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Grafted House, Lloyd Neck, New York

View of East Side of Addition | Photo: Andy Ryan

Orientation Diagram

Ground Floor Plan

Second Floor Plan

Glass Entry ties addition to existing house at stair graft | Photo: Andy Ryan

View of Grafted Addition | Photo: Andy Ryan

View of Grafted Addition | Photo: Andy Ryan

Seating Area below Light Chimney | Photo: Andy Ryan

Seating Area below Light Chimney | Photo: Andy Ryan

Home Office | Photo: Andy Ryan

Home Office, looking to existing dining room and deck beyond | Photo: Andy Ryan

Light Well | Photo: Andy Ryan

Grafting Diagram + Phototropism

Sectional Perspective


During Construction

During Construction

The owner of a mid-1960’s house needed more space for their growing family. Our addition creates a new Master Bedroom suite, covered terrace, and secluded home offices for two work-at-home parents. The existing house is sited on the leveled top of a natural knoll and has a split-level organization, with its private bedroom areas on the ground floor and public areas above. The entry, located at the division between these levels, became the insertion point for the addition. White oak trees at the end of their life were milled for the addition's new flooring and stair treads. A volume acting as a light chimney reaches above the roof of the existing house to bring south light into the top floor office and master bedroom below. Instead of thickening the original house, our design extends the entry stair to stitch or ‘graft’ the new building onto the original house. As with horticultural grafting, both existing and new species reap the benefits of their combined organism. From the connecting lobby space, the addition’s wooden structures rotate away from the original house and ‘grow’ towards light and views like a plant.

Completed 2008
AWARDS: American Institute of Architects, New York State: Award of Excellence
PROJECT TEAM: Timothy Bade, Jane Stageberg, Martin Cox, Andrew Skey, Prashant Prabhu, Scott Campbell