Remains of monastic grange at Penallt Farm is a Grade II listed building in the Carmarthenshire local planning authority area, Wales. First listed on 30 November 1966. Monastic grange.

Remains of monastic grange at Penallt Farm

WRENN ID
drifting-ashlar-lake
Grade
II
Local Planning Authority
Carmarthenshire
Constituency
Llanelli MP: Dame Nia Griffith (Lab)
Country
Wales
Date first listed
30 November 1966
Type
Monastic grange
Address
Remains of monastic grange at Penallt Farm, Llansaint, St. Ishmael
OS grid reference
SN 387 070
Coordinates
51.73867, -4.33615
Source
Cadw listing

Also on this page: flood risk · radon risk · weather exposure · detailed attributes ↓

Description

The remains of a monastic grange at Penallt Farm consist of a rubble-stone wall that is approximately 25 meters long and up to 6 meters high, forming the outer west wall of a two-storey block. There is a rectangular projection to the left of the center, which may have been for a stair. To the left of this projection, there are two windows in the lower storey with segmental heads, and above, there are openings for four windows. To the right of the projection, there is a doorway and corbels on the first floor, possibly for a stack. Further to the right is a single window in the upper storey and a doorway near the right end. Behind the wall are return walls and a rear wall that enclose rooms, with field walls attached at both ends. At the time of inspection, the structure was overgrown with ivy.

Local climate

Remains of monastic grange at Penallt Farm sits in one of the wettest parts of the UK, with an average of 1,410 mm of rain a year. This makes it wetter than 97% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 99% of listed buildings.

It experiences an average of 9 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 0.3°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.

More on this building

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  • 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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