D^2EPC ambitiously aims to set the grounds for the next generation of dynamic Energy Performance Certificates (EPCs) for buildings. The proposed framework sets its foundations on the smart-readiness level of the buildings and the corresponding data collection infrastructure and management systems. It is fed by operational data and adopts the ‘digital twin’ concept to advance Building Information Modelling, calculate a novel set of energy, environmental, financial and human comfort/ wellbeing indicators, and through them the EPC classification of the building in question. Under the project vision, the proposed indicators will render dynamic EPCs a realistic, accurate and comprehensive tool that can lead the transformation of the European building stock into zero-energy buildings and stimulate energy efficient behavioural change of the building occupants. To this direction, D^2EPC proposes a digital platform that will enable the issuance and update of new EPCs on a regular basis, integrate a GIS environment and provide, on top, value added services including user-centred recommendations for energy renovation, benchmarking and forecasting of buildings’ performance as well as performance verification services. The proposed scheme will contribute to the redefinition of EPC-related policies and to the update of current standards, along with guidance for their implementation and will introduce incentivisation and restriction practices into the EPC rationale. Additional benefits include enhanced user awareness and engagement on buildings’ energy efficiency, facilitated planning and decision making on local and regional policy level. To accomplish the above, the D^2EPC framework will be demonstrated in 6 sites, while its 12 partners coming from 7 European countries will collaborate and provide their expertise and resources within the 36 months of the project’s lifetime