Chancel c.1300 and north nave arcade.
West tower early C14 reducing length of earlier nave by c.7 feet with arcade remains in south face.
Paris chapel late C15 added on south side of chancel, and north chapel c.1500 formerly known as the Millicent chapel now housing the organ.
Aisle walls rebuilt and clerestory added c.1500 or later, blocking the earlier clerestory windows and uncovered in C19 above south arcade.
Gallery, pews and three-decker pulpit removed 1872.
Roofs of lead and red plain tiles.
Embattled parapet, lancet-light and asymmetric gargoyle.
Sundial in aisle parapet, C18 and two on buttress medieval and later.
Interior: Nave, south arcade of five and a half bays with two-centred arches of two moulded orders with alternate round and octagonal piers with moulded capitals and restored bases, the two eastern most arches are C19 replacing an original pier, above the arcade are three c.1200 clerestory windows, circular and quatrefoil.
C17 panelling to north wall and vestry.
Modern gothic-style reredos with some C15 tracery.
Belfry doorway with a C14 caernavon arch.
Chancel roof C14, braced collar rafter type.
Monuments.
south aisle large monument in white and grey marble of an obelisk and urn flanked by two figures standing on a bow fronted pedestal with an inscription panel to Eliz wife of Thos Bacon of Catley Park and her brother Peter Standley of Paxton Place Hunts.
North chapel to east wall large monument of painted clunch with inset marble panels of two stages and embellished with architectural detail, to John Millicent and Alice his wife and others 1655, white marble composition with cartouche of arms to Charles Wright, Dr of Theology and Professor of Arabic at Cambridge University with no date, white marble slab to Elizabeth Owen 1805, grey marble to Edward Chapman 1695.
North aisle white marble tablet with urn to Sarah Lonsdale 1806, Grecian composition to Robert Millicent 1740 and Rev. Christopher Lonsdale 1785, wall monument of marble of three colours, gilded with swag cartouche and two cherubs to Robert Flack 1704 and Anne his wife 1705, similar monument surmounted by a bust to Susanne Green 1693, and another similar monument to George Flack with no date.
Wall monument in tower of white marble with oval in border of swags and cherubs with cartouche of arms to John Lone 1700 and his wife 1702, similar monument to John Line 1702.
South aisle monuments, marble tablet in Grecian style signed by Westmacott London, to Elizabeth Owen 1803.
Glass C15 or C16 reset in west window of south wall of south aisle.
Buildings of England, p424 Cole, W. Notes on Monuments, 1742