The on-line meeting will count on high level presentations concerning Interreg Europe project results, the S3 Interregional Partnership, the European way of bringing buildings into the circular economy, as well as Technical Sessions related with New Financial Instruments; Professionalisation of the Construction Sector; New energy culture, citizens involvement and energy poverty; and Innovation. The BUILD2LC Boosting Low Carbon Innovative Building Rehabilitation in European Regions project, aims at increasing the energy rehabilitation of buildings in Europe, reducing energy consumption and enhancing policies which favour the creation of a market for specialised companies in this sector.