International E2 Ecological and Economical Wood Construction Competition, Kouvola
Fraunhofer-Institut IWES, Kassel
Hybrid.M Busbetriebshof und Mantelbebauung, München-Moosach
Neubau Labor- und Verwaltungsgebäude HeidelbergCement, Leimen
Shopping Mall Königsgalerie, Kassel, 1995
Passive House Office Building, Kassel, 1996
Office building P, Kassel, 1997
Office building S, Kassel, 1997
Start-up centre for ecological enterprises, Hamm, 1998
Further Education Center Mont-Cenis, Herne, 1999
Skin Research Center, Hamburg, 2004
Administrative and Operations Building, Niestetal, 2008
Local service centre, Eschborn, 2009
Max Planck Institute for Heart and Lung Research, Bad Nauheim, 2009