Church of St Mary is a Grade II listed building in the Monmouthshire local planning authority area, Wales. First listed on 29 September 2000. Church.
Church of St Mary
- WRENN ID
- ghost-lime-burdock
- Grade
- II
- Local Planning Authority
- Monmouthshire
- Constituency
- Monmouthshire MP: Catherine Fookes (Lab)
- Country
- Wales
- Date first listed
- 29 September 2000
- Type
- Church
- Address
- Church of St Mary, Penterry, Chepstow, St. Arvans
- OS grid reference
- ST 519 987
- Coordinates
- 51.68555, -2.69616
- Source
- Cadw listing
Description
The Church of St Mary is constructed mainly of local coarse-grained red sandstone, with some fine-grained limestone. The early windows and the corners of the building feature sandstone dressings, while coarse sandy limestone was used for the Victorian openings. The roof is covered with Welsh slate, and the porch has concrete interlocking tiles. The church consists of a nave with an integral chancel, differentiated only by the altar rail with a step, along with a west bellcote and a west porch. The west gable includes a projecting timber porch that was added during the Victorian restoration, likely around 1880. The roof tiling corresponds with the white brick infill on the sides of the porch, which dates to the late 20th century. The door is also Victorian. The gable is coped and features a Victorian gabled bellcote with a single bell that appears to be dated 1734.
On the south wall, there is a single light and a two-light window, both with cusped heads. The single light seems to have been inserted into a medieval doorway, while the two-light window appears to be from the 16th century. The east gable has a two-light window, and the north wall has another, both of which are Victorian but designed in a 14th-century style. The north wall of the chancel features a single light round-headed window that is likely Norman, dating from the 12th or 13th century.
Inside, the church is mostly plastered and ceiled, although the plaster has recently been removed from the south wall, and the east wall is pine panelled. The positioning of the medieval windows suggests that the floor level was raised at some point. The furnishings are all plain Victorian with removable benches. The roof structure includes three queen strut trusses with two tiers of staggered purlins. The church is illuminated by oil and gas lights.
Local climate
Church of St Mary receives an average of 830 mm of rain a year. This makes it wetter than 55% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 59% of listed buildings.
It experiences an average of 39 freeze-thaw cycles a year, more than 76% of listed buildings. Of these, 18 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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