5 bay nave and aisles: these are nave and aisles of Abbey church, E end being blocking wall dating from Dissolution inserted in last bay before crossing (springing of arcades Eastwards still visible). 3 bays to E have plain early C12 arcades with semi-circular arches on rectangular piers with square moulded abaci
2 bays to W have early C13 arcades with pointed arches, the NE one with dog-tooth decoration
1881 Norman style N doorway, surmounted by c.l120 panel showing Christ flanked by Sts Peter and John, framed by columns supporting round-headed arch
S aisle has C15 doorway above which is 2-light square-headed window
W elevation dates from early C13
Pointed-arched central doorway, surmounted by C15 square label
Above this is C16 4-light window with square head
S vestry: originally the early C13 outer parlour
Brasses include one to Margery Argentine, d.1427, and one to Elizabeth Herwy, Abbess of Elstow, d.l527