Nave has unmoulded arched Norman north doorway, blocked C19: C19 lancet and 2-light perpendicular-style windows in south wall.
Chancel has mid C14 2-light cusped east window
C19 benches, organ and octagonal pulpit.
Early C17 oak panelling in sanctuary with original painted floral decoration
In the Chapel (almost rebuilt C19), a large canopied table monument to Sir Edward Lewkenor and Susan his wife who both died 1605 of smallpox
The monument of Sir Edward and Lady Lewkenor with children 1605 St.Marys church Denham Suffolk.
Another monument to grandson Sir Edward Lewkenor, a marble tomb by S. and M. Christmas with recumbent effigy in armour.