Barn at Penlanffos Farm is a Grade II listed building in the Carmarthenshire local planning authority area, Wales. First listed on 19 May 1981. Barn.

Barn at Penlanffos Farm

WRENN ID
sombre-flue-sorrel
Grade
II
Local Planning Authority
Carmarthenshire
Constituency
Caerfyrddin MP: Ann Davies (PC)
Country
Wales
Date first listed
19 May 1981
Type
Barn
Address
Barn at Penlanffos Farm, Carmarthen
OS grid reference
SN 416 221
Coordinates
51.87534, -4.30172
Source
Cadw listing

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

Description

The barn at Penlanffos Farm is a Grade II listed structure featuring whitewashed stone rubble walls and a slate gabled roof. The southwest elevation has a tall central wagon entry, which is fitted with ledged doors and is topped by a slated overhanging canopy. To the left of this entry, there are two ventilation slots. On the northeast elevation at the rear, there is a smaller central entry also with ledged doors, and a blocked ventilator is located to the north.

Local climate

Barn at Penlanffos Farm sits in one of the wettest parts of the UK, with an average of 1,270 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 93% of listed buildings.

It experiences an average of 30 freeze-thaw cycles a year, fewer than 64% of listed buildings. Of these, 14 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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  • No EPC on record for this property
  • No sale records on file
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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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