Church of St Mary (disused) is a Grade II listed building in the Isle of Anglesey local planning authority area, Wales. First listed on 12 May 1970. A Medieval Church.
Church of St Mary (disused)
- WRENN ID
- stranded-cloister-violet
- Grade
- II
- Local Planning Authority
- Isle of Anglesey
- Constituency
- Ynys Môn MP: Llinos Medi (PC)
- Country
- Wales
- Date first listed
- 12 May 1970
- Type
- Church
- Period
- Medieval
- Address
- Church of St Mary (disused), Rhodogeidio, Llanerchymedd, Llannerch-Y-Medd
- OS grid reference
- SH 398 855
- Coordinates
- 53.34271, -4.40632
- Source
- Cadw listing
Description
The Church of St Mary is a disused late Medieval rural church featuring a continuous nave and chancel. It is constructed from roughly squared rubble masonry, with large stones used as quoins. The roof is made of small old slates, grouted with stone copings and includes a bellcote.
At the west end of the north wall, there is a 19th-century square-headed doorway. To the right of this doorway, a stone is inscribed with the initials and date: (o) R 1798 R L. The south wall has a rebuilt rectangular window opening to the east, which is partially blocked with brick, as well as a small blocked window near the center. The east window, dating from the 15th century, is small and features a single round trefoiled light with hollow chamfered jambs.
Inside, the late Medieval roof consists of four bays with exposed arch-braced trusses, although the truss at the west end has been replaced with a modern version. The interior has been completely gutted but still holds four mid-19th century slate memorial tablets along the south wall and two on the north wall.
Local climate
Church of St Mary (disused) sits in a wetter-than-average part of the UK, with an average of 1,040 mm of rain a year. This makes it wetter than 84% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 92% of listed buildings.
It experiences an average of 10 freeze-thaw cycles a year, fewer than 91% of listed buildings. Of these, 3 follow at least 1 mm of rain in the preceding 48 hours. Average temperatures at this location have risen by 0.2°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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- No EPC on record for this property
- No sale records on file
- No related consent applications matched
- Detailed attributes — period, style, materials, features
- Flood risk assessment
- Radon risk assessment
- Weather exposure and heating demand — rain and frost month by month and year by year, wind direction, solar and humidity
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