Feature

One Liberty Place from Cira Green. Photo by Thomas Koloski

Designing One Liberty Place, the Tower that Transformed Philadelphia’s Skyline

One Liberty Place at 1650 Market Street is an intricately designed skyscraper has dominated the skyline of Center City for over three decades. Designed by Murphy/Jahn and developed by Rouse and Associates, the tower is clad in a pattern of stone, metal, and glass that rises up to the angled crown and the thin spire. The tower first rose to its final 61-story height in the beginning of 1987, when the top floor was assembled beneath the future spire. Philly YIMBY looks back at the design process by architect Helmut Jahn via drawings from 1984, which show multiple design iterations.

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How One Liberty Place Revolutionized the Philadelphia Skyline

In August 1987, the 945-foot-tall One Liberty Place officially opened at 1650 Market Street as Philadelphia’s tallest skyscraper, soaring above the long-held unofficial height limit of 548 feet, set by the tower of City Hall in 1901. This remarkable skyscraper with a fantastical design ultimately led to the city gaining a new cluster of tall and massive skyscrapers that define the skyline to this day. In this feature, Philadelphia YIMBY explores the building’s progress from concept to reality, as well as its tenure as the city’s tallest skyscraper for 31 years.

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1826 Chestnut Street. Looking southeast. Credit: Goodman Properties

Conceptual Renderings Revealed for a 42-Story Tower at 1826 Chestnut Street in Rittenhouse Square, Center City

A few days ago, SkyscraperPage user FairmountFellow revealed a pair of renderings showing a skyscraper situated atop an existing prewar building at 1826 Chestnut Street in Rittenhouse Square, Center City. The image, which the user allegedly “saw in a local cooperative presentation,” revealed no further information, yet various clues offer more details. The building shows a floor count of around 42 stories, and its location next to the recently proposed skyscraper at 113-121 South 19th Street suggest a height of roughly 550 feet. In the image corner is the partial logo of Goodman Properties, which has a page for the building on its website. It is unclear whether Goodman intends to develop the building as pictured or if it is a conceptual presentation geared to attract investors.

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