Flatiron

Rendering of One Madison Avenue Expansion. Designed by Kohn Pedersen Fox

One Madison Avenue’s Renovation and Expansion Progresses in The Flatiron District, Manhattan

8:00 am on October 25, 2021 By Michael Young

Work continues to progress on One Madison Avenue, a 1.4-million-square-foot, 27-story office tower expansion in Midtown, Manhattan’s Flatiron District. Designed by Kohn Pedersen Fox and developed by SL Green, the project involves the construction of a steel-framed structure atop the current eight-story building, which was partially demolished and is in the process of being excavated and gutted. The property takes up a full block bound by East 23rd and 24th Streets and Madison Avenue and Park Avenue South, and sits directly adjacent to the 112-year-old Metropolitan Life Insurance Company Tower. The developers, which also include the National Pension Service of Korea and Hines, successfully acquired $1.25 billion in construction financing and are aiming to achieve both WELL and LEED Gold certification, as well as incorporating state-of-the-art HVAC and circulation systems to improve interior air quality and overall cleanliness. AECOM Tishman is serving as the general contractor.

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Flatiron Building’s Limestone and Terracotta Façade Renovation Progresses in Flatiron District, Manhattan

8:00 am on March 20, 2021 By Michael Young

Renovation work is continuing to progress on the Flatiron Building, one of Manhattan’s most famous buildings. The Flatiron District project is developed by GFP Real Estate and involves restoration of the commercial building’s limestone and terracotta envelope, the replacement of its window-hung air conditioning units with central heating and cooling, and the installation of a new sprinkler system, a second egress staircase, upgraded elevators, rooftop solar panels, and rain reclamation tanks. Designed by Daniel Burhnam and officially addressed as 175 Fifth Avenue, the 119-year-old steel-framed office building was one of the first skyscrapers to be constructed in the 20th century and rises on a thin triangular parcel wedged between Broadway and Fifth Avenue and West 22nd and West 23rd Streets. YIMBY last reported that the restoration is expected to cost between $60 and $80 million.

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Aerial Rendering of proposed alterations and rooftop pavilion at 122 Fifth Avenue - Studios Architecture

Updated Renderings Reveal Renovation Project at 122 Fifth Avenue in Union Square, Manhattan

7:00 am on January 24, 2021 By Sebastian Morris

The Landmarks Preservation Commission (LPC) is reviewing updated proposals to renovate and expand a ten-story commercial building at 122 Fifth Avenue near Union Square, Manhattan. Renderings from Studios Architecture reveal a new rooftop pavilion and extensive updates to the building’s facade at each elevation along Fifth Avenue, 17th Street, and 18th Street.

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16 West 18th Street via Google Maps

Permits Filed for 16 West 18th Street and 21 West 17th Street in the Flatiron District, Manhattan

7:00 am on February 15, 2020 By Vanessa Londono

Permits have been filed for two mixed-use buildings at 16 West 18th Street and 21 West 17th Street in the Flatiron District, Manhattan. Located between Fifth and Sixth Avenues, the butting lots are a short walk to the 14th Street-Union Square subway station, serviced by the 4, 5, 6, L, N, Q, R, and W trains. Gary Vinbaytel of Vinbaytel Developments is listed as the owner behind the applications.

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