The New York City Landmarks Preservation Commission (LPC) is set to review a proposal for alterations and a rooftop addition at 144 West 80th Street, a four-story townhouse on Manhattan’s Upper West Side. Designed by DTLS Architecture, the project involves modifications to both the front and rear façades, along with the construction of a setback penthouse addition designed to minimize visibility from the street.
Plans show the addition positioned 21 feet 6 inches behind the primary street-facing façade. The proposal would retain the building’s historic front appearance while introducing a new penthouse level clad in black zinc-coated standing-seam metal. Renderings indicate that the front facade’s ornamental detailing would be restored and enhanced, while the rooftop addition would remain largely concealed from public view.
At the rear, the project calls for a substantial redesign of the existing façade, replacing the current stucco exterior with a brick-clad composition featuring larger window openings and a penthouse level above. Project materials include zoning analyses, sight-line studies, and pole-test photographs intended to demonstrate that the rooftop addition would not be visible from West 80th Street. The submission also notes that numerous neighboring rowhouses on the block have previously received rooftop additions.
The property is located between Amsterdam Avenue and Columbus Avenue within the Upper West Side/Central Park West Historic District. The closest subways from the site are the 1 train at the 79th Street station and the B and C trains at the 81st Street–Museum of Natural History station.
The proposal will be reviewed as a public meeting item on Tuesday, June 9.
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