A pair of residential towers flanking New York City's iconic High Line have been devised by London architect Thomas Heatherwick. The project at 515 West 18th Street, to be developed by Related Companies, features windows bulging out from a masonry frame, a reinvention of the area's defining warehouse vernacular.

515 West 18th Street, image via Heatherwick Studio

"With a site crossing both sides of the High Line there was a unique opportunity to celebrate the urban texture of the elevated park and the distinct character of the Chelsea neighbourhood," reads a statement by Thomas Heatherwick on the Heatherwick Studio website. "The studio wanted to create a new kind of panoramic visual connection for the building’s residents and re-conceived the residential bay window as a three-dimensional sculpted piece of glazing that provides light-filled interiors as well as exciting internal moments."

The two buildings — 22 and ten storeys in height — differ in size to capitalize on views of the Hudson River. The luxury condominium building will hold 181 units and 17,000 square feet of retail and gallery space. Expectant amenities include a fitness centre, spa, entertainment spaces and 175 onsite parking spaces.

515 West 18th Street, image via Heatherwick Studio

"At the smallest scale the raw brick exterior, influenced by Chelsea’s heritage of industrial brick buildings, will give a handmade feel and micro texture to the facade," says Heatherwick. "At the largest scale, the use of the three-dimensional windows will add another distinctive layer of textural character to the fabric of the city."

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