How do you design and operate a healthy building? Answers to these questions can be found in an increasing number of methodologies and rating schemes that have seen the light around the world in recent years. They all share the ambition to strengthen the health and well-being of building users. Yet, they vary widely in terms of their overall scope, the metrics they use as proof of performance, and the weight that they put on the different phases in a building’s life cycle. The following chronological overview presents a selection of the most important and forward-looking tools, as well as their underlying methodologies.