Located on 13 acres, 100 miles north of Manhattan, the 3,600-square-foot residence is modest in scale and materiality, both to minimize its impact on the site, and to satisfy a mandate for a functional, family-oriented second home issued by the clients—a couple with three older children, who, like the architects, are also from Brooklyn and acquainted with them through their respective sons, friends at school who, coincidentally, facilitated this commission.

The compact wood-frame structure navigates the hilly topography on a stepped concrete slab that follows the natural grade as closely as possible. A small basement on the north accommodates a mechanical room for a geothermal heat-exchange system, which works in conjunction with four new wells. And, while a few trees had to be cut during construction, they are being replanted—with more to come, say the homeowners.

According to Bunge, inspiration for the main concept also came from his young son, who suggested they build a tree house for his friend. “Of course, he was thinking of a house in a tree,” says Bunge. “But we thought, what if you experience the house the way you experience a forest?” With this as a reference, the architects developed a scheme around the idea of structural cores as metaphorical tree trunks that both support the skylit galvalume roof and frame the building’s programmatic volumes within a relatively open floor plan. These eight cores also do double duty as key functional zones that contain, for instance, kitchen appliances, stairs, storage, mechanical equipment, and a chimney. In addition, the robust raw-steel knee walls of a central third-floor loft study overlooking the living area (like a tree house) serve as structural beams. Such material efficiency enables the attenuated roofline, high ceilings, and connected communal spaces the clients were after. Beautifully detailed Luan-plywood-clad core walls and heated oak floors are the dominant surfaces of the main living space, which flows freely throughout the second floor, from kitchen to living room, leading to what everyone agrees is the most popular “room” in the house: an enclosed porch, with stairs that connect to the surrounding grounds.

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Structure doubles as a steel knee wall and wood stair (4) and fireplace (5). Photos © Michael Moran (4), Frank Oudeman (5)

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Key to the success of this arrangement is the placement of the bedrooms on the first floor. “We presented the clients with two ideas,” says Bunge. “One was living in the sky; the other was sleeping in the sky.” “Luckily,” he adds, “They chose the former.” The resulting ground floor contains a small family room and four bedrooms on the building’s south side, each opening to the landscape with glazed sliding doors that provide direct access to the outdoors. A warmed concrete floor here is “softened” with random leaf impressions, made with actual hand-ironed foliage.

Bedrooms open to the land. Photo © Michael Moran

To unify the whole design, the architects turned to the region’s vernacular barn typology, reinterpreting it by enveloping the building with slatted western red cedar, even the porch, giving this outdoor room an especially intimate and protected quality. Subtle spacing variations between slats on alternating sections enliven the facade. However, it’s the bold fenestration that really commands attention. Placed to maximize daylight and breezes, the wide windows and sliding glass doors lend a permeability to the house that results in as many views through it as out of it.

At the time of RECORD’s visit, three additional small structures by nARCHITECTS were in construction—a wedge-shaped garage, a combined music studio/guest house, and a lap pool—closely encircling the house. And while it is currently a family getaway, it was clear from our conversation that it would become a more permanent residence in the future. “We’re excited to be here and by the work that they did,” the homeowner said. “This is our home, and we’re really pleased about it.”

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