In these 7 years the REbuild Community has operated on sustainability and building innovation, introducing concepts and perspectives that have become common language. In spite of this, Italian buildings and construction sites are not very sustainable and innovation still remains the prerogative of the few operators. What is the economic value created by sustainability and innovation? And how can it be included in the financial models of real estate investments? To answer these questions, REbuild Italia conducted a research that will be presented in convention.