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Heritage classified

Origin and history

The Breteuil Pavilion, also known as the International Bureau of Weights and Measures, is a building located in Saint-Cloud, Hauts-de-Seine. This building is part of the Domaine national de Saint-Cloud, a heritage complex protected by decree in 2022. Its interior parts were fully classified under the Historic Monuments by the same decree, stressing its historical and architectural importance.

The Domaine national de Saint-Cloud, to which the Pavillon de Breteuil belongs, is an emblematic site of the Île-de-France region. This type of domain, often linked to the history of science or public institutions, reflects the changing uses of heritage spaces. In Saint-Cloud, as in other communes in France, these places were used as a framework for administrative, scientific or cultural activities, in line with the needs of the population and institutions.

The address of the Pavillon de Breteuil is mentioned as being both in Saint-Cloud and Sèvres, perhaps reflecting a horse location between these two communes. The site is managed under the Insee de Saint-Cloud code (92064), in the Hauts-de-Seine department. The accuracy of its geographic location is assessed as poor, which may complicate an accurate identification of its location.

The Breteuil Pavilion's classification as a historic monument is part of a process of preserving national heritage. This decree of 2022 helped to protect not only the building itself, but also its integration into a wider area, reflecting the importance attached to the conservation of heritage collections in France. No information is available about its accessibility to the public or its current uses, such as visits or rentals.

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