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Heritage classified

Key figures

Origin and history

The Villa La Ligne Righte, located at the entrance of the peninsula of Saint-Jean-Cap-Ferrat, embodies the architectural audacity of the 2nd quarter of the 20th century. Designed as a modern movement laboratory, it combines geometric correctness and naval aesthetics, with white facades, glass windows in strips, and a roof terrace accessible by a monumental staircase ramp. Its name evokes its sleek silhouette, while its details (hublots, steel railings, bow evoking a ship) bear witness to an assumed maritime inspiration. A central inverted funnel light well, crowned by a lantern-belvedere, flooded the interior space, removing the bearing angles to release the volumes.

Built between 1931 and 1932 by architect Jean Bouchet for Louis Le Sidaner (son of post-impressionist painter Henri Le Sidaner), the villa was built by the Niçois entrepreneur L. Renault. Requisitioned by the German army during World War II without suffering damage, she then changed her hands before being recognized for her exceptional heritage. Ranked Historic Monument in 2001 (after a 20th century Heritage label in 2000), it illustrates the transition to a functional architecture, where reinforced concrete, steel and glass interact with the Mediterranean landscape.

The villa is organized on four sloping levels, with an elevated ground floor housing rooms and workshops, and foundations dedicated to living spaces. The living room opens onto a rectangular patio (today pool), framed by a concrete colonnade reminiscent of an ancient peristyle, while a circular barbecue-belvedere dominates the site. The treatment of light is revolutionary: giant bays, removal of the d'angle poles, and play on transparency to highlight the Villefranche harbour. The heritage of the local olive groves, with 30 centenary olive trees, recalls the agricultural history of the peninsula before its urbanization.

Jean Bouchet (1897–?), an architect trained in Paris, marked his career with achievements in Île-de-France before moving to Grasse. Medal of honor at the Salon des artistes français (1922) and winner of the competition for the Hôtel de Ville de Puteaux (1931), he developed a clean style, combining modernity and classic references. The Villa La Ligne Righte, with its pure lines and its dialogue between art and technique, remains its most emblematic work, synthesizing the architectural utopias of the inter-war period.

Ranked entirely with its plot, the villa today embodies a protected heritage, symbol of Azurean architectural innovation. Its spectacular exterior staircase, its basting terraces, and its lantern-semaphore make it an icon of modern heritage, halfway between bourgeois residence and artistic manifesto. Its history, linked to the Sidaner family and the transformation of the French Riviera, makes it a privileged witness to the evolution of the resort modes in the 20th century.

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