Built in the mountains of Norway, the One-Third House is designed to expand. The main living space is a traditional two-story cabin with a footprint that measures just over 500 square feet. While the modest dwelling offers cozy accommodations for a young couple, the pair wanted room to grow. The solution was an open-air veranda. Double the size of the main house, the uninsulated area extends from the home with a shared roof. Tilted glulam columns give the space supports and a more modern, industrial design while also framing in views of the dramatic landscape. Although it currently functions as anything from a storage room and garage to a workshop and banquet hall, it can easily be transformed into additional living space in the future.