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Heritage classified

Key figures

Origin and history

Guilguiffin Castle, located in Landudec, Finistère, was built between 1750 and 1760 on the initiative of Nicolas-Louis de Plœuc, Marquis and adviser to the Parliament of Brittany. It replaces a ruined medieval mansion, whose stones are reused for the new building. The architect Nicolas Pochic, specialist in religious construction, directs the works, integrating traditional Breton elements such as the omnipresent granite and a high slate roof.

The estate is organized around a central house body flanked by two pavilions, with an honorary courtyard decorated with carved pillars evoking hunting scenes. At the back, the communes, the chapel (rebuilt in 1847 by the Conen de Saint-Luc) and a dovecote of the sixteenth century complete the whole. The park, designed simultaneously, has a converging gangway leg and grassed fences, reflecting the influence of classical gardens.

The castle bears witness to the evolution of aristocratic residences in the 18th century, mixing innovation (distribution corridors) and tradition (monstrous granite staircases, high roofs). The chapel, dedicated to the Immaculate Conception, houses 19th-century stained glass windows and coats of arms of the Pleuc and Conen families of Saint Luc. The dovecote, with its 640 bolts, recalls the seigneurial status of the estate.

Originally, the site was occupied in ancient times by two prehistoric villages, whose remains were discovered in the 19th century. The medieval mansion, the successive possession of the Guilguiffin families, Tyvarlen (from 1540) and Plœuc (from the 16th century), was demolished to give way to the present castle. Nicolas-Louis de Plœuc, reputed to be tyrannical towards his peasants, wanted a dwelling at the height of his rank.

The Revolution divided the Pleuc family, and in 1843 the estate passed to Jeanne-Rose de Plœuc, wife of Athanase Conen de Saint-Luc. The latter undertook restorations, including the reconstruction of the chapel. In the 20th century, the castle, classified as Historic Monument in 2002, became a private property welcoming guest rooms. Its architecture, park and outbuildings make it a remarkable example of the Breton heritage of the 18th century.

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