[1] It is classified as a monument historique by the French Ministry of Culture since 1840,[2] making it a part of the very first list of such heritage buildings.

[1][3] Interestingly, the former church of the nearby Marmoutier Abbey has an identical architectural history, but in reverse: the western part is Romanesque, the nave is Gothic and the choir was rebuilt in the 18th century.

[5][6] Among the many works of art inside the former abbey church, the four, late 15th or early 16th-century tapestries depicting the life and the miracles of Adelphus, on display in the upper of the superposed Romanesque chapels (dedicated to Saint Sebastian), are perhaps the most notable.

A strikingly gory scene depicts a knight being forced by divine wrath to devour his own hand after having tried to break the saint's sarcophagus.

[7] The 12th-century baptismal fonts, the 14th-century statue of the Virgin and Child, the 1478 Entombment of Christ, and the 18th-century carved choir stalls are also especially noteworthy.