L-plan outbuilding at Ty'rberllan is a Grade II listed building in the Powys local planning authority area, Wales. First listed on 27 May 2005. Outbuilding.
L-plan outbuilding at Ty'rberllan
- WRENN ID
- last-copper-wagtail
- Grade
- II
- Local Planning Authority
- Powys
- Constituency
- Brecon, Radnor and Cwm Tawe MP: David Chadwick (LD)
- Country
- Wales
- Date first listed
- 27 May 2005
- Type
- Outbuilding
- Address
- L-plan outbuilding at Ty'rberllan, Llanfihangel Nant Bran, Brecon, Trallong
- OS grid reference
- SN 941 347
- Coordinates
- 52.0008, -3.54259
- Source
- Cadw listing
Description
The L-plan outbuilding at Ty'rberllan is a Grade II listed structure made of whitewashed rubble stone with close-eaved roofs. The barn on the east side features a slate roof and full-height central doors, along with two long loops to the left. To the right of the barn is a two-storey shallow lean-to made of stone, which has a corrugated-iron roof. The upper level includes dove entries on each side of a boarded loft opening positioned towards the right. Below this loft is a broad depressed-arched cart entry with stone voussoirs, and set back within is a second arch leading into the base of the barn. The barn itself has a gable end, with the north end displaying two loops and a loft door. The south range has an asbestos sheet roof, with one square loft opening to the right, one door to the left, and two doors to the right, all featuring cambered heads and stone voussoirs. The west gable end has a stone shelf beneath the gable, similar to that of the house.
Local climate
L-plan outbuilding at Ty'rberllan sits in one of the wettest parts of the UK, with an average of 1,240 mm of rain a year. This makes it wetter than 92% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 83% of listed buildings.
It experiences an average of 49 freeze-thaw cycles a year, more than 91% of listed buildings. Of these, 28 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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