Fine late C15 west tower of 4 stages has set-back, 3-stage, angle buttresses to lower 3 stages
Quatrefoil frieze above and castellated ashlar parapets with central gargoyles
Early C14 piscina and double sedilia to right of altar have crocketed gables with pinnacle between
Octagonal font
Monuments: Sir Rolf Greene died 1417 by Thomas Prentys and Robert Sutton, cost 40 pounds
pair of alabaster effigies on chest tomb in north chapel, with angels under canopies around the sides
Vaulted canopy above the head of each figure, base of shafts to support canopy over whole
Henry Green died 1467 and wife: chest tomb with panels and shields, in south transept with 2 brass effigies on lid
William, infant son of first Earl of Peterborough, died 1625, plain tablet with detached columns supporting an entablature with a semi-circular device above, set between early C14 pinnacles, one with gable between, in north chapel
Semi-reclining white marble figure on chest tomb with bolection-moulded pilasters
Sir John Germain died 1718, semi-reclining marble figure in armour, on chest tomb with 3 smaller semi-reclining figures
Lady Elizabeth Germain died 1760, inscribed brass tablet
Last 3 monuments in north chapel
Charles Sackville, fifth Duke of Dorset died 1843, white marble chest-tomb by Westmacott Junior has draped mantle, shield and coronet with lifesize angel seated alongside
Stained glass: north aisle windows have panels of reset glass c.1330-40 depicting 16 figures originally from a Jesse window, with the exception of a kneeling figure
Centre bands of south chancel windows also have medieval glass
6 windows with C19 stained glass in north and south aisles and chancel
2 hatchments in south transepts and painted Royal arms above chancel arch. (Buildings of England: Northamptonshire, p.297