The OneClickRENO (OCR) and iEPB projects aim to enhance building energy efficiency and EPBD implementation. OCR develops automatic building renovation passports, while iEPB creates a common data model that integrates different EPB assessments.

As Europe moves towards a more sustainable future, energy performance ratings are becoming a key driver in transforming the real estate market. Central to this shift is the Energy Performance Certificate (EPC), a policy instrument that not only certifies a building's energy efficiency but also seeks to incentivise investment in greener properties. The revised Energy Performance of Buildings Directive (EU/2024/1275) aims to improve comparability of EPCs across Member States, as well as making them more reliable and digitalised. However, Europe's diverse building stock and the varying energy policies of Member States present significant challenges to these goals.