Building the climate shell of solar panels on a wooden frame around the original structure and covering the climate shell with solar panels, an old office building in Amersfoort is being transformed into an inspiring business garden. The new build generates all energy for itself. The business garden is insulated with double-glazing and a thick layer of cork. Almost all horizontal surfacesare covered with plants, creating a living facade.The shell and the old building are connected using wooden boxes, which adds extra office space on above the business garden. Walkways are paved around the original structure, giving everyone the possibility getting lose in the garden.