Timeline

Heritage classified

Key figures

Origin and history

The castle of the Forges of Lanouee came into being in the 1760s, when it was built as the house of the master of forges on the industrial site of the Forges of Lanouee, in the present department of Morbihan. This original, modest building was profoundly transformed in the 19th century to adopt a neo-Louis XIII style, with a depth and length widening around 1850, followed by the addition of two symmetrical pavilions at the end of the century. These changes reflect the social and economic development of the site, from intensive steelmaking to gradual conversion into residential and agricultural areas.

In 1802, Baron Louis Henri de Janzé acquired the castle and forges, marking the beginning of a transitional period for the site. Janzé's family, then the following owners such as M. Lebreton (from 1925), entrepreneur in Lorient, and his descendants (including Louis Renault, industrialist in Angers), preserve and adapt the estate. The chapel was enlarged in 1895, and ancillary buildings, such as a farm (1887) or social services (1908), were erected to structure the surrounding working-class city. These developments illustrate the desire to maintain a community organization around the castle, even after the forges were stopped in 1864.

The 20th century saw the permanent conversion of the site into an agricultural and landscaping area, with the creation of a garden in boxwork beds (circa 1910) and the installation of a hydroelectric plant in 1932 by Commander Pierre Levesque. The blast furnace, a symbol of past industrial activity, is transformed into a water reservoir, while the houses of the blacksmiths, aligned perpendicular to the commons, bear witness to the workers' heritage. The castle, registered as a historical monument in 2007, retains a mixed architecture of brick and stone, with a central wooden staircase and reception rooms organized around a vestibule.

The architectural ensemble, completed by a working-class city, a Latin cross-shaped chapel, and regular gardens with basin and nymph, reflects a history of both industrial, social and residential. The materials used (brick, limestone) and the decorative elements (lucarns, corner chains) highlight the mixing of the eras, while buildings such as "ambulance" (medical service) or "small house" (offices) recall the nineteenth century paternalist organization. Today, the castle remains a unique testimony of the evolution of a productive site into a preserved heritage estate.

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