Ruins of former St Michael's Parish Church is a Grade II listed building in the Carmarthenshire local planning authority area, Wales. First listed on 30 November 1966. Church.
Ruins of former St Michael's Parish Church
- WRENN ID
- hollow-jade-crow
- Grade
- II
- Local Planning Authority
- Carmarthenshire
- Constituency
- Caerfyrddin MP: Ann Davies (PC)
- Country
- Wales
- Date first listed
- 30 November 1966
- Type
- Church
- Address
- Ruins of former St Michael's Parish Church, Trefenty, Carmarthen, St. Clears
- OS grid reference
- SN 302 133
- Coordinates
- 51.79282, -4.46267
- Source
- Cadw listing
Description
The ruins of the former St Michael's Parish Church are a Norman origin Anglican parish church, constructed from rubble stone with some sandstone dressings. The structure includes a west tower, nave, and chancel, all in a state of ruin. The battered tower features massive quoins at the corners, a large raised band above the plinth, and a partially blocked west door with cut stone voussoirs beneath a Tudor-arched head. There is a small squared opening to the east with rough stone voussoirs. The north side of the nave has mostly collapsed, but a blocked door in the northeast corner can still be traced in the few remaining stone courses. The south side contains a pointed arched doorway without mouldings, also with stone voussoirs. The short chancel has a blocked window to the north with rough stone voussoirs, while the south wall has largely fallen away. The east wall features a two-light 15th-century east window, adorned with sandstone tracery and two cusped lights.
Very little of the interior remains, as the roof and much of the walling have collapsed over time. The nave and chancel were previously stuccoed, with traces still visible. The tower retains a high barrel-vaulted stone ceiling and a stoop located on the wall south of the nave door, which has a Gothic arch and well-crafted sandstone mouldings beneath rough stone voussoirs. A late 20th-century concrete platform with a flat, corrugated tin roof is supported by three aluminium poles in the southwest corner of the nave. The chancel arch still stands, featuring projecting cut stones at the sides of the arch springs and rough stone voussoirs. Recessed alcoves flank the east wall, and to the south of the east window is a large stone corbel supporting a broken stone projection, with traces of another corbel to the north.
Local climate
Ruins of former St Michael's Parish Church sits in one of the wettest parts of the UK, with an average of 1,250 mm of rain a year. This makes it wetter than 93% 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 16 freeze-thaw cycles a year, fewer than 84% of listed buildings. Of these, 6 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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- Detailed attributes — period, style, materials, features
- Flood risk assessment
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