Whether it is about the revitalisation of entire districts or the seasonal restructuring of individual sales spaces, the topics of reuse and further development of existing buildings are becoming increasingly relevant throughout the retail industry. The creative repurposing of empty department stores and parking blocks makes use of space and resources. Exceptional concepts are presented in this yearbook. The author and architect Dr. Jons Messedat has been teaching the subject of Construction and Space at HAWK Hildesheim since 2016. He is an expert in the international retail design and corporate architecture scene.