Turnbull Griffin Haesloop Architects have designed a home in Atherton, California. Located on the peninsula south of San Francisco, this house sits on an internal suburban flag lot.

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The previous 1950’s house, which was removed due to structural problems, featured mature landscaping and a manmade pond that the clients wanted to preserve. They wanted their new house to be a private retreat that maximizes the drama of the pond and takes advantage of the privacy of the site. As advocates of year round outdoor dining and entertaining, the clients wanted a house that would open up to the landscape and have as many outdoor rooms as possible. The design solution breaks the program into four buildings – main house, study, pool house and garage – that ring the edge of the site and focus inwards on the pond, garden and pool.

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The main house features a butterfly roof that turns up to the south with a dramatic overhang. Large sliding glass doors open directly out to the pond and terrace. The roofs conceal photovoltaic and solar hot water panels. The house is heated with a radiant system in the stone floors, and despite the hot climate it is not air conditioned, but passively cooled with a combination of overhangs, shades, and operable windows. The house also features many green building materials, including high fly-ash concrete, formaldehyde-free casework and denim insulation. The new house creates a special place for the clients, making a main residence feel like a vacation retreat.

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