One Madison

One Madison Avenue’s Renovation and Expansion Project Ramps Up in the Flatiron District, Manhattan

Construction activity is underway at One Madison Avenue in the Flatiron District, where the 13-story full-block structure is being renovated and expanded with a new 18-story addition. Designed by Kohn Pedersen Fox and developed by SL Green, the project will stand 27 stories and yield 1.4 million square feet of Class A office space. Helping to develop and finance One Madison Avenue’s future are the National Pension Service of Korea and Hines, contributing a grand total of $1.25 billion in construction financing. The property is bound by East 23rd Street to the south, Madison Avenue and Madison Square Park to the west, East 24th Street to the north, and Park Avenue South to the east.

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One Madison, Northwest View

Penthouse View: Related’s One Madison

YIMBY had the opportunity to tour the penthouse at Related’s One Madison, and the unit offers everything one would expect from a $50 million apartment perched 600 feet above Madison Square Park. The sky-manse takes…

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One Madison

Construction Update: One Madison

Related’s building at One Madison continues to make progress, though the bigger story is Bruce Eichner’s recent acquisition down the block, at 43 East 22nd Street. Per The Wall Street Journal, the new tower will…

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