Leipzig Judicial Centre, Public Prosecutor’s Office with former GDR execution site (remembrance site), reconstruction and renovation of existing buildings, insulation basement ceiling and insulation against cold roof; Insulation outer walls (road-side internal insulation, courtyard-side WDVS); Installation of highly thermally insulated windows and exterior doors; Upgrading of listed windows and exterior doors; Installation of new energy-efficient systems for heat supply, ventilation technology and lighting