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Heritage classified

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Origin and history

Mouillemuse Manor House, located at Noyal-Châtillon-sur-Seiche in Ille-et-Vilaine (Bretagne), is a heritage estate with traces dating back to the 15th century, although the current house dates mainly from the 18th century. It is distinguished by its modest but coherent architecture, including a rectangular house body flanked by two pavilions, one in stone and the other in coated earth. The estate, which has hardly been modified since the 19th century, also includes moat, orangery, commons and a farm, all surrounded by a park.

The mansion belonged successively to the Acigné, Boterel and Viard families, reflecting its anchor in local history. Its designation as historic monuments on 11 December 2015 protects the entire estate, with the exception of some parcels. This recognition underlines its rarity: an area not fragmented in the Rennes crown, having retained its integrity despite centuries. Its location, halfway between Noyal-Châtillon-sur-Seiche and Vern-sur-Seiche, near the river Seiche, reinforces its emblematic character.

Architecturally, the mansion illustrates a transition between the eras, with elements from the seventeenth, eighteenth and nineteenth centuries. The southern stone pavilion contrasts with the rest of the cement-coated earthhouse, showing a variety of constructive techniques. The outbuildings (orangery, farms, commons) and the park, surrounded by moat, form a harmonious whole. Despite its modest appearance, the estate is considered a remarkable example of Breton rural heritage, preserved from major transformations.

The 2015 protection specifically covers the whole house, the facades and roofs of the communes, orangery and farms, as well as the soil of the plots of the estate, excluding certain cadastral areas. This measure aims to serve a site whose value lies as much in its architecture as in its landscape unit. The mansion, although little documented before the 15th century, thus embodies both an aristocratic and agricultural heritage, typical of the Breton estates of the Ancien Régime and the 19th century.

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