Pentairrhiw is a Grade II listed building in the Carmarthenshire local planning authority area, Wales. First listed on 7 June 2001. Cottage.
Pentairrhiw
- WRENN ID
- winding-cupola-kestrel
- Grade
- II
- Local Planning Authority
- Carmarthenshire
- Constituency
- Caerfyrddin MP: Ann Davies (PC)
- Country
- Wales
- Date first listed
- 7 June 2001
- Type
- Cottage
- Address
- Pentairrhiw, Gellywen, Carmarthen, Llanwinio
- OS grid reference
- SN 271 241
- Coordinates
- 51.88876, -4.5125
- Source
- Cadw listing
Description
Pentairrhiw is a cottage constructed of whitewashed rubble stone, topped with a corrugated iron roof and featuring brick end stacks. It is a single storey and attic building, double fronted, with a central board door that has strap hinges, flanked by two small square windows with 9 panes each. The cottage includes two gabled dormers, each with 6-pane pivot windows. There is a small timber porch added in the 20th century. To the right, there is a small outbuilding that has one 20th-century window, and a lean-to has been added to the rear in the 20th century. The interior has not been available for inspection.
Local climate
Pentairrhiw sits in one of the wettest parts of the UK, with an average of 1,200 mm of rain a year. This makes it wetter than 91% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 92% of listed buildings.
It experiences an average of 27 freeze-thaw cycles a year, fewer than 70% of listed buildings. Of these, 12 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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