It was to be the first 6-storey wooden building in NRW, now 5 storeys are being realised as student accommodation with 32 units in passive house standard. The building is located not far from Bonn's main railway station and is implemented with a car sharing concept.
More information on the website of architect Kay Künzel from Wachtberg: http://raum-fuer-architektur.de
There are details in a lecture pdf from 2012:
www.forum-holzbau.com/pdf/ebh12_kuenzle.pdf
Keywords: Bonn, Wood construction