24 Union Street is a Grade II listed building in the Carmarthenshire local planning authority area, Wales. First listed on 19 May 1981. Residential. 1 related planning application.

24 Union Street

WRENN ID
quartered-chapel-moss
Grade
II
Local Planning Authority
Carmarthenshire
Constituency
Caerfyrddin MP: Ann Davies (PC)
Country
Wales
Date first listed
19 May 1981
Type
Residential
Address
24 Union Street, Carmarthen, SA31 3DE
OS grid reference
SN 404 200
Coordinates
51.85611, -4.31886
Source
Cadw listing

Also on this page: sale history · EPC · related consents · flood risk · radon risk · weather exposure · detailed attributes ↓

Description

This is an end-terrace house dating to an unknown period. It is constructed of unpainted roughcast, with a slate roof that has a close eaves line. The house is two stories high and has two bays. A rebuilt grey brick stack is located at the left end. Window openings have stucco surrounds; the upper windows are modern replacements, whereas the ground floor on the left features a large arched sash window with small panes and radiating glazing bars. A modern door is situated to the right. There is a basement light positioned beneath the arched window.

Local climate

24 Union Street 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.
  • Sale history — 2 transactions since 2013
  • 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
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