Barn at Llanerch-uchaf is a Grade II listed building in the Caerphilly local planning authority area, Wales. First listed on 29 January 1999. Barn.

Barn at Llanerch-uchaf

WRENN ID
solemn-belfry-sorrel
Grade
II
Local Planning Authority
Caerphilly
Constituency
Newport West and Islwyn MP: Ruth Jones (Lab)
Country
Wales
Date first listed
29 January 1999
Type
Barn
Address
Barn at Llanerch-uchaf, Trinant, Crumlin
OS grid reference
SO 212 000
Coordinates
51.69401, -3.14093
Source
Cadw listing

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

Description

The barn at Llanerch-uchaf is a small rectangular structure made of limewashed rubble, topped with a corrugated roof that extends to create a hood over a small doorway. It features a deep gabled porch and double doors facing the farmyard. There are ventilation slits on each side, although these are blocked. To the right, there is an added lean-to, while a smaller gabled wing is located to the left. Additional extensions can be found on the farmyard side.

Local climate

Barn at Llanerch-uchaf sits in a wetter-than-average part of the UK, with an average of 1,020 mm of rain a year. This makes it wetter than 81% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 75% of listed buildings.

It experiences an average of 43 freeze-thaw cycles a year, more than 81% of listed buildings. Of these, 20 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
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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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