Upper East Side Triplex

New York, New York

Interior Designer: Owner
Contractor: Peter Cosola, Inc
Photographer: Francesco Lagnese

Winner of the 2019 Stanford White Award
Interior Architecture & Design

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A detailed architectural floor plan of a Triplex on the Upper East Side shows rooms labeled as master bedroom, master bath, study, gym, laundry, den, guest bedroom, stair hall, gallery, foyer, pantry, kitchen—with doors and furniture layout visible.
Architectural floor plan of a Triplex on the Upper East Side, featuring labeled rooms—library, gallery, living room, wine room, kitchen, and more—with illustrated furniture arrangements throughout.
Architectural floor plan of an Upper East Side triplex featuring three labeled mechanical rooms, a sunroom with seating and plants, a powder room, large terrace with lounge furniture, and wood accents outlining room entrances for defined spaces.
A tall, ornate metal door with geometric patterns, bronze framing, and a frosted glass panel at the top stands in a triplex on the Upper East Side. To the left hangs a small black-and-white photo. The floor is dark wood laid in a herringbone pattern.
Close-up of a modern glass door with a textured surface and geometric metal frame in an Upper East Side triplex. A bronze handle with a brown braided grip runs horizontally across, while soft daylight reveals a window with curtains in the background.
A modern Upper East Side hallway features dark herringbone wood floors and white walls. Black-and-white photos in black frames hang above a glass console table. The hallway leads to a bright living room with a fireplace and artwork in this elegant triplex.
A bright, modern Upper East Side living room with a white sofa, light armchair, and neutral decor. Dark wood floors lead through this elegant triplex; large windows and chic lighting enhance the airy, sophisticated space.
Bright, modern living room in a Triplex on the Upper East Side with large windows, sheer curtains, dark herringbone wood floors, neutral sofas, armchairs, a coffee table with red flowers, wall art, a sculpture on a pedestal, and a decorative wall lamp.
Elegant white crown molding with intricate layered details decorates the upper walls and ceiling of this Upper East Side triplex. Below, light gray curtains hang from a black rod, framing a window amid soft beige walls for a refined interior look.
A close-up of a textured stone fireplace with light beige tones, set against a white wall with elegant molding. Hints of a framed picture and glass sconce evoke the refined ambiance of an Upper East Side triplex.
Spacious, elegant home office in a Triplex on the Upper East Side with wood-paneled walls, bookshelves, and a large wooden desk. A marble fireplace, mirror, large windows with curtains, armchairs, and framed art complete the classic decor.
Elegant Upper East Side library with light wood paneling, built-in bookshelves, and a marble fireplace. A large ornate mirror sits above, flanked by sconces. Cream armchair in front, with books and decor filling this triplex retreat.
Close-up of a fireplace in an Upper East Side triplex, featuring a dark marble mantel with white and gold veining, bordered by light brown wood paneling. A metal-framed mirror and a storage niche with firewood are also visible; tile lines the interior.
A home bar in this Upper East Side triplex features dark wood cabinets, glassware in upper cabinets, a patterned tile backsplash, and a small sink. Sliding doors frame the space, while bright lighting highlights the elegant, modern design.
A pair of large white double doors with rectangular panels is set into a white paneled wall in this elegant Upper East Side triplex. Bronze door handles are centered on each door, and the dark wood chevron floor contrasts with the bright white walls and doors.
A bathroom in a luxurious Upper East Side triplex features glossy dark purple walls, light pink marble lower walls and floor, and a rectangular mirror above a gray marble sink. A sconce and soap dispenser are visible; the door is open on the right.
A close-up of a white ornate ceiling corner with decorative crown molding in an Upper East Side triplex. The molding features a rectangular repeating pattern, with dark, glossy panels below, contrasting beautifully with the light ceiling.
Close-up of a table corner in a Triplex, with a textured black panel, ribbed cylindrical bronze leg, and polished marble top. Glossy pink wall panels with white veining evoke the modern luxury of the Upper East Side.
Close-up of a bathroom sink with a marble countertop, silver faucet, and handles. The vanity has a textured dark panel with a large circular design in the center. The background features polished pink marble tiles.
A modern Upper East Side living room with curved gray sofas, a round white coffee table with a red vase, a floor lamp, and a gallery wall. A wooden console table, art sculptures, large windows, and dark hardwood floors complete this triplex’s bright elegance.
This Upper East Side reading nook features a wooden table with books and framed art, flanked by white built-in bookshelves. A curved gray chair and modern beige floor lamp sit on dark wood floors beneath crisp white walls and ceiling in this triplex.
A close-up of white built-in shelving with adjustable notched grooves on the side, found in a refined Upper East Side triplex. A framed black-and-white artwork with a visible signature rests on the smooth, clean shelf to the left.
Two white paneled sliding doors, partially open, reveal a sliver of light from the room beyond. Each door features rectangular recessed trim and a metal handle, adding a clean, modern touch fit for an Upper East Side triplex.
A modern Upper East Side bedroom features a wooden bed frame, navy blue bedding, and a brown pillow. Two bedside tables with white lamps and flowers flank the bed. Large windows with brown curtains fill this elegant triplex retreat with natural light.
A curved wooden staircase with dark steps and a black railing ascends beside a tall window with grey curtains in this elegant Upper East Side triplex. A crystal chandelier and minimal decor create an airy, sophisticated ambiance.
View looking up a modern spiral staircase in this Upper East Side triplex, with dark wooden handrails and black balusters. A decorative chandelier hangs from the white ceiling as natural light streams through a tall window, creating an airy atmosphere.
A curved wooden staircase with dark railing leads down beside large windows with gray curtains in this elegant Upper East Side triplex. Sunlight streams in, casting shadows on light walls, while a crystal chandelier hangs above city views.
Modern, bright Upper East Side kitchen with white cabinetry, island, and countertops. Two green-cushioned stools at the island, pendant lights above. Stainless steel appliances, terrazzo floor, and large window complete this stylish triplex space.
A bright, modern breakfast nook in this Upper East Side triplex features white tufted benches around a square table with orange tulips. Large windows fill the space with light, while orange bottles and a white pendant add stylish touches.
Bright, modern kitchen in this Upper East Side triplex features white cabinets, a central island with built-in wine cooler, and two copper pendant lights. Stainless appliances and a wood-paneled door contrast the polished, speckled gray floor.
A close-up of a modern, white kitchen interior in an Upper East Side triplex shows a marble countertop with clean lines. Part of a built-in dishwasher and cushioned seating are visible, with polished surfaces and elegant detailing throughout.
Elegant Upper East Side dining room with a round dark wood table, six upholstered chairs, a large glass chandelier, and a vase of red flowers. Light walls display art photos, plus a sideboard, gold sconce, and bright windows with gray curtains.
A bright Upper East Side dining room with a round dark wood table, six upholstered chairs, and a large chandelier. A vase of red flowers sits on the table. Large windows with gray drapes and two framed artworks adorn this elegant triplex space.
Modern Upper East Side living room with gray walls, built-in bookshelves filled with books and decor, an orange velvet sofa, white armchair, sculptural wall light, and a view into a sunlit sitting area—part of a stylish triplex.
A narrow hallway in this Upper East Side triplex features brown paneled walls, a small black table with gold accents, and a silver lamp. A square wooden-framed mirror above the table reflects part of the opposite wall.
A modern Upper East Side bedroom with a brown leather bed, beige bedding, and a textured rug. A wood dresser holds a plant and art, while a round ottoman sits near tall windows with beige curtains. The wall displays six black-and-white photos.
A bright, modern gym room in an Upper East Side triplex features large windows, dark wood floors, two elliptical machines on mats, a wall-mounted TV, and a framed photo. City buildings are visible outside; the space is clean and minimalistic.
A modern hallway with white paneled walls opens to a small area in this Upper East Side triplex, featuring a light wood cabinet with angled legs. A stone head sculpture rests atop, beneath a dramatic black-and-white framed artwork of a classical bust.
A modern, bright bedroom in a coveted Upper East Side triplex features tall windows draped in gray curtains, a beige upholstered bed, mid-century chairs, a wooden sculpture, and dark herringbone wood floors. Natural light fills the elegant space.
A bright, elegant Upper East Side living room features two beige armchairs, a small square ottoman, dark wood floors, tall grey curtains, a built-in white bookshelf with books and decor, framed black-and-white photos, and a unique brass pendant light.
A modern Upper East Side office with cream-colored desks and a brown leather chair on dark herringbone wood floors. Large window, abstract hand wall art, tan cabinets, and a potted plant bring warmth and style to this bright Triplex space.
Bright, modern Upper East Side office with two light wood desks facing each other on dark herringbone wood floors. Large windows, cream curtains, a brown chair, sculpture on a pedestal, and a modern chandelier complete this triplex’s minimalist decor.
Close-up of a modern, light wood desk in a Triplex-style workspace. The tabletop appears to float above the legs on a metallic spacer. A portion of a monitor is visible in the upper left corner, illuminated by natural light reminiscent of the Upper East Side.
A bright, elegant Upper East Side bathroom with beige walls, marble accents, a large mirror, and wooden vanity cabinets with brass handles. A leafy green plant sits on the white marble countertop as daylight filters through a frosted window.
Close-up of a light wood cabinet with silver metal trim and round silver knobs in an Upper East Side triplex. The cabinet has a smooth white countertop above it and features geometric panels with visible wood grain at the corner where two sections meet.
A bright Upper East Side hallway with large windows on the left, dark herringbone wood floors, white walls, and a black-railed staircase on the right. Sunlight fills this elegant triplex space. At the end of the hall is a table near a window with light curtains.
Close-up of a dark wooden handrail with a rounded, spiral end detail, supported by a vertical spindle—typical of an elegant Upper East Side triplex. The herringbone wood floor in brown tones contrasts with the white wall or trim on the right.
A modern staircase in this Upper East Side triplex features dark wood handrails and spindles, contrasting with white walls and steps. Above the lower landing, a framed mosaic artwork of a stylized human face with a gold background catches the eye.
A modern staircase with dark wood steps and railing descends through this Upper East Side triplex, alongside tall grid-style windows. A framed artwork of a person’s face hangs on the white wall below, as natural light reveals city buildings outside.
A modern, sunlit living room in a Triplex on the Upper East Side with terrazzo floors, large windows, plants, mid-century furniture—including a yellow sofa—a wood armchair, sculptural art, and a geometric wall sconce.
A modern rooftop patio atop a stylish Upper East Side triplex features large floor-to-ceiling glass doors and black-framed windows, opening into a bright interior. Light wooden decking overlooks city buildings under a clear blue sky.