The REHVA Brussels Summit Conference 2019 "Delivering healthy, zero-carbon buildings by 2050",  held on the 5th of November 2019, has tackled different issues influencing the future of the EU building sector: among these, the key role of building performance certifications to reduce finance gap in the sector. Three EU funded project, ALDREN (speakers Johann Zirngibl, CSTB; Pawel Wargocki, DTU), QUANTUM (speaker Stefan Plesser, synavision) and QUEST (speaker Stefan Plesser, synavision) have contributed to the discussion providing valuable insights on the topic and cutting edge results. The Speakers' presentations are available online.