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Inside a Hudson Valley Farmhouse Where the Addition Was Designed to Disappear

From trellised stone walls to subtle layout shifts, Workstead prioritized continuity over contrast
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In restoring a Germantown, New York, farmhouse, Workstead appended a new two-story stone wing to the building’s south; the addition includes a kitchen and dining room on the first floor, and a primary suite above. The studio recreated the house’s original rear porch for the house’s entry, which faces east.

When Kiri Sulke began dating her now husband, Phillip, in New York in 2014, she was immediately drawn to the real estate developer and artist. “I trusted him straight away,” recalls the Australian-born lawyer turned writer and yoga instructor. “He is incredibly honest and unafraid to show his emotions and be vulnerable.” She also quickly sensed that Phillip does nothing halfheartedly—a scrupulousness he confirmed not long after, when he mentioned searching for a weekend escape from his Tribeca apartment. Within a few months, Phillip had canvassed 60 potential properties, from rural Pennsylvania to Massachusetts.

By 2015, Phillip and Kiri were squarely committed to a long-term relationship, when he learned that the Germantown, New York, farm belonging to AD100 hall of fame honoree Sheila Bridges was up for sale. Simply arriving at the circa-1890 home confirmed that the quest was over. “I started crying the first time I went down the driveway,” Kiri recalls of the pastoral 14 acres overlooking the Hudson River. “It was more beautiful and special than I ever could have imagined.”

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For a mudroom that attends to the front entrance, Workstead created opportunities for both reflective pause and pure circulation.

Circular rattan pendant light.

Golden Editions Deeply + Lantern Pendant Lamp

Dining chair with cord seat and tapered wood frame.

Niels Otto Møller Model 78 Rosewood Dining Chair

The site would become even more meaningful after changing hands. Phillip, whose art practice includes drone photography of cargo ships, credits some of his best work to living along the Hudson. And in 2017 he proposed to Kiri under “the magic tree”—a mature oak that Kiri likens to an energy vortex.

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The powder room is bathed in Benjamin Moore’s Townsend Harbor Brown and punctuated by a Workstead Tube sconce and a Morgans washbasin by Rapsel.

In their first years in Germantown, the Sulkes improved their property’s landscape and satellite structures while keeping the clapboard farmhouse largely as Bridges left it. Enthralling as the building was, time revealed its need for more substantial stewardship. “A few harsh winters showed us that the infrastructure was strained and, in terms of family planning, we knew we needed a bit more space,” Phillip explains. With the same tirelessness that he conducted his initial property hunt, the couple sought a design team to renovate and expand the farmhouse in 2020. The extensive process concluded with the selection of AD PRO Directory firm Workstead. Today, the Sulkes summer at the property with their two children, and operate it as a rental, dubbed the Four Corners Estate, during the remainder of the year.

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Inside the original farmhouse, the living room’s Egg Collective sofa sits across from a large fireplace constructed in the same masonry as the south wing. A hand-painted linen tapestry from BDDW hangs above the sofa and a pair of armchairs, sourced from Arenskjold Antiques.

Floral tapestry.

Pottery Barn Greenwood Tapestry

Brick red rectangular rug.

Rugs USA Arrel Speckled Wool-Blend Rug

The couple was drawn to Workstead, Phillip says, after an early realization that “the exterior of this project was as important as the interior”—a belief shared by the firm. “The farmhouse had a sweetness to it, but it didn’t necessarily feel like it had been built for that place,” explains Workstead cofounder Robert Highsmith, who, with his partners Stefanie Brechbuehler and Ryan Mahoney, spent several months devising a two-story south-facing wing that would “create something foundational for the whole property.”

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On the stone wing’s first floor, the kitchen links the new dining room to the original farmhouse. Luxurious yet workmanlike, Workstead envisioned the space as “a large wooden cabinet set within the larger stone box itself.” Riverbend Millwork fabricated the oak elements.

Yellow ceramic pitcher.

Williams Sonoma Provençal Pitcher

Antique silver teapot.

Antique Rogers Smith Silverplate Spirit Kettle

Inspired by a stone outcropping that frames the river view from the back porch, the designers decided their addition would be made of a handlaid blend of Connecticut granite and New York fieldstone, punctuated by mahogany windows framing dramatic views. “The outcropping felt so central to the soul of the land and that Hudson River School–like view, that we really wanted to celebrate the material context and its contrast to the clapboard,” Highsmith says. He also points out that the volume is neither a sentimental reproduction of the Hudson Valley’s hand-stacked buildings nor, as monumental and precisely made as it might seem, a feat of contemporary architecture dressed in stone. Rather, he likens it to a “modern ruin—something that is new but which feels deeply planted in the earth.”

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Behind the Zak+Fox drapery, the dining room’s interior walls feature the same blend of Connecticut granite and New York fieldstone that comprises the exterior.

That sensitivity guided the process. “We built three mockups to make sure the stone wouldn’t look fake in some way,” Phillip recalls, noting that the new wing “respects the proportions of the farmhouse, since our biggest fear was to build a McMansion or one of these older Frankenstein buildings you find on the East Coast.” Workstead also mounted trellises to the addition, so that vegetation would someday make the stone exterior appear even more integrated into the landscape.

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A vintage Swedish armchair sourced by Workstead from Morentz and reupholstered in Zak+Fox fabric is paired with the Sulkes’ bed, finished with a quilted blanket from The Citizenry. A customized Rug Company design ties the space together.

Quilted throw blanket in a purple-y brown.

The Citizenry Naya Organic Cotton Quilted Bed Blanket

Pair of lamps with bronze bases and white pleated shades.

19th Century Japanese Style Bronze Lamps (Set of 2)

Conceived as a natural extension of the original farmhouse, the south wing accommodates a 21st-century-scale kitchen and adjoining room, along with a primary suite upstairs. In turn, the historic structure underwent only minor refinements to its center-hall layout, linking it to the addition while improving circulation through the older rooms. “Preservation was important,” Phillip says of taking functionality pressures off the farmhouse. “The older I get, the more I realize that patina is something you can only achieve with time. Kiri and I also had a fear that, if you get something wrong, it’s forever.”

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The primary bathroom spans the full width of the stone volume—forming, in effect, a portal between the original house and the new south wing. A Pure Clay tub by Studio LoHo frames the bathroom’s Hudson River vista. The tub is paired with a Cellini side table from RH. The pendant is a 1920s-era Luzette made by Siemens, which Workstead sourced from Zeitklassiker.

Highsmith couldn’t agree more. “There was a discrete desire to create the exact correct thing here, not the grandest thing,” he notes. And on this romantically windswept site on the Hudson, correct means a rediscovery of the essentials. “We talk a lot about refuge in our residential projects—a belief that environment impacts your way of being, and that a home’s purpose is to be the well from which you draw a sense of belonging, of place,” Highsmith reflects on the expanded farmhouse. “In terms of Phillip and Kiri’s ambition to live with finely crafted things, in a way that respects nature and art and materials, this project follows that thread. It digs its heels into the literal ground.”

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The primary bathroom is the lone space in the south wing where custom red oak millwork replaces the masonry skin. Vintage Lampione LP1 sconces, sourced from Lumfardo, are mounted above the Rojo Alicante marble-topped double vanity.

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Upstairs in the original farmhouse, the north and west bedrooms remain largely unchanged, while the east room was reconfigured into a hallway and closet that supports the primary suite in the south addition. In the guest space pictured here, Workstead placed a Laure bed from Pinch on a Christopher Farr Geometric Camel rug. The quilt is from Schoolhouse.

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Black-painted beadboard grounds the guest bath, while patterned café curtains temper the light and nod to the farmhouse’s roots.

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Workstead created a screened porch at the rear of the original farmhouse. All clapboard and other vertical wood surfaces are coated in Benjamin Moore French Canvas.

Sofa with rattan frame and blue cushions.

Sika Design Charlottenborg 2-Seater Sofa

Side table with wooden tabletop that sits on a tapered marble base.

Lulu and Georgia Killian Round Side Table

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The porch gently tiers down to a landscape that plunges into the Hudson River. The floor and ceiling of this transitional zone are finished in Glacial Till and Gray Wisp, both by Benjamin Moore. The 19th-century copper pendant is one of a pair that Workstead sourced from Michael Trapp.

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Painted in a deep oxblood hue, the library's vertical paneling projects cocooning warmth, setting the stage for a simple antique writing table and a modest still life of everyday objects.