Wall of former gaol W of County Hall is a Grade II listed building in the Carmarthenshire local planning authority area, Wales. First listed on 28 November 2003. Retaining wall. 1 related planning application.
Wall of former gaol W of County Hall
- WRENN ID
- calm-quartz-ochre
- Grade
- II
- Local Planning Authority
- Carmarthenshire
- Constituency
- Caerfyrddin MP: Ann Davies (PC)
- Country
- Wales
- Date first listed
- 28 November 2003
- Type
- Retaining wall
- Address
- Wall of former gaol W of County Hall, Castle Hill, Carmarthen, SA31 1AD
- OS grid reference
- SN 412 199
- Coordinates
- 51.85566, -4.30587
- Source
- Cadw listing
Description
The structure is a tall rubble stone retaining wall located to the west side of County Hall, which is part of the former Carmarthen Castle curtain wall. The wall features curved angles at either end and has a cement coping. In the center, there is a taller section that includes a roundel blocked in rubble, along with a smaller roundel beneath it that has red brick dressings and is also blocked in brick. There is a pedestrian door with red brick dressings, a concrete lintel, and a 20th-century boarded door. To the lower section, on the far right, there is a cambered red brick head above a blocked opening.
Local climate
Wall of former gaol W of County Hall sits in one of the wettest parts of the UK, with an average of 1,270 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 93% of listed buildings.
It experiences an average of 30 freeze-thaw cycles a year, fewer than 64% of listed buildings. Of these, 14 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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- Full EPC report — heating system, energy costs, size, glazing, construction etc.
- No sale records on file
- Related listed building consents — 1 application
- 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
Matched applications, energy data and sale records are assembled automatically and may contain errors. Flag incorrect data.
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