West tower is mid-C13 of three stages externally undivided on an unusually deep battered and moulded plinth about eight feet high, angle buttress at east end of south side at junction with nave, recessed octagonal spire with roll mouldings at angles, broached in stone slate to corners of tower
on north side above the plinth is a C17 doorway with a 2-centred head and a ledged studded door reached by stairs.
South wall of nave and chancel has, to the east of the porch, three evenly spaced square-headed windows of two trefoiled and ogeed lights with glazed spandrels, between the right and centre ones is a chamfered square-headed opening with C17 nail-studded priest's door, between the left
centre is a gabled 3-light C14 cinquefoil window, probably to light a former rood screen, with a 2-centred head projecting above eaves level, beneath it is a blocked window opening
South porch is C14 with diagonal weathered buttresses, 2-centrd double-chamfered outer arch, label, gable cross and a pair of 2-light square-headed ogeed and trefoiled openings, one to each return wall
four-bay arcade separates nave and chancel from northern adjunctions, the west bay is C12 with semi-circular arch and scalloped capitals
C13 eastern bay to north chapel has 2-centred arch with two chamfered orders, responds have attached shafts with moulded base and capitals.
Chancel has stained glass in east window with date 1630, when it was probably assembled by Richard Scudamore whose monogram "Rs" appears with scenes of the Magi and Nativity
fragments of medieval glass in spandrels of easternmost window on south side
C17 panelled dado around east end
C17 communion rails project almost three yards from east end enclosing altar on three sides, stick balusters, with turned balusters and ball finials to corners and entry, top rail moulded on underside
south wall has wall monument to 14 from the parish killed in World War I and three in World War II
several other wall monuments to members of the Phelps and Ley families, late C18 to late C19, including one for William Henry Ley, 1815-87, parish priest for 46 years
brass cross on altar inscribed to Augustin Ley, 1842-1911.
Nave has on south side at liturgical junction with chancel an early C17 pulpit, enclosed hexagon with matching door on one side, four rows of panels, the bottom plain, the next with circular interlace design, then blank arches with Ionic capitals and pilasters, frieze and scrolled brackets with acanthus decoration supporting projecting desk with chamfered zig-zag edge and stylised foliage
south window immediately west of pulpit has stained glass, perhaps C15 with inscription " .. ? me fecit" in black-letter and Crucifixion
font is C19 or re-cut with octagonal base, circular stem and octagonal bowl with curved underside
western gallery is probably early C17, supported on three pilastered segmentally-headed bays with key pendants, gallery front has four square panels with square projections in the centre of each border
organ on gallery, given by Sir William Mather in 1899 and restored in 1924, has three bays, crocketted pinnacles and quatrefoil decoration with the inscription ALLELUIA/ PRAISE YE THE LORD/ ALLELUIA: on north side is wall monument for Thomas Farmer Turville, died 1824, in form of tapering sarcophagus on clawed feet with oval lid decorated with acanthus
C19 vestry contains a C17 chest with square panels on lid, front and ends.
North chapel entered from chancel through small 2-leaved doors constructed of Cl7 square panels, has C14 quadripartite rib vault rising from moulded corbels
north window has stained glass for Edward Jones and family who died between 1787 and 1861, depicting the Ascension with inscriptions "Ye men of faith" and "Why stand ye gazing up into heaven"
large wall monument on west wall to Thomas Symonds and his wife, Penelope, died 1760 and 1771, by Thomas Symonds, died 1791, moulded surround with 2-centred head
several other wall monuments to Dew, Powell, Gwillim and Prichard.
North aisle has stained glass in west window, for members of Symonds family who died 1869 to 1877, depicting Faith, Hope and Charity with inscription "The greatest of these is Charity"
on north wall monument for William Powell, died 1680 in white marble with moulded base, scroll and cartouche-of-arms, above which is inscription and two cherubs pulling aside drapery to reveal an urn over a segmentally-pedimented baldacchino: on west wall other monuments to Turville, Powell and Crowther.