As New Yorkers spend more time inside their apartments, something interesting is happening: sales of duplex homes, which stack two floors on top of a single footprint within a multifamily building, have gone through the roof. At 1228 Madison Avenue, the new collection of Upper East Side homes with architecture by Robert A.M. Stern Architects and interiors by Kelly Behun Studio, the team saved the top two floors of the boutique tower for a single opulent duplex residence. This sophisticated offering will give its residents enough space to spread out as well as plenty of areas to come together and enjoy the views of Central Park, all without leaving the privacy of their home.

Two of the residences atop 1228 Madison Avenue went into contract just before being released to the open market. The lucky buyer is aiming to create a triplex home overlooking Central Park, complete with eight private terraces and a full-floor master suite that’s sure to be the envy of everyone longing for daily views of the Jacqueline Kennedy Onassis Reservoir. Designed by Robert A.M. Stern Architects, with interiors by AD100 interior designer Kelly Behun, these duplex and full-floor Upper East Side homes at 1228 Madison Avenue feature spacious interiors clad in luxury finishes, including chevron oak floors and marble kitchen countertops, while oversized windows and private terraces provide sweeping Central Park views.

Sales just launched at the new collection of Upper East Side homes at 1228 Madison Avenue, and the top floors have already been snatched up. The unnamed buyer plans to combine a pair of residences near the top of the boutique tower—a duplex and another full-floor home—to create a palatial abode overlooking Central Park and featuring a total of eight private terraces with a combined 1,700 square feet of prime outdoor space. The building, which was designed by the renowned Robert A.M. Stern Architects, with interiors by AD100 designer Kelly Behun, is bringing bespoke full-floor homes to the Upper East Side, meeting the increased desire for intimate buildings with plenty of indoor and outdoor living space.

A New York family is in contract to buy the top three floors of 1228 Madison Avenue, the boutique collection of full-floor Upper East Side homes from Robert A.M. Stern. Sitting atop the limestone tower with sweeping views of Central Park’s Jacqueline Kennedy Onassis Reservoir, this triplex penthouse will combine the previously designated duplex penthouse and the 16th-floor residence right below to create a sky palace complete with a full-floor master suite and more than 1,700 square feet of outdoor space spread among eight private terraces. The building’s location in the quaint Carnegie Hill neighborhood was also a selling point for the buyers.

In a heartfelt essay for Galerie, renowned New Yorker and architect Robert A.M. Stern, crafter of the Upper East Side homes at 1228 Madison Avenue, combines his love of his city with his knowledge of its history to predict that Manhattan and its surrounding boroughs will bounce back higher than ever. Stern contextualizes the current wave of uncertainty caused by the COVID-19 pandemic as just one in a long series of challenges that New York has faced over the last century, noting that New York has survived and thrived in the wake of previous crises precisely because of its strong foundations of civic and cultural life. As Stern writes, “New York is not only a land of opportunity for creative artists and businesspeople alike, but a catalytic environment for human reinvention, where people are continually nourished and fortified by the ferment of cross-cultural ideas and cosmopolitan life.”

The Upper East Side homes at 1228 Madison are rolling onto the market, with four- to six+-bedroom, full-floor homes and one duplex residence available now. Developed by CBSK Ironstate and designed by Robert A.M. Stern Architects, with interiors by Kelly Behun, this intimate collection of boutique residences pays homage to Manhattan’s architectural history with a tiered brick facade that provides private terraces and a duplex penthouse on the upper floors. These bespoke homes will put residents at the heart of the city, with views of Central Park and the iconic Jacqueline Kennedy Onassis Reservoir, easy access to subways and Midtown, and proximity to dozens of museums, entertainment venues, and eateries.

CBSK Ironstate, the productive partnership between three powerhouse real estate developers, has borne more luxury residential fruit in New York City: this time, it’s a boutique building on Museum Mile overlooking the Jacqueline Kennedy Onassis Reservoir. Designed by Robert A.M. Stern Architects, with interiors by Kelly Behun Studio, this 20-story limestone and brick tower will bring 15 unique Upper East Side homes to market next year. The residences, split between 14 two- to four-bedroom homes and a single crowning duplex penthouse, feature modern interiors with detailing inspired by Stern’s classical aesthetic, creating a collection of bespoke residences that breathe Carnegie Hill’s past, present, and future.

New York Real Estate Journal caught up with the designers behind 1228 Madison Avenue, the new collection of Upper East Side homes from CBSK Ironstate that topped out at the beginning of September. Michael Jones, partner at Robert A.M. Stern Architects, said that his firm took “cues from some of New York’s most admired early 20th-century apartment houses” when conceiving the design for this boutique collection of Uptown homes. Interior designer Kelly Behun, who crafted the unique interior for each of the building’s 15 full-floor and duplex residences, aimed “to create an elegant setting to reflect the Classical style of the exterior” while providing contemporary standards of comfort and luxury. Together, their visions have produced a series of unique homes embodying the best that Central Parkside living has to offer.

Forbes featured 1228 Madison Avenue in its roundup of the hottest big-city properties with great views coming to market this summer, highlighting architect Robert A.M. Stern’s take on the classic Carnegie Hill jewel-box style. The 15 full-floor Upper East Side homes at 1228 Madison Avenue all feature grand views of Central Park and the iconic Jacqueline Kennedy Onassis Reservoir, landmarks that frame one of the most desirable sunset vistas in the world. Inside these spacious two- to four-bedroom homes, designer Kelly Behun has created refined, modern interiors with touches like chevron pattern oak floors and nickel-finish door hardware inspired by the neighborhood’s prewar legacy.

When the developers behind 1228 Madison Avenue brought together legendary residential architect Robert A.M. Stern and the whimsical minds at Kelly Behun’s interior design studio, they were taking a risk. How could these two seemingly disparate designers collaborate on a single project? The resulting collection of Upper East Side homes overlooking Central Park proves that the experiment was a complete success. These 15 full-floor homes, including a duplex penthouse, feature thoroughly modern interiors with grand proportions, spectacular views, and unique flourishes that make each of them its own bespoke masterpiece, while the building itself cuts a stately figure along Madison Avenue with its limestone and brick facade.

Developers CBSK Ironstate unveiled the design for 1228 Madison Avenue, the forthcoming collection of Upper East Side homes from Robert A.M. Stern and Kelly Behun. These 15 bespoke homes, including 14 full-floor residences and one duplex penthouse, are located along Museum Mile and feature panoramic Upper East Side views, including an intimate angle overlooking the Jacqueline Kennedy Onassis Reservoir in Central Park. Stern’s design combines limestone and brick, his favorite materials, with a silhouette featuring setbacks and an elegant crown inspired by the eclectic architecture of Carnegie Hill, while Behun’s interiors each complement one of the facade’s classical elements. The resulting homes feature high ceilings, sumptuous marble and oak finishes, and massive windows capturing panoramic Manhattan views.

A duplex residence at 1228 Madison is coming to market, marking a major step for this boutique collection of Upper East Side homes. Designed by Robert A.M. Stern, with interiors by Kelly Behun, this duplex offers a private terrace and spans 6,566 square feet across the 18-story building’s 14th and 15th floors, looking out over the Jacqueline Kennedy Onassis Reservoir at the heart of Central Park. The building will feature just 15 floor-through residences, each with high ceilings and a unique design by Kelly Behun, who took inspiration from modern decor and the Upper East Side’s historic opulence to create elegant residences clad in European marble and hardwood.

1228 Madison Avenue has topped out, bringing the boutique collection of Upper East Side homes from architect Robert A.M. Stern and interior designer Kelly Behun one step closer to market. When complete, 1228 Madison Avenue will be home to 15 unique residences ranging in size from full-floor two- to four-bedroom flats to a crowning duplex penthouse, all with panoramic views centered around the Jacqueline Kennedy Onassis Reservoir. The classically inspired facade and setback silhouette inspired by Carnegie Hill’s architectural heritage give way to chic interiors that blend prewar materials like chevron pattern oak floors with modern touches that connect the city’s stately past with its stylish present.

As the stretch of Madison Avenue parallel to Museum Mile goes increasingly vertical, Robert A.M. Stern is bringing his signature style to a relatively intimate collection of jewel-box homes overlooking the Jacqueline Kennedy Onassis Reservoir in Central Park. Dubbed “1228 Madison Avenue,” the building takes inspiration from the Carnegie Hill neighborhood’s prewar legacy, presenting a limestone and brick facade with tiered setbacks and an architecturally significant crown. Inside, these 15 homes feature bespoke interiors in grand proportions, with luxury finishes and massive windows looking out on iconic views. While it stands just 20 stories tall, 1228 Madison Avenue represents new heights of luxury and style in this classic neighborhood.

The boutique luxury co-op on the Upper East Side dubbed “1228 Madison Avenue” has topped out, bringing the collection of 15 unique Central Park homes one step closer to market. Developed by CBSK Ironstate, with architecture by Robert A.M. Stern Architects and interiors by Kelly Behun Studio, these bespoke Upper East Side homes combine the architectural heritage of Carnegie Hill with contemporary interiors to create a quintessentially Manhattan building. Spacious interiors, with ceilings as high as 18 feet, look out on sweeping views of Central Park and the exquisite Jacqueline Kennedy Onassis Reservoir, creating the backdrop for one of the world’s finest sunset vistas in each living room.

Archinect reported in August that 1228 Madison Avenue had topped out at just 250 feet and eight inches, making it the smallest Manhattan building under construction from renowned residential firm Robert A.M. Stern Architects. But don’t get too focused on its relatively short stature: this tower along Museum Mile will feature 15 unique full-floor homes (including one duplex penthouse) with sprawling interiors and panoramic views, including an intimate angle on the Jacqueline Kennedy Onassis Reservoir in Central Park. Each one of these Upper East Side homes was designed by Kelly Behun, who combined Stern’s classic style with her own whimsical approach to create a series of unique, luxurious, and striking homes.

1228 Madison Avenue appears to be the child of two distinct schools of design: its shape and facade, by renowned classical architect Robert A.M. Stern, reflect the prewar stylings of its Carnegie Hill neighbors, while its interiors, by postmodern-inspired interior designer Kelly Behun Studio, strike a balance between contemporary art and chic comfort. Once the two teams found their stride, they began a productive back and forth. The collection of 15 bespoke Upper East Side homes is a testament to the symbiotic relationship that these two distinct designers developed while working on the project, with classical elements like chevron pattern oak floors coexisting with sleek matte lacquer cabinetry to create unique and luxurious living spaces that span a century.

Inspired by the site’s iconic views of Central Park and the Jacqueline Kennedy Onassis Reservoir, the team of designers tasked with creating 1228 Madison Avenue envisioned a building with prewar elegance, modern luxury, and large proportions to maximize each residence’s sightlines. The resulting 20-story tower from architect Robert A.M. Stern and interior designer Kelly Behun is a limestone and brick beauty that merges the city’s past with its future. The building’s 15 full-floor homes (and one duplex penthouse) feature ceilings as high as 18 feet, large windows, and sleek interiors that emphasize Central Park views. Residents of these Upper East Side homes will have access to the building’s suite of luxury amenities, which includes a fully equipped fitness center with a dedicated training studio.

Renowned residential architect Robert A.M. Stern is bringing his distinctive vision of luxurious urban living to the Upper East Side with a new, intimate collection of 15 bespoke two- to four-bedroom residences. 1228 Madison Avenue will be home to 14 full-floor homes and a duplex penthouse overlooking Central Park, all housed behind a stately limestone and brick facade with an elegant crown. AD100 designer Kelly Behun is handling the interiors, combining grandeur and play in these Upper East Side homes to create sumptuous marble-clad baths, and epic great rooms with Central Park views. Together, these two visionaries have created a remarkable collection of homes along Manhattan’s already-superlative Museum Mile.

Celebrated architect Robert A.M. Stern and experimental AD100 designer Kelly Behun may seem like an unusual team at first, but their collaboration on the new Upper East Side homes at 1228 Madison Avenue reveals the ways in which their distinct philosophies overlap. The collection of 15 bespoke homes features a facade that is quintessentially Stern, complete with ornate stonework, layered brick, and setbacks that create large, private terraces. Meanwhile, Behun has infused each interior with a sense of scale and play, like a grand arch holding up an 18-foot-tall living room ceiling and warm oak detailing set into marble countertops. The result is a series of unique NYC homes guaranteed to impress from inside and out.

Sales have launched at 1228 Madison, the intimate collection of bespoke park-side homes from Robert A.M. Stern Architects and Kelly Behun. These 18 Upper East Side residences are all full-floor homes, many with views of Central Park’s Jacqueline Kennedy Onassis Reservoir, and features like Juliet balconies and private outdoor space. Each home was designed to be unique and include something breathtaking, like the 11th-floor bath’s freestanding tub framed by floor-to-ceiling windows. Interior designer Behun took inspiration from the UES’s architectural heritage as well as Robert A.M. Stern Architect’s limestone facade to create a collection of extraordinary homes celebrating Manhattan’s storied past and exciting future.

For his latest residential project, renowned architect Robert A.M. Stern has pared down his usually grand scale for an intimate collection of just 15 full-floor Upper East Side homes. Robert A.M. Stern Architects partnered with interior designer Kelly Behun on 1228 Madison Avenue, a 20-story limestone and brick tower overlooking Central Park and featuring 14 two- to four-bedroom homes as well as a crowning duplex penthouse, all with sweeping views of the park and the Jacqueline Kennedy Onassis Reservoir. Stern’s love of scale has found an outlet here, though, with interior ceilings reaching heights of 18 feet and large windows flooding the residences with natural light.

A new collection of classical-style Manhattan homes is coming to the Upper East Side, thanks to architect Robert A.M. Stern and designer Kelly Behun, who have been working tirelessly to bring these 15 unique residences to market. The result, dubbed “1228 Madison Avenue,” overlooks Central Park and features Stern signatures, including a stone façade and an ornate crown, complete with a setback design that creates spacious private terraces. Behun has infused the interiors of these Upper East Side homes with a combination of modern and classic finishes, including chevron oak floors and custom door hardware from P.E. Guerin that harken back to Manhattan’s prewar comforts without sacrificing contemporary comfort.