Next-generation Dynamic Digital EPCs for enhanced quality and user awareness (D^2EPC) project aspires to deliver the next-generation EPCs framework, based on a set of novel and user-friendly, holistic and human-centric indicators, which cover significant aspects of buildings energy performance including smartness, sustainability, environmental, human comfort and financial aspects. D^2EPC will be based on Level 3 6D-BIM literacy, integrating smart meters real-time data and activities profiling into the calculation process through digital twins.