Musik- und Kunstschule, Monheim am Rhein

Energy Campus, Holzminden

International E2 Ecological and Economical Wood Construction Competition, Kouvola

Wohnen am Rheingau-Palais Wiesbaden, Wiesbaden

Wohnbebauung Steimker Gärten, Wolfsburg

Master Planning Solwo Königspark, Königs-Wusterhausen

Dachausbau Mehrfamilienwohnhaus, Kassel

Production Module, Niestetal

Neubau Labor- und Verwaltungsgebäude HeidelbergCement, Leimen

Hybrid.M Busbetriebshof und Mantelbebauung, München-Moosach

elobau Werk 2, Leutkirch

Fraunhofer-Institut IEE, Kassel

Gartenbetriebshof, Kassel

Feuerwehrgerätehaus, Alzey

Experimental Solar Housing at the International Horticultural Show, Stuttgart, 1993

Day-Care Center KT33, Frankfurt, 1994

Revitalization and Extention of City Hall, Kassel, 1995

Further Education Center, Hamm, 1995

Shopping Mall Königsgalerie, Kassel, 1995

Passive House Office Building, Kassel, 1996

Office building S, Kassel, 1997

Office building P, Kassel, 1997

Revitalization of Pedestrian Precinct, Melsungen, 1997

Start-up centre for ecological enterprises, Hamm, 1998

Further Education Center Mont-Cenis, Herne, 1999

Pit gas Co-generation Station with Battery Storage, Herne, 1999

Pedestrian Bridge, Bochum, 1999

Social Housing Unterneustadt, Kassel, 2000

Urban Redevelopment of Wuppertal City Center and Central Station, Wuppertal, 2000

Multy-Family Passive House M, Kassel, 2000

Philharmonics Nicolaisaal, Potsdam, 2000

Exhibition centre extension, Essen, 2001

Museum Giant of Glass, Oberhausen, 2002

Conversion of Steel Mill, Oberhausen, 2003

Dental Surgery, Kassel, 2003

Solar canopy, Niestetal, 2004

Skin Research Center, Hamburg, 2004

Tram-Stop Shelter and Kiosk, Kassel, 2004

Tropical Hall, Leipzig, 2006

Community centre and vicarage, Lohfelden, 2007

Car park, Niestetal, 2008

Cafeteria, Kassel, 2008

Masterplan Municipal Museums, Kassel, 2008

Administrative and Operations Building, Niestetal, 2008

Local service centre, Eschborn, 2009

Solar Factory 1, Kassel, 2009

Mobile Plus-Energy-Home Pavilion, Berlin, Dortmund, Düsseldorf, Frankfurt, Hamburg, Hannover, Munich, 2009

Renovation of a listed building - Fashion Store, Kassel, 2009

Motorway Chapel, Lohfelden, 2009

Hessen Campus Vocational training Center, Wolfhagen, 2009

Max Planck Institute for Heart and Lung Research, Bad Nauheim, 2009

Lorry and Truck Terminal, Lohfelden, 2009

La Casa Alemana mobile exhibition pavilion for Latin America, Asunción, Bogotá, Buenos Aires, Caracas, Guatemala City, Mexico City, Lima, Montevideo, Quito, San José, Sao Paulo, Santa Cruz, Santiago de Chile, 2010

Solar Academy, Niestetal, 2010

Park Life Urban Villa, Kassel, 2010

Renovation of a listed building – the Palais Bellevue, Kassel, 2011

Das Haus mobile exhibition pavilion for North America, Atlanta, Houston, Tempe, San Francisco, Vancouver, Toronto, Montreal, Boston, New York City, Washington D.C., Chicago, Denver, 2011

Office and Administrative Building, Kassel, 2012

Exhibit "Smart Energy-Efficient Building Design”, Mumbai, Bangalore, Chennai, New Delhi, Pune, 2012

Office and Factory Building Leutkirch, Leutkirch, 2012

[CAEB] Conference in Bangalore Architecture and Energy - New Strategies for the Building Sector, Bangalore, 2012

Master Planning Forschungszentrum Jülich, Jülich, 2013

Energy Bunker, Wilhelmsburg, 2013

Aktiv-Stadthaus Frankfurt, Frankfurt, 2015

Effizienzhaus Plus Frankfurt Riedberg, Frankfurt, 2015

Wilhelminaberg, Landgraaf, 2016

Wohnen in der Bunsenstraße -„Kasseler Modell", Kassel, 2016

Aktiv-Stadthaus im Bestand Frankfurt, Frankfurt, 2017

aktivplus Studentenwohnheim Campo V, Stuttgart-Vaihingen, 2019

Neubau Kreisarchiv, Viersen, 2021

Industrie-​ und Gewerbepark RTunlimited, Reutlingen, 2021

Masterplan Henschel Werk II Rothenditmold, Kassel, 2021

Multifunktionsgebäude R36, Neckarsulm, Heilbronn, 2021

Orgelprospekt Heilig Geist Kirche, Hanau, 2021

Neubau Berliner Schule Korbach, Korbach, 2022

Schule am Heideweg, Kassel, 2022

Denkmalgerechte Sanierung der Remise des Palais Bellevue, Kassel, 2023