This west-facing, generous one-bedroom home is defined by exacting elegance and perfectlyscaled, column-free spaces. The gracious residence features an impressive twenty-eight-foot-long living and dining room with solid white oak floors and over nine-foot ceilings.

Expertly designed interiors by Foster   Partners include an grand entrance foyer with custom cove lighting and detailed millwork, beautifully proportioned rooms with large closets, and a bespoke Molteni kitchen with Blanco de Macael marble countertops and natural oak cabinetry. Opening onto a capacious entertaining space, this sophisticated kitchen features a large center island, a Gaggenau cooktop and Falmec extraction hood, a Sub-Zero refrigerator and freezer, and a Miele oven and dishwasher. A separate powder room with elegant polished-chrome Dornbracht fixtures and a well-appointed walk-in utility closet with side-by-side Miele washer and dryer conveniently sit off of the foyer.

The master bedroom boasts a luxurious en-suite bathroom with stone floors and a Kohler bathtub, as well as a ten-foot-wide window exposing the western sunsets over the Hudson River. Additionally, this unique residence is pre-wired for future installation of integrated technology with the capability to control virtually every aspect of the residential environment including lighting, shades, climate and A/V equipment.

551 West 21st Street features a private, gated drive court surrounded by a twenty -foot green wall and a dramatic, awe-inspiring thirty-four-foot, double height lobby with grand chandelier. Additional amenities include a full-time doorman and a concierge, porter and valet services, a state-of-the-art fitness center with a his and her spa, yoga room, residents' lounge, children's playroom, parking  for the residents, bike storage, a live-in super and a dedicated, separate service entrance. Occupancy anticipated for first quarter 2016.

 Subject to availability and additional cost.