The design of Gen Sou En Tea House is inspired by the Gen Sou En philosophy of blending tea and culture, a motif that is realized in the form of spatial organization, geometries, and materials.
The tea house's programmatic elements are nestled into gently ascending circular forms, whose clean lines reflect modern takes on traditional Japanese architectural features: tatami benches, horigotatsu (recessed seating), tea ceremony room, and the central nakaniwa garden, where a tree, moss, and grass grow beneath a hooded circular skylight. The ascending circular forms which start out as low benches at the front and eventually become full height rooms in the back, when viewed together from the entry, compress the space to make it seem intimate and welcoming, while the same elements together with the linear wood ceiling fins help expand the space when experienced from within. The furniture and lighting selection represents the blending of cultures, whether it is a modern Japanese chair inspired by the traditional Windsor chair or a modern Italian glass light fixture inspired from traditional Japanese lights. The natural walnut, beech and charred wood material palette is offset with brass, tatami, Japanese stucco, and exposed, weathered brick, blending the architectural language of traditional and contemporary Japan with a uniquely Boston character.
The spatial organization is drawn from the Japanese machiya row house typology, where an internal courtyard separates the commercial space in the front from the private dwelling area in the back. The central nakaniwa garden is not only the focal point of the tea house with a live, lush, curated greenery under natural light, but also the air of separation between the tranquil lounging area in the back and the busy and active atmosphere in the front.