An energy performance certificate according to EnEV exists. Date of issue: 30.04.2021 Date of Expiry: 29.04.2024 Year of construction: 1958 Type of energy performance certificate: Requirement certificate Significant energy sources: District heating 70% K* Final energy electricity: 4,00 kWh/(m²*a) Final energy heat: 45,00 kWh/(m²*a)