 The building, a basilica with transepts, has a pointed barrel vault, with a plain ribbed vault at the crossing, on substantial cruciform columns, the capitals of which, in the form of very simple foliage motifs, are very finely carved.The chapter house and the day-room, in the east range, and the cloister were all constructed in the 13th century, the cloister with plain Romanesque arches and the day room has a Gothic vaulted ceiling, also of the 13th century.To the north of the cloister is the refectory, rebuilt in the late 13th century in the more elaborate rayonnant Gothic style.