Milepost on Heol Llanelli is a Grade II listed building in the Carmarthenshire local planning authority area, Wales. First listed on 23 July 2003. Milepost.

Milepost on Heol Llanelli

WRENN ID
unlit-dormer-blackthorn
Grade
II
Local Planning Authority
Carmarthenshire
Constituency
Llanelli MP: Dame Nia Griffith (Lab)
Country
Wales
Date first listed
23 July 2003
Type
Milepost
Address
Milepost on Heol Llanelli, Trimsaran
OS grid reference
SN 455 043
Coordinates
51.71623, -4.2366
Source
Cadw listing

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

Description

This is a V-shaped cast iron milepost with a ramped top, painted white, and set on a square plinth that is currently buried under a raised footway. One side of the milepost features raised black letters and numerals stating 'To Llanelly 4 miles', while the opposite side displays 'To Kidwelly 4 miles' and 'To Carmarthen 13'.

Local climate

Milepost on Heol Llanelli sits in one of the wettest parts of the UK, with an average of 1,430 mm of rain a year. This makes it wetter than 98% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 99% of listed buildings.

It experiences an average of 10 freeze-thaw cycles a year, fewer than 91% of listed buildings. Of these, 3 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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  • 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

  1. Milepost on Heol Trimsaran Grade II 1.5 km
  2. Milepost on Bryncaerau Grade II 1.5 km
  3. Llandyry Church Grade II 2.3 km
  4. Bridge at Moat Farm Grade II 2.5 km
  5. Old house, including attached bakehouse, at Llettyrychen Fawr Farm Grade II 2.6 km
  6. Pwll y Llygoed Tramroad Bridge Grade II 2.7 km
  7. Pont Spwdwr (Spudder's Bridge) Grade II* 2.7 km
  8. Plas Kenrhos Grade II 2.8 km
  9. Penllwyn Cottage Grade II 2.8 km
  10. Former Kidwelly & Llanelly Canal aqueduct (also known as Glanstony Aqueduct) Grade II* 3.0 km