The summit on the transformation of existing properties brings together visionary minds, pioneers and decision-makers from the construction & real estate sector, science & research, tech & venture capital as well as institutions & associations.As part of the summit, a knowledge & results paper on the handling of the existing and decarbonization of the building sector will be developed in keynote speeches, impulses, panels, panels and interactive workshops and a final agreement of the participants of the joint properties”. The positioning, establishment and strengthening of Cologne and North Rhine-Westphalia as an innovation location is also the focus.