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Lumber Building 4

Photo by Markus Spiske on Unsplash
Case study
Norway

Lumber Building 4

27 August 2024
LUMBER 4 in Kristiansand, Norway, is an award-winning, all-timber office building that reduces greenhouse gas emissions by 53% and represents a major advancement in sustainable architecture.
Editorial Team

The office building LUMBER 4 in Kristiansand, southern Norway, is the region’s first and largest mass timber commercial building. Designed by Oslotre Architects, it features a high degree of prefabrication and innovative design, achieving a 53% reduction in greenhouse gas emissions.

It now houses Green Tech companies and has won an award for the world’s best mid-rise office building. 

Jørgen Tycho of Oslotre highlights this achievement as a significant step towards sustainable and circular architecture, reflecting the firm’s 15-year commitment to green building practices.

Date of publication
07/08/2024
Geographic coverage
Local (city or municipality)
Original Author
Isabelle Lomholt
Original source: