There was a cool OddLots episode recently where they talked to a guy who does Office to Residential work and some of the complexity. One thing he talked about, which I didn't know anyone did, was to actually cut through the ceiling/floorplate of buildings to basically "donut" them. This is necessary because many office floorplans are huge with modern HVAC and when converted into residential you end up with either und…
This looks like the episode of OddLots you're talking about: https://www.bloomberg.com/news/articles/2023-07-07/what-it-a... They talk about converting 180 Water St by adding an internal atrium; it's also one of the conversions illustrated in the recent NYT article about the difficulties of office-to-residential conversions: https://www.nytimes.com/interactive/2023/03/11/upshot/office...
Also, TIL about loss factor:
> As offices, these buildings can also rent 100 percent (or even more) of their total square footage, according to the quirky math of commercial real estate.
https://therealdeal.com/magazine/new-york-february-2014/lies...