Heat waves are becoming longer, hotter and more frequent. Record temperatures have left many tenants struggling. Now Chancellor Friedrich Merz has said the building law needs to be amended.

The prolonged heatwave that led to new temperature records in many European countries in June 2026 has created a heat stress situation in Germany that, in Europe, was so far…

Deutschland hat die Hitze - und merkt: Unsere Häuser und Städte sind für heiße Zeiten nicht gemacht.