The Assessment of Density Bonus in Building Renovation Interventions. The Case of the City of Florence in Italy

The European Green Deal indicates the renovation of both public and private buildings as a key element for improvement energy efficiency in building stock, order to reach goals document itself. New incentives, also including density bonus, can significantly contribute foster diffuse actions. In Italy, bonus is under testing: current framework has produced profitability regeneration some areas unprofitability others. This led non-diffuse renewal, widening differences richness quality throughout territories subjected same reward measure. A territory characterized by high degree typological qualitative fragmentation dissimilarity. Thus, aim present work construction model that allows identifying entity measure terms bonus. Density determine feasibility interventions—in economic-financial relation urban impact—taking into account characteristics context (or micro-context) where they are performed. research based on Balance Sheet Model applied city Florence. suggests an innovative approach urban, landscape environmental impacts evaluated according economic amount needed their mitigation. expected results application consist definition iso-bonus map organized areas.