Talwern Fawr is a Grade II listed building in the Powys local planning authority area, Wales. First listed on 16 February 2005. House.
Talwern Fawr
- WRENN ID
- tilted-moat-peregrine
- Grade
- II
- Local Planning Authority
- Powys
- Constituency
- Brecon, Radnor and Cwm Tawe MP: David Chadwick (LD)
- Country
- Wales
- Date first listed
- 16 February 2005
- Type
- House
- Address
- Talwern Fawr, Garthbrengy, Brecon, Honddu Isaf
- OS grid reference
- SO 058 333
- Coordinates
- 51.99078, -3.37241
- Source
- Cadw listing
Description
Talwern Fawr is a house that features whitewashed roughcast walls and a renewed slate roof that overhangs at the eaves, with rendered end stacks, the one on the left being larger. The building is two stories high and has a three-bay front. The center door is set within a lean-to 20th-century porch and is flanked by 4-pane horned sash windows. On the first floor, there are two horned 12-pane sashes and one metal casement window to the left. At the rear, there is a wing added around 1900, which includes an end chimney.
The interior has been significantly modernized, with new partition walls and stairs. The left room contains two impressive 16th-century beams that feature close-set reed mouldings. The main beam has seven rolls, with three on each angled side and one along the bottom, plus a thin hollow upper moulding. The beam above the fireplace is halved and has three rolls. The fireplace itself features a large chamfered timber lintel, with the lower edge stepped up irregularly. In the right room, there is a recess in the east wall with an oak lintel, which was a former window. There are deep chamfered beams over the entrance partition and the fireplace. A narrow pantry, partitioned to the rear, has a 20th-century door leading into the garage.
Local climate
Talwern Fawr sits in one of the wettest parts of the UK, with an average of 1,170 mm of rain a year. This makes it wetter than 90% 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 50 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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Nearby listed buildings
- Church of Saint David
- Talachddu House including outbuilding range to right
- Church of Saint Mary
- Old farmhouse at Llwyncynog including attached range to left
- Outbuildings opposite the old farmhouse at Llwyncynog
- Ruins of Llanddew Castle
- Bridge over Afon Honddu
- Village pump
- Retaining wall and two wells to SW of The Old Vicarage
- Medieval doorway to left of entrance gates to the Old Vicarage and enclosing walls