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East House

Peter Rose + Partners

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4,000 sq. feet
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2015 Residential Architect Design Awards
Custom/Over 3,000 Square Feet

Boston-based Peter Rose + Partners designed this house, set into Martha’s Vineyard’s eroding western coast, to be moved should the bluffs become compromised. The 4,000-square-foot house consists of site-cast concrete boxes and interstitial spaces made from conventional framing that can all be decoupled and transported if needed. The 10-inch-thick concrete walls present an austere face amid the quaint vernacular styles of the island, but their solidity provides thermal mass that helps keep energy consumption low, as do the vegetated roof and geothermal wells. The concrete bounces the sounds of the ocean into the interstitial spaces, drawing the percussive rhythms deep into the house. Inside, the materials are considerably warmer, with cedar planks cladding the walls and stone floors adding richness to the space. —Alan G. Brake

From the Jury

“If they ever need to move the house, the concrete modules can be picked up and moved. And it’s beautifully finished.” —Betsy Williamson

Project Credits
Architect: Peter Rose + Partners, Boston—Peter Rose, AIA
Project Size: 4,000 square feet
Construction Cost: Withheld

Click here to see all of the winners of the 2015 Residential Architect Design Awards.

Project Description

Nestled into the native shrubs on the Martha’s Vineyard coastline, East House’s site-cast concrete façade welcomes the tendrils of coastal vines, while providing a robust face to New England’s coastal weather. The ten-inch thick concrete walls are cast in the form of a collection of concrete boxes, relieved with sustainably harvested Spanish Cedar window frames, and oriented to achieve both subtle and dramatic responses to the landscape.

During design, a commissioned study revealed a rate of coastal bluff erosion that made both client and architect extremely uncomfortable about the siting of the residence. The solution was to cast the floors, formerly wood framed, in concrete, making each box a three- or four-sided structural unit that could be individually lifted and moved to a location far from the bluff should erosion occur. The 4,000 square foot house is thus divided into concrete boxes, individually liftable with all interior finishes in place, and interstitial corridors, light wood framed zones that are easily removed and rebuilt in the event the building is moved.

Each box has a rugged concrete exterior, and is finished on the interior with stone floors, and Douglas Fir and Alaskan Cedar planked walls, which are soft to touch but extremely durable in the rough coastal weather. Circulation travels along the interior figure of the boxes, through interstitial spaces both rough framed and finished in wood, and is choreographed to an ever more revealing experience of the site. Strategic through-views to surrounding greenery direct visitors from the entrance to a library and living area.

Embedded in the natural landscape, East House is nearly invisible from points further up the slope. The concrete shell is cantilevered over the landscape, allowing for expanses of glass along five walls. Operable windows pull back, and the gap between concrete units amplifies the sound of the ocean, bringing it and sea breezes through the entire house. A planted roof caps each box individually, mitigating run-off, while further integrating the building visually in the lush landscape. Rainwater is collected in the interstitial roofs, directed to a single Mahogany flue, and cast into a below-ground cistern for use in irrigation. Geothermal wells use the earth’s thermo-conductivity to temper living spaces, vastly reducing the size and cost of HVAC equipment. With radiant heating, calibrated window openings, and the thermal mass of concrete, the house creates natural ventilation and buffers summer heat gain.

—Peter Rose + Partners
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