Barn at Pen-y-dre Farm is a Grade II listed building in the Brecon Beacons National Park local planning authority area, Wales. First listed on 29 January 1998. Boundary marker.

Barn at Pen-y-dre Farm

WRENN ID
sleeping-pediment-nettle
Grade
II
Local Planning Authority
Brecon Beacons National Park
Constituency
Monmouthshire MP: Catherine Fookes (Lab)
Country
Wales
Date first listed
29 January 1998
Type
Boundary marker
Address
Barn at Pen-y-dre Farm, Llanvihangel Crucorney, Abergavenny, Crucorney, Monmouthshire
OS grid reference
SO 324 203
Coordinates
51.87782, -2.98332
Source
Cadw listing

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

Description

The barn at Pen-y-dre Farm is a Grade II listed building constructed from coursed red sandstone rubble with a Welsh slate roof. The south gable is entirely made of stone, while the other three walls are stone up to about 2 meters high, above which there are two tiers of timber-framed panels that are concealed by close boarding. These features, along with the slate roof, likely date from the late 19th century to early 20th century. The barn has central opposed doors, and the stone gable includes two tiers of slit vents and an owl hole at the apex.

This five-bay barn features Queen strut trusses and heavy timber framing, with chamfered main posts that are bracketted to both the wall plate and the tie beam. It has three tiers of trenched purlins and a ridge piece, all of which are original. A distinctive aspect of the barn is the diagonal framing found in the apex of the north gable.

Local climate

Barn at Pen-y-dre Farm receives an average of 940 mm of rain a year. This makes it wetter than 72% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 65% of listed buildings.

It experiences an average of 49 freeze-thaw cycles a year, more than 90% of listed buildings. Of these, 25 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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