C15, much restored in C19.
Formerly part of a Benedictine Priory of St. Albans Abbey, dissolved in 1536.
The former Nave became the present Nave and Chancel, with a fragment of the former central tower to the E, both early C12.
S vestry late C16.
it is C12, semi- circular and plain.
The 3 easternmost arches are C13, the other 2 with pier
respond C15.
Above the E pier is a single round-headed light of c.1100.
The second pier has a groove cut in the SW face for a former parochial rood-screen, and the wall above had a doorway at loft level, now blocked but retaining a plain oak frame on the N side.
W of the arcade is a high C13 lancet window, restored externally.
In the W wall is a C12 doorway, much restored, of 2 orders - the inner plain, the outer with chevron ornament
The C19 W doors incorporate panels with 4 shields cut away at top, c.1500.
The Vicar reports that roof structure of c.1300 survives in the E bay, boarded to the soffit in 7 cants.
The N aisle has on the N wall an early C16 crenellated parapet of brick.
the easternmost is of 2 trefoiled ogee lights with a trefoil in a 2-centred head with a moulded label, early C14
the second window is C19 except for the C16 brick head and Cl4 fragments
the third window is C19 except for the C15 jambs, splays and 2-centred rear-arch
the fourth window is of 2 cinquefoiled lights with tracery in a 2-centred head, C15
the crenellated coping of the turret is of C16 brick, repaired, and has an isolated, tabled buttress rising from the middle.
Between the 2 westernmost windows is the early C15 N doorway with jambs and 2-centred arch of 2 wave-moulded orders, and a moulded label.
In the W wall is a C13 lancet window, restored externally.
The S wall has on the ground floor a late C16 window of 3 lights with ovolo-moulded jambs, restored mullions, and square head, all of brick, and on the first floor 2 similar windows, of 3 and one lights.
In the Chancel there are 4 brasses. (1) 2 shields and the indent of an inscription plate, C15, (2) to an unnamed lady, descendant of the Bohuns, c.157O, inscription only, (3) ofJohn Allen, 1572, kneeling figure of a man in civilian dress and lady with children, indents of 2 other wives, scroll, plate and 2 shields, (4) to Martha (Glascocke), wife of Edmund Aleyn, 1593.
There are floor-slabs in the Chancel (1) to Martha (Aleyn), wife of Joshua Blower, vicar, 1639, and in the N aisle, (2) to John Godbold, 166-, (3) to Daniel Coys, with achievement of arms, (4) to Daniell Coys, 1673, with achievement of arms, (5) to John Sharp, 1727.
A screen in the E bay of the N arcade, not in situ, has a moulded cornice, doorway and 4 open bays all with trefoiled, sub-cusped and traceried heads and close lower panels, mid-C15, restored.
Immediately E of the N doorway there is a stoup with septfoiled head and broken basin, C15.
In the windows of the N and S aisles there is glass, not in situ, collected by John Wright in the C18, mostly English of the C16, and Flemish of the C16
C17, including the royal arms of Elizabeth.
There is a niche of uncertain date in the N wall of the Nave, above the third pier, with flat arched head, retaining traces of red paint, and a C15 niche in the E splay of the easternmost window of the N aisle, with circular head.