425 Park Avenue

Structural Framework Finished for 425 Park Avenue’s Parapet Fins, in Midtown East

YIMBY last checked in on the construction progress and installation of the structural frames for 425 Park Avenue‘s trident of parapet fins back in August. Now all three are in place above the flat roof of the 47-story, 897-foot-tall Midtown East structure. The office tower is designed by Norman Foster, head of Foster + Partners, and is being developed by L&L Holding Company LLCAdamson Associates is the architect of record.

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Norman Foster’s 425 Park Avenue Heads for 897-Foot Pinnacle Above Midtown East

Construction on 425 Park Avenue in Midtown is charging ahead toward completion, with the upper floors now taking shape. The 47-story, 897-foot-tall building is designed by Norman Foster, head of Foster + Partners, and is being developed by L&L Holding Company LLCAdamson Associates is the architect of record. The final major elements yet to be assembled are the three glass fins that will stand atop the flat roof parapet. This architectural detail will define the tower among the surrounding buildings, especially when illuminated at night.

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Norman Foster’s 425 Park Avenue Officially Tops Out 897 Feet Atop Midtown East, Manhattan

425 Park Avenue held its official topping-out ceremony on December 3, 2018. Its architect Lord Norman Foster, head of Foster + Partners, along with several keynote speakers including David Levinson of L&L Holding Company LLC and Masaoki Kanematsu of Tokyu Land Corporation spoke at the reception, held on the 20th floor of the the building’s first and largest tiered setback. The 41-story, 897-foot tall building is the 17th-tallest building under construction in New York City, and has grown out of the old remains of the original structure that formerly stood on site. The un-demolished section is being repurposed as part of Midtown’s first new full-block office skyscraper in over 50 years. The tower is being developed by L&L Holding Company LLC while Adamson Associates is the architect of record.

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425 Park Avenue. with concrete reaching the top floor and steel just fifteen floors below, image by Andrew Campbell Nelson

425 Park Avenue’s Concrete Core Reaches Top Floor in Midtown East

Construction is moving fast for 425 Park Avenue, as is the curtain wall. The new Midtown office tower rising on Manhattan’s most prestigious thoroughfare saw steel begin climbing rapidly as soon as construction breeched the original partially-demolished extant structure. As it now stands, topping out appears imminent. The concrete core has reached the top floor, while the steel has 15 more stories remaining before its final 41st level. L&L Holding Company is responsible for the development.

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