Underhill House, a strikingly-modern earth-sheltered home, was the first house in England to achieve certified Passivhaus status - widely regarded as the world's leading standard in energy efficient construction. Underhill House was developed underneath and adjacent to a derelict 300-year old barn. Sensitive restoration of the existing barn and innovative design ensured the project has minimal visual and environmental impact. Not only was the external form of Underhill House designed to minimise visual impact on the surrounding landscape, the interior finish and construction materials were carefully chosen to make the building as environmentally sustainable as realistically possible.
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