High Quality Content by WIKIPEDIA articles! Walter Carsen Centre in Toronto, Canada is a building at 470 Queen`s Quay West on the Toronto water front. The lower levels house the headquarters of the National Ballet of Canada and the ballet`s rehearsal space. The facility has 8,825 square metres of space, more than the Four Seasons Centre where the ballet performs. Previously the ballet had been based at St. Lawrence Hall and scattered other buildings through the downtown core. Built in 1995, it was named to honour patron of the arts Walter Carsen who donated 1.5 million towards its construction.