Its wood-panelled, vaulted ceilings are decorated with paintings, created by the workshops of Le Floch for the choir and transept (1667-1675) and by Claude Hauteville for the nave (1692). You’ll notice a beautiful decorative unity in this chapel, which was listed as an Historic Monument in 1957.
There are 64 paintings including 58 scenes and various characters: the Life and the Passion of Christ, the Life of the Virgin, various interventions of the angels ministering to men, Evangelists and doctors of the western world. The paintings were created between 1667 and 1675 and were completed in 1692. They remind us of the painted placards (known as Taolennoù) invented by Michel Le Nobletz, which he used to illustrate his preachings.