Every two years, BAU, the world's leading trade fair for architecture, materials and systems, brings together everyone involved internationally in planning, constructing and designing buildings: architects, planners, investors, industry and trade representatives, craftspeople and many more.
From 11 to 15 January 2027, exhibitors from all over the world will present innovative developments and trends in materials, technologies and systems for commercial, residential and interior construction, in new builds and existing buildings, on more than 200,000 m². BAU 2025 attracted over 2,200 exhibitors from 58 countries and more than 180,000 trade visitors.











