Koen van Velsen is the architect of a rich and diverse body of work spanning more than fifty years, ranging from cultural to residential, from healthcare to education, from infrastructure to offices, from urban design to buildings and landscape, and from new-build to restoration, renovation and transformation.

Each design by Koen van Velsen is a unique response to a specific location, programme, budget and particular requirements of users and clients. Spatial quality and the experience of the architecture are central to every project. Koen van Velsen values architectural craftsmanship and buildings that are carefully developed from concept to detail.

Although Koen van Velsen predominantly designed (large) public projects, his work is highly varied in scale, programme, character and complexity. All projects are the result of a specific design solution and are therefore devoid of a fixed preconceived architectural signature. Large or small, transformation or new-build, public or private: each project receives the attention it requires. Despite the diversity, projects by Koen van Velsen share important common characteristics such as