Former Blast Furnace and attached building is a Grade II listed building in the Carmarthenshire local planning authority area, Wales. First listed on 19 May 1981. Blast furnace.

Former Blast Furnace and attached building

WRENN ID
tangled-barrel-thyme
Grade
II
Local Planning Authority
Carmarthenshire
Constituency
Caerfyrddin MP: Ann Davies (PC)
Country
Wales
Date first listed
19 May 1981
Type
Blast furnace
Address
Former Blast Furnace and attached building, Furnace Bank, Carmarthen
OS grid reference
SN 420 205
Coordinates
51.86123, -4.29482
Source
Cadw listing

Also on this page: flood risk · radon risk · weather exposure · detailed attributes ↓

Description

The building is a former blast furnace with an attached structure. It has a square plan and features high battered walls made of rubble stone arranged in regular courses, with furnace arches located on the southwest and southeast sides. Attached to the southwest is the former casting shed, which has stone walls on the ground and first floors. The second floor is constructed of 20th-century brick and has 20th-century windows, topped with a 20th-century hipped roof that also covers the blast furnace. The second floor includes five windows, while the first floor has four windows and a loading door, all featuring concrete lintels and 20th-century windows. The ground floor has an arched doorway on the left with stone voussoirs, along with two windows and a door on the right, with the door positioned against the edge of the blast furnace.

Local climate

Former Blast Furnace and attached building 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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