Sandstone rubble with sandstone ashlar and tufa dressings, machine-tiled roofs with decorative ridge tiles and gable-end parapet with cross finial at east end.
West tower: mid-C14 and of four stages, undivided externally with a moulded plinth.
Nave: C11
north wall faced with original herringbone masonry (probably entirely of this type of construction once) and in it is a 2-light C15 window with a square head.
The east bay of the original two-bay C15 north aisle was demolished in the C19, but the outline of the archway into this bay can be seen externally and also the piscina.
It has a lean-to roof, a reset 3-light C14 window with a square head (only the jambs are original).
The south aisle was added in the early C14 and has a separate gabled roof and angle buttresses with offsets (largely rebuilt) at the corners.
At the east gable end of the nave are two 2-light square-headed C15 windows set either side of the chancel roof.
Chancel: rebuilt and lengthened in the early C14 -and apparently narrower than its predecessor.
There are diagonal buttresses with offsets at the east end and the C14 east window is of three lights with reticulated tracery In the north wall are two pairs of C14 cusped lights with quatrefoils above.
The south wall has been partly refaced and has two 2-light windows and, between them, a C14 doorway with moulded jambs and pointed head.
INTERIOR: C15 north arcade of two bays (eastern archway is blocked) with pointed arches of two moulded orders and a central octagonal column with a C19 embattled capital.
The early C14 south arcade is of two bays with pointed arches of two orders springing from an octagonal column and semi-octagonal responds.
Above, at rood loft level is a C14 recess with a cusped head.
West of the arcade is an C11 round-headed light.
The restored early C14 chancel arch is two-centred and of three orders, the inner mould and the outer two hollow-chamfered, and has semi-octagonal responds.
To the north of the tower arch is a C15 doorway with chamfered jambs and two-centred head.
The nave has an early C15 hammer-beam roof with arch-braced collars forming segmental arches and with cusped wind braces forming a row of lozenge-shaped panels.
The south aisle has a C14 roof with arch-braced collar trusses with V-struts above the collar and having alternate cusped arch-braced tie beams.
In the east jamb of the south-east chancel window is a C14 piscina and a sunk panel with a cusped head.
There is also a C19 double sedilia beneath the south-east window with a central C14 stone arm.
C14 piscina with cusped head in south aisle, also C14 stoup to east of south doorway.
Early C17 altar table with turned legs at east end of nave.
The north chapel has numerous memorials to the Davies and Kevill Davies families of Croft Castle and Wigmore Hall dating from 1738-1832.
There is also a mid-C18 Davies memorial in the tower and several C19 memorials in the nave.
Glass: in the south aisle east window are fragments of C14 glass.
Also some mid C19 chancel glass by D Evans of Shrewsbury.