Lime kilns at Penymynydd is a Grade II listed building in the Carmarthenshire local planning authority area, Wales. First listed on 12 December 2003. Industrial structure.

Lime kilns at Penymynydd

WRENN ID
north-cobble-foxglove
Grade
II
Local Planning Authority
Carmarthenshire
Constituency
Llanelli MP: Dame Nia Griffith (Lab)
Country
Wales
Date first listed
12 December 2003
Type
Industrial structure
Address
Lime kilns at Penymynydd, Heol Pedair, Llangyndeyrn
OS grid reference
SN 439 094
Coordinates
51.76228, -4.26243
Source
Cadw listing

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

Description

This structure consists of a bank of five tall lime kilns, which were overgrown at the time of inspection. The central kiln is set back and the kilns are built against a steep bank. The walls are battered and constructed of rubble stone, except for the two earlier kilns on the right side, which are made of rock-faced stone. The kilns feature draw arches with segmental tunnel vaults.

Local climate

Lime kilns at Penymynydd sits in one of the wettest parts of the UK, with an average of 1,320 mm of rain a year. This makes it wetter than 95% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 96% of listed buildings.

It experiences an average of 21 freeze-thaw cycles a year, fewer than 78% of listed buildings. Of these, 8 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
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  • 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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  2. Lime-kiln facing S, on ridge E of Capel Horeb Grade II 1.3 km
  3. Lime-kiln facing W, on ridge E of Capel Horeb Grade II 1.3 km
  4. Cold-roll Engine-house at former Kidwelly Tinplate Works Grade II* 2.4 km
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