Timeline

Heritage classified

Key figures

Origin and history

The Grand Séminaire de Saint-Brieuc was built between 1924 and 1928 according to a traditional monastic plan, under the direction of architect Georges-Robert Lefort. The building, composed of three wings and a chapel organized around a cloister, combines technical modernity (armed concrete) and regional influences, with a Celto-breton decor. Its architecture reflects a duality between constructive innovation and local heritage, typical of the 1920s.

The chapel, inspired by Art Deco, is distinguished by a marked contrast between its black and white mosaic floor and its walls painted in pink, ochre, grey and white tones. The mosaics, made by Isidore Odorico, as well as the decorative details, illustrate a thorough aesthetic research. This seminar, classified as a Historical Monument in 1995 for its facades, roofs and chapels, bears witness to the adaptation of religious forms to the artistic currents of the inter-war period.

Located at 18 rue de Genève in Saint-Brieuc (Côtes d'Armor), the Grand Séminaire is now owned by an association. Its construction is part of a post-First World War architectural renewal, where reinforced concrete allows bold achievements while integrating traditional motifs. The site, although partially protected, maintains a satisfactory location (note 7/10 depending on the sources).

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