Demolition preparation at 270 Park Avenue in Midtown East continues to make headway, and today, YIMBY has the first renderings of Foster + Partners Architects’ planned headquarters for JPMorgan Chase. The supertall is apparently set to stand 1,425 feet to its rooftop, which would make it the third-tallest building by roof height in New York, at least ranked among current buildings. A tipster sent YIMBY images of the model for the project, alongside a rendering of what could be the final design for the highly anticipated supertall. Adamson Associates is listed as the architect of record.

The featured rendering is a view of Midtown looking west at 270 Park Avenue and the surrounding supertalls such as One Vanderbilt, Tower Fifth, and the skinny residential towers of Billionaires’ Row. The eastern profile of the building appears as a flat elevation, but the tower has a totally different silhouette when looking at the northern and southern faces. Large diagonal beams that span a great amount of floors make up the architectural profile of the eastern and western sides of 270 Park Avenue.

The proposed diagram below shows the short ends of the structure, and further illuminates the staggered setback design with floor plates getting narrower with height, eventually culminating with a narrow top and roof parapet.

The color coding indicates that trading floors will occupy the lower and larger bulk of 270 Park Avenue, with a couple of multi-story atrium spaces near the middle of the floor plates. Above that are large mechanical floors, and from there are several landscaped, two-story amenity levels that are positioned around the first of the setbacks. Most of the regular office floors are in the center of the skyscraper, and are separated by more multi-level mechanical and amenity spaces with high ceilings. The setbacks proliferate further in the uppermost levels of the supertall, culminating in what appears to be a hollow crown.

270 Park Avenue is set to yield about 2.5 million gross square feet of newly built space, and the latest plans indicate an architectural peak 1,425 feet above ground. That would put it 24 feet above One Vanderbilt’s parapet, but about 125 feet below Macklowe’s Tower Fifth, which is featured to the right of 270 Park Avenue in the top rendering.

A completion date for 270 Park Avenue has not been announced yet.

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