Llangwathan Farmhouse is a Grade II* listed building in the Brecon Beacons National Park local planning authority area, Wales. First listed on 20 June 1995. Hall.
Llangwathan Farmhouse
- WRENN ID
- lapsed-render-wagtail
- Grade
- II*
- Local Planning Authority
- Brecon Beacons National Park
- Constituency
- Brecon, Radnor and Cwm Tawe MP: David Chadwick (LD)
- Country
- Wales
- Date first listed
- 20 June 1995
- Type
- Hall
- Address
- Llangwathan Farmhouse, Cusop Dingle, Llanigon, Powys
- OS grid reference
- SO 244 403
- Coordinates
- 52.05602, -3.10303
- Source
- Cadw listing
Description
Llangwathan Farmhouse is a semi-detached building that dates back to the medieval period. It is constructed from stone and features a stone-slate main roof along with a slated cross-range. The farmhouse is one storey high with a semi-attic. The windows are fitted with stone lintels and include 19th and 20th-century wooden casements and PVC frames, with upper windows primarily located in 19th-century dormers. The doors are made of 19th-century planks.
The west side has a gable chimney with a plain early stairlight, while the south side features a late 19th-century sash window and a red brick corner chimney from the same period. On the east side, the south cross-gable has two courses of projecting stone slabs at the apex, and there is a late 19th-century dormer window above the hall, which is slate-hung and has pierced bargeboards. The north side shows a chimney that projects on three miscellaneous stone corbels, with additional projecting slabs in the gable beside the chimney.
Inside, the medieval hall reveals a pair of crucks that are partly visible and chamfered, although the space is now ceiled. It has beams with pyramidal stops and old window seats. The staircase features a plain handrail and dates from the 17th or 18th century. There is a doorway from the passage that dates to 1600, with an arched head. The partitions to and between the inner rooms are made of heavy plank and muntin, with one original doorway blocked and others inserted in the 19th century. The inner room contains an early fireplace and stone stairs with an unusual corbelled vault. An early partition between the cross-passage and the lower room is concealed, located between the crucks. The original north end beam in the lower room has lost its posts, which may have been used for tethering cattle.
On the first floor, the roof features curved lower windbraces in the main range, with two missing. The north end crucks are collared, and there is an inserted partition in the next crucks, with the first roof bay showing signs of soot. The central truss of the early hall includes chamfered crucks, an archbrace, and a collar. The cross range has windbraces and an arched-braced tiebeam in the middle.
Local climate
Llangwathan Farmhouse receives an average of 900 mm of rain a year. This makes it wetter than 67% of listed buildings in the UK. Its exposure to wind-driven rain is lower than that of 54% of listed buildings.
It experiences an average of 52 freeze-thaw cycles a year, more than 93% of listed buildings. Of these, 29 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
- 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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