The centrally located One King West at the prestigious intersection of King and Yonge stands as a designated Ontario Heritage Building. At the time of its construction in 1914 it was one of the tallest buildings in Toronto at 12 storeys tall. And then in 2006 it reopened as a hotel and condominium residence with 51 storeys and over 300 suites. Last week One King West unveiled their new executive hospitality suite, the Fifteen Hundred on the 15th floor. As…