Using digitized public accessible building data to assess the renovation potential of existing building stock in a sustainable urban perspective

• Public building registers can provide easily accessible and cheap data for indicators to support optimization of existing buildings in the early planning. There was still not enough meet requirements all Lack data, which, according legislation, should fact be available. is a need more research into uncovering how much uncertainty allowed publicly available impact quality has on possibilities assessing improvement opportunities buildings. Being able assess potentials obstacles regarding different scenarios an old essential. However, needed this information operational suitable design planning phases rebuilding or renovation. The purpose study investigate using from public databases as possible input inform designers other stakeholders about renovation potential urban developments. This includes evaluating sustainability indoor climate, energy savings, flexibility, affordability, materials composition, recycling opportunities, etc. Denmark frontrunner digitalizing making them accessible. results mapping three show that they – although were initially established purposes taxation, preservation, savings put new use circularity perspective. even though far digitalization analysis also shows there are gaps, outdated errors registrations addressed. Therefore, article lists recommendations developing national regional digital better decisions development.