Timeline

Heritage classified

Key figures

Origin and history

The former convent of cruisers, located in Lannoy in the Hauts-de-France, was originally an abbey founded in the 15th century (1474) for the canons of the order of Saint-Croix, called Cruisers. These religious remained there until the French Revolution, when the site was secularized. After their departure, the convent buildings were gradually demolished, with the notable exception of the entrance door, the only preserved vestige of the medieval abbey.

At the beginning of the 19th century (1818), the Mulle family acquired the estate and established a brewery there around 1860, partially reusing existing structures. In 1896 a maltry was added, equipped with a double drying system. Despite the almost total destruction of industrial buildings in 1990, the historic entrance door was classified as a Historic Monument in 1986, reflecting the heritage importance of the site. Today, only this portal, owned by the municipality, remains.

The site illustrates the transformation of a religious place into an industrial space, typical of the economic changes of the 19th century in the North of France. The Mulle Gadenne brewery, also known as Les Croisiers, became a major local actor before its disappearance. The protected remains recall both the monastic and industrial heritage of Lannoy, marking its urban landscape and collective memory.

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