignment of The Northern Road to the east in the 1970s including a new bridge over Narellan Creek east of the previous one, led to the cutting off of "Orielton's" (south-eastern-running) main drive (towards Narellan Creek). A new extension was added, making the drive a "V" shape and joining the Northern road further north, roughly in line but to the east of the main homestead and farm management complex. The subdivision of "Harrington Park" in the 1990s for urban development has visually encroached