My hunch is that concept by Marzotto Architects is not serious (anymore). But would be neat to see someone restore the building properly, including the lost turret. My old high school friend, who's of the current day Heydon family, would be proud.
Some more history on the original Heydon House, the Drake Hotel of its day!
Heydon House, corner of St. Clair W. and (Old) Weston Road, Moores Limited Drugs sign, streetcar in loop behind garage. Photographer Arthur S. Goss. Source: City of Toronto Archives Salmon 1110 The…