Kutchan House

The CLT kit was loaded into 40-foot high-cube containers and trucked from Ybbs, Austria to the Port of Hamburg, Germany — a distance of roughly 695 km.

From Hamburg, the containers were shipped by sea to the Port of Tomakomai in Hokkaido, Japan, covering approximately 15,000 km. The long-haul journey demonstrates the reliability and scalability of prefabricated timber solutions, even across continents.

Japan has set a goal of reducing carbon emissions by 46% from 2013 levels by 2030, and reaching net-zero carbon emissions by 2050.

In a world first, the Japanese government issued climate transition bonds in February 2024, raising JPY 800 billion (about USD 5.3 billion) to drive the green transition. Unlike traditional green bonds, these focus on broad systemic change rather than specific projects, signaling strong national commitment to a future free of fossil fuels.

Kutchan House is conceived as an all-timber structure with a harmonious architectural expression. The design carefully integrates glazing, lighting, and framing to complement the exposed CLT surfaces.

Off-site fabrication was selected for precision, waste reduction, and shorter construction time. The CLT kit enables an efficient construction process and offers a modern alternative to the conventional timber post-and-beam methods commonly used in Japan.

As Japan continues to invest in climate resilience and sustainable infrastructure, projects like Kutchan House demonstrate the potential of mass timber construction to lead the way forward.