As per The Real Deal, the old building next door will be razed. It would have been nice if the two lots could be combined, but it appears to entail different developers. I always wanted a 1,000'+ Stern on this site with condos and boutique office space.
https://therealdeal.com/2019/06/04/gds-i...o-op-for-200m-in-office-conversion-play/