Tres Birds Workshop has designed Boulder A.D.U. in Colorado, United States.

This project is an 800-square-foot Accessory Dwelling Unit (ADU) that shares a property with an existing single-family home in Boulder, Colorado.

The small home is made primarily of reclaimed bowling alley lanes and plywood. The 50-year-old bowling alley wood was used as a structurally independent mezzanine floor system and laminated together to create the east-side timber frame window system.

Rejected tile from a Boulder artisan was used throughout the bathroom and in the kitchen and window locations and roof overhangs were designed specifically to maximise natural light in the home while providing adequate shade from the summer sun.

This project has been longlisted in the sustainable interior category of Dezeen Awards 2022.

Designer: Tres Birds Workshop

Project: Boulder A.D.U.