The opening, to the retro-choir is framed by finely carved pairs of columns and pilasters in antis surmounted by a broken cornice and segmental pediment
The walls are painted with trompe l'oeil niches with figures of the Evangelists (north side) and Christian graces (south side). The nave ceiling has arches painted as if coffered dividing it into eight panels depicting the miracles and teaching of Christ
Two monuments on south wall one a black sarcophagus placed against a white pyramid to Mary wife of the 1st Marquess of Carnarvon (died 1738) by Sir Henry Cheeve and the other a large white sarcophagus with curved fluted ends to Margaret, Marchioness of Carnarvon who died in 1760
Other C18 monuments in base of tower.