Musik- und Kunstschule, Monheim am Rhein
Day-Care Center KT33, Frankfurt, 1994
Revitalization and Extention of City Hall, Kassel, 1995
Further Education Center Mont-Cenis, Herne, 1999
Philharmonics Nicolaisaal, Potsdam, 2000
Museum Giant of Glass, Oberhausen, 2002
Community centre and vicarage, Lohfelden, 2007
Masterplan Municipal Museums, Kassel, 2008
Motorway Chapel, Lohfelden, 2009
Renovation of a listed building – the Palais Bellevue, Kassel, 2011