November 7, 2025

Project KARLA in Karlsruhe: Construction progress for pioneering wood-hybrid building

The large-scale administration and education center project KARLA in Karlsruhe continues to take shape.

The existing office building on Beiertheimer Allee is being replaced by a modern, sustainable, and pioneering complex: A 90-meter-high skyscraper and a five-story low-rise building in a wood-hybrid construction will offer space for a variety of uses in the future. These include multifunctional areas for seminars or conferences for external tenants, space for a company medical practice, a daycare center, and mainly workplaces for the district administration, the Baden-Württemberg Municipal Council, and other users. Technical areas and an underground car park will be built in the two basement levels.

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After the existing buildings have been dismantled, the new building will be constructed in two phases. The first upper floors are currently being assembled using a wood-concrete composite construction method, consisting of constructing beech columns, ceiling-level steel composite beams, and cross-laminated timber panels with in-situ concrete. We are accompanying this project in all phases, from the initial idea to execution. In accordance with the competition design and the client’s requirements, the supporting structure is being realized with as high a proportion of wood as possible. The basement levels and the bracing cores are being constructed using conventional reinforced concrete.

Our exciting building is now visibly growing in height and will reshape the urban image of Karlsruhe at this location.