Interior: chancel has chamfered pointed arched niches, flanking east windows, with traces of medieval wall-painting inside
North aisle has piscina with cusped head and traces of medieval wall-painting to jambs of former east window, overlaid by C16/C17 texts
Octagonal font with stiff-leaf foliage
Complete set of C18 box pews and double-decker pulpit with marquetry to panels and sounding board
Royal Arms of George IV, dated 1825, oil on board
5 Fermor hatchments, oil on canvas
Stain-glass east window said to be designed by Sir F. Shuckburgh (Pevsner) made by F and C. Crace
Large alabaster monument to Sir George Farmer (sic) d.1612 and Dame Mary d.1628 with two recumbent effigies, children kneeling in relief to front of tomb chest, arch behind supported by Corinthian columns, its head filled by scalloped fan with pennons
Strapwork to spandrels, obelisks and achievement of arms flanked by allegorical figures
Marble wall monument (in chapel) to Anne Fermor d.1740 with obelisk background
Another large Grecian style monument to Peter Denys d.1816 and Lady Charlotte Denys d.1835 with relief of three female genii hovering over draped urn and sarcaphagus
Other C19 and C20 Fermor and Fermor-Hesketh monuments. (Buildings of England: Northamptonshire: 1973, pp200-201