Wenallt-Uchaf is a Grade II listed building in the Brecon Beacons National Park local planning authority area, Wales. First listed on 5 January 1976. House.
Wenallt-Uchaf
- WRENN ID
- twelfth-newel-stoat
- Grade
- II
- Local Planning Authority
- Brecon Beacons National Park
- Constituency
- Brecon, Radnor and Cwm Tawe MP: David Chadwick (LD)
- Country
- Wales
- Date first listed
- 5 January 1976
- Type
- House
- Address
- Wenallt-Uchaf, Llanigon, Powys
- OS grid reference
- SO 224 379
- Coordinates
- 52.03419, -3.13158
- Source
- Cadw listing
Description
Wenallt-Uchaf is a stone building dating from the 17th century, featuring one storey with attics and a stone slate roof, with Welsh roofing at the rear. The southwest side has brick arches for the door and casement windows, along with modern dormer windows and a door. The stonework on the west side and the return onto the west end has been rebuilt. A central stone chimney is present. On the northwest end, there is a wide window with a deep stone lintel, while the upper window has modern casements and an old timber lintel. The northeast side has a blocked door opposite the front door, which is now a small window, one of two. The southeast end features a gable window with modern casements and an old timber lintel.
Inside, the hall has a wide door next to the chimney, with a frame that has pyramidal stop-chamfers on all members, similar to the chimney's deep bressummer. There is a spur on the front cruck, and the inner partition is timber-framed with wide panels that were formerly wattle and daub. The ceiling has longitudinal beams, and there is an old window seat with a stone back and a thick wooden seat. Stone stairs are located by the chimney, leading to a modern craftsman's oak door at the base. The inner room features a site for a modern staircase, a stone floor, and a ceiling with plain joists lodged on plain beams, most of which are missing and supported by a three-way jowled post from the 16th or 17th century by the partition. To the left of the hall, there are modern partitions, and near the crucks, a cross-beam has soffit-mortices for a partition.
On the first floor, the partitions and doors are mostly modern. The crucks are mainly exposed at this level, including the fourth pair embedded in the northwest end wall, with collars halved across. The rear pitch has some curved windbraces to both tiers of purlins, which are all original. The easternmost truss over the hall partition has a stud below the collar and was closed with wattle and daub.
Local climate
Wenallt-Uchaf sits in a wetter-than-average part of the UK, with an average of 960 mm of rain a year. This makes it wetter than 75% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 61% of listed buildings.
It experiences an average of 50 freeze-thaw cycles a year, more than 91% of listed buildings. Of these, 27 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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