Vanbarton Group is seeking to convert a 27-story office building on E. 43rd St. into an apartment one, adding six stories in the process. ( Rendering: Gensler) Office-to-Rez Conversion Coming to E. 43rd St. Tower Another commercial-to-residential tower conversion is coming to Midtown, this one at 6 E. 43rd Street. Vanbarton Group, which... News 03 Dec 2025 | 05:51