Lletty Uchaf is a Grade II listed building in the Carmarthenshire local planning authority area, Wales. First listed on 19 August 2005. House.
Lletty Uchaf
- WRENN ID
- sheer-jamb-hazel
- Grade
- II
- Local Planning Authority
- Carmarthenshire
- Constituency
- Caerfyrddin MP: Ann Davies (PC)
- Country
- Wales
- Date first listed
- 19 August 2005
- Type
- House
- Address
- Lletty Uchaf, Cynwyl Gaeo, SA19 8BL
- OS grid reference
- SN 682 361
- Coordinates
- 52.00783, -3.9214
- Source
- Cadw listing
Description
Lletty Uchaf is a tall two-storey, two-unit house built against a slope, with a single-storey cowhouse at the lower end. The building is constructed of limewashed rubble and has a thatched roof covered with corrugated iron. The cowhouse features two doors at either end, with the lower doorway now glazed as a window; both doors have shallow arched voussoir heads. The house has two windows on each floor: small four-paned casement windows on the first floor and top-hung casements below, all with shallow arched voussoir heads. The lower windows have concrete sills, while the upper windows retain thin slate sills. There are modern additions at the rear.
The entrance leads directly into the former cowhouse, which has bolted trusses, a woven twig under-thatch, and significant remains of straw thatch. The main doorway to the house is located in the gable end next to the stack, featuring a pegged frame and a boarded door. The internal arrangement of the house has been altered, but it originally had a two-room plan, with traces of a partition alongside the second of two lateral sawn timber beams. There is a large main fireplace with a ladder-type stair beside it. The upper floor consists of two rooms, supported by two bolted collar trusses, with the tie-beams resting on small blocks on the wall plate. The ceiling is limewashed, and rough rafters support substantial remains of the thatched roof, with the under-thatch and bundles of straw clearly visible.
Local climate
Lletty Uchaf sits in one of the wettest parts of the UK, with an average of 1,370 mm of rain a year. This makes it wetter than 97% 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 40 freeze-thaw cycles a year, more than 77% of listed buildings. Of these, 20 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.
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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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