renovate
US /ˈren.ə.veɪt/
UK /ˈren.ə.veɪt/

1.
renovieren, sanieren
restore (something old, especially a building) to a good state of repair
:
•
They decided to renovate their old house.
Sie beschlossen, ihr altes Haus zu renovieren.
•
The museum is planning to renovate its main exhibition hall.
Das Museum plant, seine Haupthalle zu renovieren.