Llwyngwyn is a Grade II listed building in the Powys local planning authority area, Wales. First listed on 21 December 2000. Farmhouse.
Llwyngwyn
- WRENN ID
- knotted-keystone-khaki
- Grade
- II
- Local Planning Authority
- Powys
- Constituency
- Brecon, Radnor and Cwm Tawe MP: David Chadwick (LD)
- Country
- Wales
- Date first listed
- 21 December 2000
- Type
- Farmhouse
- Address
- Llwyngwyn, Llanafanfechan, Cilmery
- OS grid reference
- SN 973 511
- Coordinates
- 52.14926, -3.50109
- Source
- Cadw listing
Description
Llwyngwyn is a small farmhouse built in the late 18th century or early 19th century. It has two storeys, with rendered walls painted cream and a slate roof featuring rendered end stacks. The openings are positioned to the left of centre. On the lower storey, the openings have segmental heads and include a boarded door flanked by plate-glass sash windows, which have been replaced in their original openings. The upper storey features three 2-light casements located below the eaves. Lean-tos have been added to the gable ends.
Local climate
Llwyngwyn sits in a wetter-than-average part of the UK, with an average of 1,140 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 46 freeze-thaw cycles a year, more than 87% of listed buildings. Of these, 26 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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