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Heritage classified

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Origin and history

The Church of the Holy Trinity of La Trinité de Thouberville came into being in the 10th or 11th century, as evidenced by its flint walls arranged in opus spicatum, a technique characteristic of this period. The building, initially placed under the patronage of Bourg-Achard's priory, was enlarged in the 12th century, then equipped with a south Gothic door in the 15th century and a Renaissance roofing panelling in the 16th century. These transformations reflect its growing importance in the region of Roumois, then marked by a feudal and religious organization structured around the priories.

In 1175 Nicolas de la Londe offered the church to the priory of Bourg-Achard, an act that sealed his monastic destiny for the following centuries. This link with Bourg-Achard is part of a broader territorial context: in the 11th century, Thouberville was a vast estate spanning four current municipalities (La Trinité-de-Thouberville, Saint-Ouen-de-Thouberville, Caumont and Bourg-Achard). The toponymy of the commune, combining La Trinité (Christian hagiotoponym) and Thouberville (derived from the Anglo-Scandinavian name Thorbert), bears witness to this medieval history between Viking heritage and Norman Christianization.

Classified as a Historic Monument in 1971, the church preserves remarkable elements such as its early nave and cemetery cross of the 15th to 16th centuries. These remains are part of a Normandy rural landscape, where religious buildings served as social and spiritual hubs for agricultural communities. The proximity of the Seine Valley and the surrounding forests (such as the Londe-Rouvray) also influenced the local economy, between cereal crops and logging, which has been central since the Middle Ages.

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