Old house at Trefenty is a Grade II listed building in the Carmarthenshire local planning authority area, Wales. First listed on 11 June 2001. A C17 Farmhouse.
Old house at Trefenty
- WRENN ID
- fading-storey-vale
- Grade
- II
- Local Planning Authority
- Carmarthenshire
- Constituency
- Caerfyrddin MP: Ann Davies (PC)
- Country
- Wales
- Date first listed
- 11 June 2001
- Type
- Farmhouse
- Address
- Old house at Trefenty, Carmarthen, St. Clears, SA33 4NG
- OS grid reference
- SN 298 135
- Coordinates
- 51.79504, -4.46904
- Source
- Cadw listing
Description
The Old House at Trefenty is a former estate farmhouse dating from the 18th century. It is a two-storey building constructed of whitewashed rubble stone, featuring large quoins at the corners and red brick heads and dressings around the openings. The roof is slated, and there are red brick stacks at both ends.
The long facade includes two gabled dormers that break the eaves at sill level. On the left side, there are paired casement windows, while the right side is missing its windows. The ground floor has a central door flanked by a window on each side, beneath the attic dormers, and a third window is located at the extreme right. All openings are either boarded or have been replaced with late 20th-century 12-pane windows. There is evidence that the upper storey windows were raised, as blocked openings can be seen below the current slate sills. The right gable has a blocked ground floor doorway to the left of centre.
The building was not inspected and was derelict at the time of the inspection.
Local climate
Old house at Trefenty sits in one of the wettest parts of the UK, with an average of 1,250 mm of rain a year. This makes it wetter than 93% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 95% of listed buildings.
It experiences an average of 16 freeze-thaw cycles a year, fewer than 84% of listed buildings. Of these, 6 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
- Trefenty
- Range of outbuidings E of Trefenty farmhouse
- Ruins of former St Michael's Parish Church
- Pilgrims Graves by ruins of St Michael's Church
- Pilgrim's Graves S of ruins of St Michaels Church
- Pilgrim's Rest
- Parson's Lodge
- Cartshed & Stable at Brixton Farm
- Horse engine House at Brixton Farm
- Cowhouse & Corn Store (including attached range to E.) at Brixton Farm