Bryn Ieuau is a Grade II listed building in the Powys local planning authority area, Wales. First listed on 12 January 2001. Residential.
Bryn Ieuau
- WRENN ID
- lunar-niche-gold
- Grade
- II
- Local Planning Authority
- Powys
- Constituency
- Brecon, Radnor and Cwm Tawe MP: David Chadwick (LD)
- Country
- Wales
- Date first listed
- 12 January 2001
- Type
- Residential
- Address
- Bryn Ieuau, Llanafanfawr, Builth Wells
- OS grid reference
- SN 970 566
- Coordinates
- 52.19832, -3.50766
- Source
- Cadw listing
Description
Bryn Ieuau is an L-shaped house dating from the 18th century. It features a symmetrical two-storey front with three windows and a rear wing that has one storey and an attic. The building is rendered and covered with slate roofs, which include rendered end stacks for both the main range and the rear wing.
The front of the house has a central half-glazed panelled door, flanked by horned six-over-six-pane sash windows. There are similar windows above, all with flat heads. The western gable end is primarily slate hung, while the eastern gable end has a small 20th-century window offset to the right in the upper storey.
To the right is the eastern side of the rear wing, which contains a granary in the attic storey. This is accessed by a large external stone staircase that leads to a planked door beneath a half-dormer. On the ground floor, there is a late 20th-century wooden door to the left, with windows in a similar style to the centre and right. The western side of the wing has a 20th-century window. The rear of the house is not visible.
Access to the interior was not available at the time of inspection.
Local climate
Bryn Ieuau sits in a wetter-than-average part of the UK, with an average of 1,130 mm of rain a year. This makes it wetter than 89% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 79% of listed buildings.
It experiences an average of 52 freeze-thaw cycles a year, more than 93% of listed buildings. Of these, 30 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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