Renderings by Hayes Davidson and images by Peter Murdock; courtesy of Douglas Elliman

Once home to the Steinway & Sons piano company, the landmarked building at 111 West 57th Street was acquired by developers JDS Development, Property Markets Group, and Spruce Capital Partners in 2013 for $217.5 million and has since become incorporated into SHoP Architects’ super-slender supertall tower rising next to it. Originally built in 1925, the Beaux-Arts building will house the lobby for the luxury tower and a small number of apartments, including this 5,200+ square-foot duplex penthouse that just listed for $21 million.

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The living room of the 43rd-floor unit; Photo by Peter Murdock

The skinny skyscraper perfectly positioned over Central Park has officially topped out at 1,428 feet, becoming the world’s second tallest residential building. Designed by SHoP Architects, 111 West 57th Street’s super-slender frame allows each of the 46 full-floor and duplex condos to feel like a penthouse. In addition to the Billionaires’ Row tower reaching its pinnacle height at 91 stories, new images released Tuesday provide a first look inside the residences, with 360-degree views of Manhattan and bold interiors conceived by Studio Sofield.

See inside the supertall

The race to build the tallest residential building in the world has long been underway along Billionaires’ Row, but 111 West 57th Street not only boasts height (at 1,428 feet it’ll surpass the current record holder, 1,396-foot 432 Park Avenue until the 1,500-foot Central Park Tower tops out) but a frame that is so slender (a ratio of 1:24) it garners it the title of skinniest skyscraper in the world. And after six years watching the development unfold, listings have finally gone live for the 46-unit condo, first spotted by Curbed. The first batch includes seven units, six of which are three-bedrooms ranging from $18 to $30 million, along with a $56 million penthouse.

Ogle the floorplan porn

Here’s a new set of images of Property Markets Group‘s and JDS Development’s 111 West 57th Street. In case you haven’t been paying attention, the highly-anticipated tower will be among the tallest residential skyscrapers in the world, climbing some 1,421 feet high to its tip. Designed by SHoP Architects, the feathery spire is sheathed in terra cotta, bronze and a glass curtain wall. The tower will be the most slender skyscraper in the world with a height to width ratio of 24:1.

More renderings ahead