Martin Residence Green Addition

845 square feet
Jason Langkammerer, John Barone/@6 Architecture
Berkeley, California

Moving to a decidedly more urban environment, Small Eco Houses features an addition to the Martin's Bay Area home that boasts a bedroom, bathroom, and living area. The modular panels that make up the exterior are prefabricated from fiber-cement, and the large south-facing windows serve as passive heaters during the winter.

Inside, bamboo panels offer a natural look. Some rooms are set off by translucent polycarbonate walls, which let in natural light.