Church of St Catwg is a Grade II* listed building in the Monmouthshire local planning authority area, Wales. First listed on 27 November 1953. A Medieval Church.
Church of St Catwg
- WRENN ID
- iron-porch-willow
- Grade
- II*
- Local Planning Authority
- Monmouthshire
- Constituency
- Monmouthshire MP: Catherine Fookes (Lab)
- Country
- Wales
- Date first listed
- 27 November 1953
- Type
- Church
- Period
- Medieval
- Address
- Church of St Catwg, Cwmcarvan, Mitchel Troy
- OS grid reference
- SO 477 075
- Coordinates
- 51.76375, -2.75855
- Source
- Cadw listing
Description
The Church of St Catwg is a medieval nave-and-chancel church, distinguished by a substantial early Tudor tower. The nave, porches, and chancel are constructed from warm-hued Old Red Sandstone with roofs of small grey slates, while the tower is built of greyer ashlar.
The tower is a prominent feature, with three distinct stages marked by weathered string courses and topped with an emphatic embattled parapet. A four-stage stair turret rises above the parapet at the northeast corner, also embattled and crowned with a weathercock. The west face of the tower features a Tudor-arched doorway with a hoodmould, a small square window above, a two-centred arched belfry window with two cusped depressed-arched lights, stone louvres, and Perpendicular blank tracery above. Gargoyles in the form of pipe-shaped projections are situated at each end of the string course above the doorway. The south side of the second stage has two vertically-aligned small square windows; the north side has only one. Each side of the belfry stage has a window mirroring the west face.
The north side of the nave has a substantial buttress near the east end, a medieval cusped lancet window with a hoodmould, a large Victorian three-light traceried window, and a prominent gabled porch towards the west end, featuring a moulded two-centred doorway and an apex finial. The south side has a small gabled porch close to the west end, with shafted imposts and hollow moulding, two widely-spaced square-headed three-light windows with cinquefoiled lights, and a low, blocked square-headed doorway with a humped monolithic lintel in the centre. The chancel, rebuilt by Prichard, has a priest doorway flanked by two-light mullioned windows with depressed-arched lights, a matching east window, and a similarly-arched one-light window on the north side. Both east gables, those of the nave and chancel, have raised coping, the chancel’s being particularly wide.
Inside, the nave walls have a pronounced internal batter and carry deep moulded wallplates with brattished cornices, supporting a late medieval ribbed barrel-vaulted roof. A blocked round-headed doorway is situated in the centre of the south wall. A relatively narrow tower arch, likely late 13th or early 14th century, features a Tudor-arched extrados and a set-in two-centred arch dying into the sides, both with sunk-wave moulding. The arch contains a wooden screen composed of Jacobean carved arched panels. The east end is characterized by a low two-centred and double-chamfered chancel arch, and evidence of a formerly lower chancel gable on the east side of the chancel wall. A blocked two-centred arch is found central on the south chancel wall, and a medieval stone coffin lid carved with a cross within a foliated roundel lies on the floor of the northeast corner.
Local climate
Church of St Catwg receives an average of 850 mm of rain a year. This makes it wetter than 60% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 61% of listed buildings.
It experiences an average of 41 freeze-thaw cycles a year, more than 80% of listed buildings. Of these, 19 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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