Initial construction Début du Xe siècle (≈ 1004)
Round apse built by the monks of Vertou.
Fin du Xe siècle
Presence of Saint Gregory
Presence of Saint Gregory Fin du Xe siècle (≈ 1095)
Hermit using the church according to tradition.
Début du XIe siècle
Reconstruction of the nave
Reconstruction of the nave Début du XIe siècle (≈ 1104)
Nef enlarged and covered with a panel.
1968
Registration for Historic Monuments
Registration for Historic Monuments 1968 (≈ 1968)
Protection by order of 24 December.
Aujourd'hui
Aujourd'hui
Aujourd'hui Aujourd'hui (≈ 2025)
Position de référence.
Heritage classified
Église Saint-Martin-le-Seul (cad. AC 81): inscription by order of 24 December 1968
Key figures
Moines de Saint-Martin de Vertou - Suspected constructors
Would have built it in the tenth century.
Saint Grégoire de Nicopolis - Legendary hermit
Has occupied the church at the end of the tenth.
Origin and history
The church Saint-Martin-le-Seul de Bondaroy, located in the Loiret region of the Centre-Val de Loire, dates from the beginning of the 10th century, according to the tradition built by fugitive monks of Saint-Martin de Vertou. Its primitive architecture is characterized by a round arched apse in cul-de-four, typical of the preroman period, while the present nave, covered with a panel, would result from a reconstruction in the early 11th century. The choir, narrower and vaulted in a cradle, was reworked shortly afterwards, incorporating elements such as a eucharistic cabinet and traces of missing absidioles.
The structure preserves notable defensive or liturgical elements: an external turret with a staircase leading to ancient stands, a wooden porch protecting the west gate in the middle of the hangar, and a frame bell tower surmounted by a pyramidal arrow. A Romanesque window, open above the gate, and the monolyte lintel of the side door testify to medieval changes. The building, inscribed in the Historical Monuments in 1968, is linked to the legend of Saint Gregory of Nicopolis, hermit having occupied the place at the end of the tenth century.
The church illustrates the evolution of constructive techniques between the 10th and 11th centuries, mixing Carolingian heritage (semi-circular apse) and Romanesque innovations (close windows with internal burning, cradle vaults). Its history also reflects the monastic movements of the time, with the presumed involvement of monks fleeing Norman invasions. The 1968 protection underscores its heritage value, despite partial changes over the centuries.
The site, a communal property, retains an average location accuracy (level 6/10 depending on the sources), with an approximate address near the hamlet of Saint-Grégoire. Its original plan, marked by an enlarged nave and an elevated choir, makes it a rare witness to rural religious architecture of the first Middle Ages in the Loire Valley.