2026 Green Design (Net Zero/Net Zero Ready) Winner: Split Gable House
Located on a historic mill site, this residence reinterprets a former Greek Revival cottage through a modern, sustainability-driven approach. The design maintains the scale and placement of the original structure while introducing a split-gable form that accommodates contemporary living and solar orientation. A compact footprint and south-facing layout support passive energy strategies, while a highly insulated, airtight envelope reduces energy demand. Durable materials — including shou-sugi-ban siding and a standing seam metal roof — ensure longevity and low maintenance. Renewable energy systems, such as photovoltaic panels and efficient heat pumps, further enhance performance. Interior materials emphasize simplicity and function, with exposed concrete floors providing thermal mass and natural wood finishes adding warmth. The layout prioritizes adaptability and long-term usability. Even secondary features, like a wood-fired hot tub, reflect a commitment to minimizing fossil fuel use.
What the judges said: Environmentally sound use of systems and materials. Land-scape design reflects sustainability beautifully.
Katie Sutherland
kcs ARCHITECTS in Marlborough
603-439-6648
kcs-architects.com
