The article explores the experience of adaptive reuse and the redevelopment of the former Vena Plant, located within the “Gray Belt” of St. Petersburg. Using this case study, it analyzes the fundamental principles of industrial site refunctionalization, as well as the strategies employed to preserve architectural heritage while integrating it into a contemporary urban context.

Keywords: adaptive reuse, urban greening, high-quality residential environment, Gray Belt, spirit of place (genius loci), industrial facilities, Vena Plant, residential complex, cultural heritage