
The design of the Venlo City Hall is an outstanding example of applying Cradle to Cradle principles in the building sector. Venlo City Hall is recognized for numerous innovations. The building was designed for its users and occupants, for culture, and as a model for future innovation and continuous improvement at every scale.
One of the project's objectives was to support a high level of indoor air quality. The city hall is located along a heavily trafficked road, which directly affects the quality of the outside air. To address this challenge, integrated solutions were developed to create a healthy, comfortable, and safe indoor environment with high air quality. A greenhouse with integrated vegetation forms part of the ventilation concept. An intelligent piping system ensures that the air reaches a comfortable temperature before being distributed throughout the building's different floors.
Another distinctive feature of the building is its water cycle concept. Water flows are separated into rainwater, drinking water, greywater, and blackwater, which is further divided into brownwater and yellowwater, such as wastewater from toilets. Rainwater collected on the plant-covered roofs is used to irrigate the green façade and supply water for toilet flushing.

