Converted barns at Penmaes is a Grade II listed building in the Powys local planning authority area, Wales. First listed on 17 January 1963. Barn. 8 related planning applications.
Converted barns at Penmaes
- WRENN ID
- vast-obsidian-saffron
- Grade
- II
- Local Planning Authority
- Powys
- Constituency
- Brecon, Radnor and Cwm Tawe MP: David Chadwick (LD)
- Country
- Wales
- Date first listed
- 17 January 1963
- Type
- Barn
- Address
- Converted barns at Penmaes, Llanfilo, Brecon, Felin-Fach, LD3 0RE
- OS grid reference
- SO 119 332
- Coordinates
- 51.99114, -3.28304
- Source
- Cadw listing
Description
The property comprises a group of converted barn ranges constructed of rubble stone. At the upper end of the west range is an 18th-century lofted cartshed and stable, dated 1833, with a stone tile roof. It is two storeys high and has four bays. There are four cambered-headed square windows set low beneath the eaves, above a door to the right and two slightly longer windows and a cart entry to the left. The cart entry has a cambered head, set higher than other ground floor openings due to the site's slope. Stone voussoirs feature in all openings, along with stone sills. The left end wall has exterior steps leading to a platform in front of the loft door, which also has stone voussoirs. A cambered-headed window is located in the gable above. The windows have early 21st-century glazing.
Downhill to the right is a lower range with a slated roof. It has a door on the extreme left, a window to the centre left with a timber lintel and a small light under the eaves above, two doors centrally to the right, and a large loft opening on the extreme right. This range also has early 21st-century glazing and doors. In the northwest angle is an L-plan former timber-framed barn with a lower slate roof. A modern building is situated within, set back behind the skeletal timber frame.
The northeast corner features a large L-plan range of stone-tiled barns, and the north range contains a barn with a full-height doorway and a stone-tiled pent roof to the right, and vent loops in a double row of three to the left, and one to the right. A similar range runs uphill on the east side, exhibiting a similar double row of vent loops, two on each side of a doorway with a stone-tiled hood.
Uphill to the right is a long lofted cartshed range under the same roof. This range has three cambered-headed cart entries with stone voussoirs, and a square loft window under the eaves immediately above the central opening. A straight joint marks the addition of a section to the south, featuring a door and window to the right. The right end gable has a loft door with a window above it.
The barns were not inspected internally.
Local climate
Converted barns at Penmaes sits in a wetter-than-average part of the UK, with an average of 1,100 mm of rain a year. This makes it wetter than 87% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 74% 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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- Full EPC report — heating system, energy costs, size, glazing, construction etc.
- Sale history — 7 transactions since 1996
- Related listed building consents — 8 applications
- 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
Matched applications, energy data and sale records are assembled automatically and may contain errors. Flag incorrect data.
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