Barn range at Glandwr is a Grade II listed building in the Powys local planning authority area, Wales. First listed on 31 March 2005. Outbuilding.

Barn range at Glandwr

WRENN ID
rough-pediment-lichen
Grade
II
Local Planning Authority
Powys
Constituency
Brecon, Radnor and Cwm Tawe MP: David Chadwick (LD)
Country
Wales
Date first listed
31 March 2005
Type
Outbuilding
Address
Barn range at Glandwr, Llandefaelog-Tre'R-Graig, Brecon, Felin-Fach
OS grid reference
SO 131 305
Coordinates
51.9666, -3.26529
Source
Cadw listing

Also on this page: flood risk · radon risk · weather exposure · detailed attributes ↓

Description

The barn range at Glandwr is a two-storey outbuilding constructed from whitewashed rubble stone and topped with a slate roof. The long facade features four catslide dormers, each with boarded doors, positioned above the first-floor openings.

Starting from the left, there is a cambered-headed stable door flanked by two small windows, with a square opening above that has a thin timber lintel beneath the large catslide dormer. Next, there are two doors, both with timber lintels; the second door has a long loft opening above it, also with a thin timber lintel under another big catslide dormer. Following this, there is a broad ground floor opening with a timber lintel and double boarded doors.

To the right, there are three doors with timber lintels and a vent loop, all situated beneath five broad boarded openings separated by four rubble piers. The second and fourth openings are directly under the catslide dormers, which are half the width of the loft openings. The fifth loft opening lacks a right pier but is positioned next to the side of full-height double barn doors. Another vent loop is located to the right, with no upper openings present.

The building has not been inspected.

Local climate

Barn range at Glandwr 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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  • No EPC on record for this property
  • No sale records on file
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  • 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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Nearby listed buildings

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  2. Barn range opposite Llandefaelog-tre'r-graig Grade II 792 m
  3. St Maelog Grade II 843 m
  4. Barn range opposite St Maelog Grade II 844 m
  5. Tredomen Court and attached barn Grade II 1.4 km
  6. Outbuildings on N and E sides of farm court at Tredomen Court Grade II 1.4 km
  7. Pont Hemley Grade II 1.4 km
  8. Gwndwnwal Grade II 1.5 km
  9. Trefecca Fawr Grade I 1.6 km
  10. Cowbyre to N of Crickie farmhouse Grade II 1.6 km