Old Pontammon Mill is a Grade II listed building in the Carmarthenshire local planning authority area, Wales. First listed on 25 November 1988. House.
Old Pontammon Mill
- WRENN ID
- hollow-bailey-thyme
- Grade
- II
- Local Planning Authority
- Carmarthenshire
- Constituency
- Caerfyrddin MP: Ann Davies (PC)
- Country
- Wales
- Date first listed
- 25 November 1988
- Type
- House
- Address
- Old Pontammon Mill, Ammanford
- OS grid reference
- SN 642 126
- Coordinates
- 51.79625, -3.96975
- Source
- Cadw listing
Description
Old Pontammon Mill is a flour mill constructed from squared rubble stone with some brick dressings and blockings, topped with slate roofs. The structure has largely collapsed as of 1993, featuring a stone stack at the southwest end. Externally, it appears to have two storeys with a full-height opening to the central hoist area, and various window openings that have simple wood frames or are blocked under plain timber or stone voussoir lintels. There is a wheelpit at the northeast without a wheel, and an opening in the wall for the drive shaft. The rear lean-tos have collapsed.
The mill was derelict in 1988 and has deteriorated further by 1993, but it still retains most of the drive machinery, including shafts, gearing, and millstones. A D-frame truss supports the main vertical timber drive shaft. Additionally, there is a former miller's house located within the southwest end of the building.
Local climate
Old Pontammon Mill sits in one of the wettest parts of the UK, with an average of 1,430 mm of rain a year. This makes it wetter than 98% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 96% of listed buildings.
It experiences an average of 30 freeze-thaw cycles a year, fewer than 63% of listed buildings. Of these, 13 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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