Formerly a barren, utilitarian rooftop, this penthouse renovation reimagines a 19th-century structure as a multi-layered garden sanctuary. Each interior room opens onto a distinct terrace, fostering seamless indoor-outdoor connections. A sculpted, multi-level design integrates Aspen groves, wildflower meadows, a sunken dining terrace, and a reflecting pool that dissolves the boundary between interior and exterior. Innovative structural and mechanical retrofits support intensive green roof systems, erasing traces of the original rooftop and evoking a "faux terra firma" above the city. Vertical trellises, subtle topographic shifts, and modulated surfaces shape
a fully immersive garden experience—offering a serene, natural counterpoint to the dense skyline of Lower Manhattan. Conceived as a spatial journey, the rooftop landscape becomes a mystical, suspended retreat in the sky.
















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Landscape Architect: HMWhite
Architect: Steven E. Blatz Architect
Architect/Designer: Antonio Pio Saracino
Structural Engineer: GAGE
Lighting: William Armstrong
MEP: Guth / Deconzo
Contractor: DSA Builders
Landscape Contractor: New York Green Roofs
ASLA–NY Chapter: 2015 Honor Award
Architizer A + Awards: 2015 Special Mention Award
Chicago Athenaeum: 2014 American Architecture Award
Interior Design Magazine: 2013 Best of the Year
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Nikolas Koenig Photography
Steven Blatz Architect
HMWhite