“…An analysis of the research in sustainable urban development revealed that current studies usually focus on research of simple problems existent at lower hierarchical levels: selection of rational design solutions, selection of construction elements, systems and materials, the selection of contractors, etc. Research on buildings managed by public sector institutions mainly focuses on infrastructure management (Alam, et al, 2019;Bryson, et al, 2018;Giglio, Friar, & Crittenden, 2018), facility management (Gross & Źróbek, 2015), energy efficiency in buildings and modernization (Pardo-Bosch & Aguado, 2016), and asset management throughout the life cycle (Ruparathna, Hewage, & Sadiq, 2017). However, very few of major European cities are able to provide data on the amount and value of their public buildings (Yilema & Gianoli, 2018).…”