Church of St Mary is a Grade II* listed building in the Vale of Glamorgan local planning authority area, Wales. First listed on 22 February 1963. A Medieval Church.
Church of St Mary
- WRENN ID
- former-pedestal-ochre
- Grade
- II*
- Local Planning Authority
- Vale of Glamorgan
- Constituency
- Vale of Glamorgan MP: Kanishka Narayan (Lab)
- Country
- Wales
- Date first listed
- 22 February 1963
- Type
- Church
- Period
- Medieval
- Address
- Church of St Mary, Monknash, Cowbridge / Y Bont-Faen, St. Donats
- OS grid reference
- SS 921 704
- Coordinates
- 51.42295, -3.55314
- Source
- Cadw listing
Description
The Church of St Mary is a Norman building, largely dating from the 12th century, constructed of local lias limestone rubble with a Welsh slate roof and gable coping. It features a chancel, a nave with a west bellcote and a south porch. The church retains Norman walling, with the exception of the porch. Visible external features include the remains of a blocked doorway in the north wall and a small, rectangular window in the north-east of the chancel.
The nave has a large, gabled south porch with a slate roof and battered side walls, containing two 18th-century memorials on the east wall. The porch’s entrance is segmentally headed with timber double doors. Inside the porch are lateral benches and a stone flagged floor, leading to a 16th-century door with chamfered jambs and a four-centered head, with a boarded door likely dating to the 20th century. The main nave wall has a plinth, with a two-light square-headed, mullioned window on the left of the porch and a three-light square-headed mullioned window with dripstone to the right. These windows have hollow chamfers and are likely late 16th century. The west end of the nave features a stepped stone bellcote on the gable, with a buttress to the north; the bell is dated 1637. The north wall of the nave is steeply battered, with disturbed stonework on the site of a former Norman doorway; otherwise, it is blind, though with a small rectangular window with a dripstone positioned high, likely for a rood. The chancel has a lower roofline than the nave. The north wall has a plinth and a round-headed, rope-moulded single light Norman window. The east gable wall is largely a Victorian rebuild, incorporating a three-light window in the Decorated style with trefoil heads to the lights and quatrefoils above. The south wall has a window consisting of two moulded, triangular-headed lights with sunk spandrels, set within a square head with a dripstone; this is also probably late 16th century. The east gable is topped with a cross behind a stone coping.
The interior is simple, with a two-cell Norman layout, and a four-bay 15th-century roof to the nave, featuring arch braced collar trusses with curved feet set into the top of the walls, and double purlins. The stone walls are plastered, and a stone flagged floor remains. A blocked arch is located opposite the south door on the north wall, and the simple Norman chancel arch has rough impost blocks, formerly likely including a stone screen (as documented in Archaeologia Cambrensis, 1901). A Victorian roof is present in the chancel. A corbel on the north-east wall supported a former bressumer for a rood loft. Furnishings are mainly Victorian, including a stone pulpit dated approximately 1870 and a Victorian roof in the chancel. An early 17th-century octagonal stone font, alongside a baptismal and burial license document dated 1607, is also present. Plain 18th-century floor memorials are found in the chancel, with two 18th-century wall memorials in the nave.
Local climate
Church of St Mary sits in one of the wettest parts of the UK, with an average of 1,170 mm of rain a year. This makes it wetter than 90% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 95% of listed buildings.
It experiences an average of 13 freeze-thaw cycles a year, fewer than 88% of listed buildings. Of these, 5 follow at least 1 mm of rain in the preceding 48 hours. Average temperatures at this location have risen by 0.3°C per decade since 1991.
Averages for 1991–2020; temperature trend 1991–2025. Figures describe the wider area (a grid cell of roughly 10 km), not the individual site. Contains modified Copernicus Climate Change Service information 2026.
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