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Heritage classified

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Origin and history

Tourdelain Castle, located in the commune of Saint-Thual en Ille-et-Vilaine (Bretagne region), is a building dating back to the early seventeenth century. It was built at the site of an ancient 13th-century building, reflecting an ancient noble occupation. The main body, of elongated rectangular plane, is framed by two low wings forming a U, supplemented by an isolated pavilion with imperial roof and a false chapel. These architectural elements reflect the stylistic evolutions between the 17th and 18th centuries, with traces of subsequent changes.

In 1740, the castle underwent extensive work, as evidenced by the dates on the structures, including a chimney strain. A century later, in 1829, the facade was renovated, marking a new phase of transformation. The house preserves woodwork from the Louis XIV period as well as decorations made at the beginning of the twentieth century by Jobbé Duval, a Rennes decorator, whose signature appears in the chapel (1910). These additions illustrate the adaptation of the castle to the tastes and needs of successive eras, while preserving major historical elements.

The estate also includes a seigneurial justice building, a small building covered with an overturned roof, recalling the judicial and administrative role of the castle under the Old Regime. Since December 16, 1943, facades, roofs, chapel, Louis XVI woodwork and the park have been listed as historical monuments, protecting both architectural and social heritage. Together, with its farm in squared bellows, offers a representative example of Breton noble residences, mixing residential, religious and judicial functions.

The location of the castle, north-west of the department of Ille-et-Vilaine and south of the town of Saint-Thual, makes it a historic anchor in a rural landscape. Its state of conservation, considered a priori satisfactory (note 6/10), allows us to consider visits or contemporary uses, although current practical information is not detailed in the available sources. The castle of Tourdelain thus embodies almost four centuries of local history, from its seigneurial origin to its modern adaptations.

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