Construction begins 1639 (≈ 1639)
Launch of Bretonvilliers Island (1-13 rue Saint-Louis).
4 juillet 1988
Registration of facades
Registration of facades 4 juillet 1988 (≈ 1988)
Protection of facades and roofs by stop.
5 juillet 1993
Classification of stairs
Classification of stairs 5 juillet 1993 (≈ 1993)
Helical staircase and cage classified.
Aujourd'hui
Aujourd'hui
Aujourd'hui Aujourd'hui (≈ 2025)
Position de référence.
Key figures
Information non disponible - No name cited
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Origin and history
The mansion located at 7 Rue Saint-Louis-en-l'Île, in the 4th arrondissement of Paris, is part of the islet Bretonvilliers, a rental complex built between 1639 and the 18th century on Île Saint-Louis. This real estate project, developed in the 2nd quarter of the 17th century, illustrates the progressive urbanization of the island, then booming under the Old Regime. The building is distinguished by its helical staircase with wooden ramp, an architectural layout not very common, inscribed in a rectangular cage, reflecting the technical innovations of the period.
Ranked a Historic Monument, the hotel owes its protection to two separate stops: the facades and roofs were inscribed by order of 4 July 1988, while the staircase and its cage were classified on 5 July 1993. These measures underscore the heritage value of the building, both for its architecture and for its integration into the historic fabric of Île Saint-Louis. The official address, 6 rue de Bretonvilliers and 7 rue Saint-Louis-en-l'Île, reflect the complexity of Parisian urban divides.
Available sources, including Monumentum and Mérimée data, indicate that the building is part of a coherent set (numbers 1 to 13 on Rue Saint-Louis-en-l'Île), built from 1639. The location, noted as "passable" (5/10) in the databases, suggests minor uncertainties about its exact location, although GPS coordinates point to 7 rue Saint-Louis-en-l'Île. No information is provided on its current accessibility (visits, rentals, etc.).
