Construction of housing Fin XVe siècle (≈ 1595)
Initial medieval core of the mansion.
XVIe siècle
Adding the oratory
Adding the oratory XVIe siècle (≈ 1650)
South extension with private religious space.
Première moitié du XVIIe siècle
Classic expansion
Classic expansion Première moitié du XVIIe siècle (≈ 1725)
Staircase and additional parts added.
25 novembre 2010
Registration Historic Monument
Registration Historic Monument 25 novembre 2010 (≈ 2010)
Legal protection of remarkable elements.
Aujourd'hui
Aujourd'hui
Aujourd'hui Aujourd'hui (≈ 2025)
Position de référence.
Heritage classified
The 15th century mansion and the 17th century oratory, in total; façades and roofs of the 17th century building; the stairwell with balusters; the entrance gate with the remains of arches of warheads (cf. AC 56, 218): registration by order of 25 November 2010
Key figures
Information non disponible - Owners or sponsors
No names mentioned in the sources.
Origin and history
The seigneurial mansion of Saint-Martin-Lars-en-Sainte-Hermine is a typical example of the rural architecture of local elites between the Middle Ages and the modern era. Built in the late 15th century, its original house body reflects the defensive and residential needs of a modest-sized seigneury. The central courtyard, now devoid of its original dovecote, was framed by agricultural buildings and communes, illustrating the economic autonomy of these areas. The absence of major fortifications suggests a vocation primarily agricultural and social rather than military.
In the 16th century, a small building housing an oratory and an annex room was added south of the medieval home, reflecting the growing importance of private devotion among rural lords. This extension, though modest, marks an evolution of post-Renaissance religious practices, where noble families integrate places of worship into their daily lives. The choice of an oratory rather than an independent chapel also highlights the limited resources of this seigneury compared to the large castles of the region.
The first half of the 17th century saw a significant expansion of the house with the addition of a staircase cage with balusters and two new rooms (a room and a kitchen). These changes reflect the adaptation to the new comfort standards of the classical era, while maintaining the original medieval structure. The stairwell, a remarkable architectural element, also symbolizes the social status of the owner, even in a rural context. The façades and roofs of the 17th century, now protected, perpetuate this mixture of traditions and innovations.
The ensemble, registered with the Historical Monuments in 2010, also includes an entrance gate with remains of arches of warheads, rare witness to the original defensive or decorative developments. Legal protection covers specific elements: the 15th century mansion, the 17th century oratory, the classical facades, and the stairwell. These choices reflect the desire to preserve both medieval history and subsequent transformations, providing a complete panorama of architectural evolution over three centuries.
The location of the mansion, at the 5 Chemin du Château, in a rural village of Vendée, explains its relative state of conservation and its distance from the main tourist axes. The map accuracy considered passable (note 5/10) suggests uncertainties about the exact grip of the historical domain, perhaps reduced over the centuries. The absence of public openings or tourist enhancements in the available sources indicates a monument still little known, despite its undeniable heritage interest.