Remains of monastic settlement including tower and walls is a Grade I listed building in the Isle of Anglesey local planning authority area, Wales. First listed on 30 January 1968. Monastic settlement.
Remains of monastic settlement including tower and walls
- WRENN ID
- odd-casement-pearl
- Grade
- I
- Local Planning Authority
- Isle of Anglesey
- Constituency
- Ynys Môn MP: Llinos Medi (PC)
- Country
- Wales
- Date first listed
- 30 January 1968
- Type
- Monastic settlement
- Address
- Remains of monastic settlement including tower and walls, Puffin Island, Llangoed
- OS grid reference
- SH 651 821
- Coordinates
- 53.31918, -4.02561
- Source
- Cadw listing
Description
The remains of a monastic settlement include an outer boundary wall and the foundations of three or four rectangular cells to the northwest. The enclosure is roughly oblong, divided into two compounds by a single wall offset to the northeast end. Within the southwest compound are the remains of a 12th-century church building, of which only the central tower remains. To the west of the tower are the foundations of the nave, with parts of the south wall now incorporated into a late 19th-century cottage, which is built over the site of a south transept. To the east is a late 19th-century building over the site of the chancel, which was excavated in 1896.
The central 12th-century tower has two stages and a squat pyramidal roof, constructed from local rubble masonry. On the east wall, the roofline of the early chancel is visible, with that of the 13th century above it. The crossing features original round-arched doorways on the east and west walls, although the west doorway is now filled in. Above the center of the east doorway, a Roman box-tile is built in. To the south, there is an opening with a roughly constructed semi-circular arch cutting through the reveals of a narrow round-headed window; this arch provided access to the south transept, which is now occupied by a small cottage. The upper stage of the tower is distinguished by a plain projecting string course and has original round-headed windows on each wall; those on the south and west sides have two lights, although the shafts are missing.
Local climate
Remains of monastic settlement including tower and walls sits in one of the wettest parts of the UK, with an average of 1,190 mm of rain a year. This makes it wetter than 91% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 86% of listed buildings.
It experiences an average of 38 freeze-thaw cycles a year, more than 73% of listed buildings. Of these, 21 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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