Atop a landmarked Beaux-Arts building dating to the turn of the 20th century in Manhattan’s Carnegie Hill, a pavilion rises above the roof, its clean lines and vast windows unabashedly announcing this as a brand new luxury penthouse.

The Wales Hotel was built in 1899 and operated as a hotel until recently, when it was converted to condominium use. Historic preservation consultant Bill Higgins, principal at Higgins Quasebarth & Partners LLC, advised the owners and developers during the building’s restoration and conversion.

“New York is a vertical city,” he says. “So, it is logical to build up when creating space.”


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