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Heritage classified

Key figures

Origin and history

The Château de Gadancourt is a 17th and 18th century building located in Val-d'Oise, Île-de-France. Ranked a historic monument in 1948, it is distinguished by a homogeneous eastern facade despite its two phases of construction. The main body, rebuilt in 1768 by François-Jean Roger, squire of the king, integrates harmoniously with the pavilions of the sixteenth century, creating a coherent architectural ensemble.

Attested from the 15th century, the castle was first linked to David de Hazeville, the local lord, who erected the pavilions at the end of the 16th century. According to tradition, John Calvin began writing L-Institution of Christian Religion in 1534. The estate, including a building called The Monastery, has been protected since 1948. Owned by the Aubourg de Boury family, it illustrates the evolution of seigneurial residences in Île-de-France.

The castle is characterized by a central body with triangular pediment, flanked by two French pavilions. Although partially visible from the street, its park and outbuildings, such as The Monastery, bear witness to its historical importance. The monumental chimneys and symmetry of the court of honour reflect the prestige of its former owners, king's advisers and local notables.

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