restoration
- Coovi Elishout, Anderlecht, 2010
- Helperbad, Groningen, 2009
- Hampton Court Palace, London, 2007
- Shipping Exchange tower, Rotterdam, 2005
- Van Nelle factory, Rotterdam, 2003
- Flower pyramid, Amsterdam, 2003
- Tichelaar's residence, Makkum, 1999-2004
- Museum - Berlage, The Hague, 1996-1998
- Villa in Wassenaar, 1995
- Town hall - Dudok, Hilversum, 1990-1994
- Royal Palace Het Loo, Apeldoorn, 1982