Work was not completed by 1756, and it was decided to turn Saint-Hubert into a full château, with a main building housing 25 nobles, plus two projecting service wings and a gatehouse creating a courtyard.
Construction of the estate was not finished by 1756, and it was resolved to transform Saint-Hubert into an entire château, comprising a central building for 25 nobles, along with two supporting service wings and a gatehouse forming a secluded courtyard.