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Origin and history

The Hotel du Grand Dean is a canon house built in 1607 as part of a subdivision for members of the primatia chapter of Lorraine. Sponsored by Antoine de Lenoncourt, the first great dean, it is designed by the Parisian architect master Lambert, who introduced in Nancy the model of the hotel between courtyard and garden. The works, entrusted to local craftsmen such as Jean Braconnier and Didier Barbonnois, were completed around 1619, with a second phase including a painting gallery and annexes.

The building, in stone and brick style, is organized around two courtyards: a main courtyard with a one-storey house body, and a common courtyard bordered by outbuildings. The facades, adorned with harps and black-brick lozenged motifs imitating the fortifications of the Netherlands, reflect the local military influence. The stone ramp-on-rail staircase, initially surmounted by a statue of the Virgin, serves an interior where French ceilings and 19th-century decorations remain.

In the 18th century, Henri-Hyacinthe de Tornielle, great dean between 1711 and 1742, undertook major modifications: reconstruction of the gate on Mably Street, elevation of the main body, and repair of the structure (dated 1721). The French Revolution partially spared the hotel, although the coat of arms of Pierre de Stainville disappeared and the last great dean, Jacques-Marc-Antoine Mahuet de Lupcourt, was imprisoned. The building, transformed into a dwelling house, underwent interior modifications in the 19th century, including the division into two parts after 1865.

In the 20th century, the hotel houses commercial activities (chapelier, faucet) before being registered for historical monuments in 1944. A major restoration of the garden façade was carried out in 2014. Today, the building, shared by several owners, retains remarkable elements such as the bust of Duke Henri II of Lorraine (copy of the 19th century) and its listed staircase.

The Hotel du Grand Dean illustrates Nancy's architectural and social evolution, moving from a prestigious ecclesiastical residence to a multipurpose building, while preserving traces of its Lorraine history.

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