Farm building at Henllan is a Grade II listed building in the Powys local planning authority area, Wales. First listed on 19 September 2002. Farm building.

Farm building at Henllan

WRENN ID
woven-wattle-twilight
Grade
II
Local Planning Authority
Powys
Constituency
Montgomeryshire and Glyndwr MP: Steve Witherden (Lab)
Country
Wales
Date first listed
19 September 2002
Type
Farm building
Address
Farm building at Henllan, Llangynyw, Llangyniew
OS grid reference
SJ 131 091
Coordinates
52.67298, -3.28541
Source
Cadw listing

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

Description

The farm building at Henllan is a box-framed structure consisting of five bays, three of which are lofted. It functions as a barn, stable, and for various general farm uses. The building is positioned east to west, parallel to the road on the north side, directly opposite Henllan farmhouse. Its exterior is primarily covered with corrugated steel sheeting, while the west gable and part of the south elevation feature timber boarding. Beneath the boarding and sheeting on the south side, there is rough walling made of brickwork or stonework. The building has lean-tos at the rear.

The left bay (west) serves as a stable with a hayloft, the second bay was used for straw and root cutting as well as feed kibbling, the middle bay contains loose box stabling, the fourth bay is designated for hay storage, and the fifth bay (east) includes another loose box with a hayloft.

Local climate

Farm building at Henllan receives an average of 950 mm of rain a year. This makes it wetter than 73% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 67% of listed buildings.

It experiences an average of 39 freeze-thaw cycles a year, more than 76% 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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  • 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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  4. Church of St Cynyw Grade II* 472 m
  5. Ty-mawr Farmhouse Grade II 621 m
  6. Heniarth Mill Grade II 1.4 km
  7. Tanhouse Bridge Grade II 1.5 km
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