Barn at Lan Lash is a Grade II listed building in the Carmarthenshire local planning authority area, Wales. First listed on 30 January 2003. Barn. 1 related planning application.

Barn at Lan Lash

WRENN ID
solitary-eave-merlin
Grade
II
Local Planning Authority
Carmarthenshire
Constituency
Caerfyrddin MP: Ann Davies (PC)
Country
Wales
Date first listed
30 January 2003
Type
Barn
Address
Barn at Lan Lash, Llangathen, SA32 8BA
OS grid reference
SN 570 220
Coordinates
51.87893, -4.07822
Source
Cadw listing

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

Description

The barn at Lan Lash is a structure made of whitened rubble stone with a slate roof, featuring two wagon bays. On the eastern side facing the yard, there are full-height doorways with boarded doors. To the right of the right-hand bay is a single ventilation strip, while the left-hand side has a wall that is partly rebuilt. In the center, there is a boarded stable door with strap hinges and a hopper window to its right, all under a wide wooden lintel. The right gable end has superimposed ventilation strips, and the left gable end has four added pig sties, although the lean-to roofs are missing and the pens have roughcast walls. A boarded door on the eastern wall provides access to the farmyard, and the rear of the barn features a continuous corrugated iron outshut.

Inside, the rear of the barn is visible. The wagon bays both have lower doorways with timber lintels, and the left-hand bay has a single vent strip to its left, corresponding to the eastern side. To the right of the right-hand wagon bay doorway is a diesel engine, possibly a Lister, which was formerly connected to line shafting that still exists inside the barn, representing the latest phase of threshing in the building. The barn has been re-roofed with sawn collar-beam trusses.

Local climate

Barn at Lan Lash sits in one of the wettest parts of the UK, with an average of 1,350 mm of rain a year. This makes it wetter than 96% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 94% of listed buildings.

It experiences an average of 35 freeze-thaw cycles a year, more than 56% of listed buildings. Of these, 16 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
  • 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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Nearby listed buildings

  1. Cow house and dairy at Lan Lash Grade II 23 m
  2. Lan Lash, including attached former cow sheds Grade II 28 m
  3. The Coach House and The Barn at Aberglasney Grade II 944 m
  4. West Bailiff's Lodge at Aberglasney Grade II 952 m
  5. SE courtyard range, incorporating bakehouse and cow house at Aberglasney Grade II 961 m
  6. East Bailiffs Lodge at Aberglasney Grade II 963 m
  7. Lodge to Aberglasney, including stone archways into courtyard Grade II 981 m
  8. NE courtyard range at Aberglasney, incorporating stables and cart shed Grade II 992 m
  9. Gardener's Cottage Café at Aberglasney Grade II 1.0 km
  10. Arcaded terrace walks enclosing walled garden at Aberglasney Grade II* 1.1 km