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Department of Architecture Technologies, Faculty of Architecture, Civil Engineering and Geodesy, University of Banja Luka , Banja Luka , Bosnia and Herzegovina
Department of Engineering, Reykjavík University , Reykjavik , Iceland
Decarbonizing the existing building stock requires moving beyond an approach based solely on reducing operational energy consumption and toward an integrated life-cycle assessment perspective. The standardization framework for building renovation encompasses energy performance, life-cycle assessment (LCA), environmental product declarations (EPDs), and broader sustainability frameworks. This paper conducts a structured review of relevant standards and groups them into thematic clusters. By comparing system boundaries, data structures, and the roles of different professionals, the study analyses their interconnections, overlaps, and conflicts, with the aim of presenting a multi-layered framework for the building renovation process. The results highlight key interactions within the standardized system, as well as methodological implications for holistic energy renovation, while positioning professionals within an approach based on the consideration of the building’s whole life cycle.
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