Sonar Real Estate has completed the sale of an office building in Cologne-Deutz to Ashtrom Properties Germany.

Siegburger Strasse 229c
The transaction was executed as part of a broader asset management agreement on behalf of a pan-European property investment manager.
While the purchase price remains confidential, the property, located at Siegburger Strasse 229c, comprises approximately 8,500 m2 of rental space, with 88% dedicated to office use and 12% to warehouse space.
Key tenants include Omya, Grobecker engineering firm, and Vössing Ingenieure.
Legal counsel for the seller was provided by Clifford Chance and PwC, while K+L Gates advised Ashtrom Properties Germany, with technical advice provided by ImoExperts Dr Kühne & Böker GbR. Colliers served as the advising broker.
Hamburg-based Sonar Real Estate currently manages a portfolio of approximately €3.0 bn in assets.
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