Plas Farm Outbuildings (Henblas Farm Outbuildings) is a Grade II listed building in the Conwy local planning authority area, Wales. First listed on 14 April 1992. Outbuildings.

Plas Farm Outbuildings (Henblas Farm Outbuildings)

WRENN ID
tenth-tallow-woodpecker
Grade
II
Local Planning Authority
Conwy
Constituency
Bangor Aberconwy MP: Claire Hughes (Lab)
Country
Wales
Date first listed
14 April 1992
Type
Outbuildings
Address
Plas Farm Outbuildings (Henblas Farm Outbuildings), Llanfairfechan
OS grid reference
SH 683 747
Coordinates
53.2536, -3.97497
Source
Cadw listing

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

Description

Plas Farm Outbuildings, also known as Henblas Farm Outbuildings, feature an L-shaped layout. The low range runs roughly north to south and is constructed from whitewashed rubble with a slate roof made of graduated courses of grey and purple slates.

At a right angle to this range is a barn, which has a slate roof and whitewashed rubble walls. The barn includes ventilation slits that flank an asymmetrically placed doorway. Inside, it has standard 19th-century roof trusses with king posts and diagonal struts. To the right of the barn is a lower block with a hipped roof, which has a broad doorway flanked by wooden windows featuring T-bar glazing.

To the south of the barn range, at a right angle to The Close, is a Dutch barn. The stone end wall facing The Close has ventilation slots and a segmental gable. The Dutch barn has a corrugated roof covering over its segmental roof, with cast-iron columns on the sides set on massive flat stones. The rear (southeast) side is clad in corrugated material.

Local climate

Plas Farm Outbuildings (Henblas Farm Outbuildings) sits in one of the wettest parts of the UK, with an average of 1,190 mm of rain a year. This makes it wetter than 91% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 86% of listed buildings.

It experiences an average of 38 freeze-thaw cycles a year, more than 73% of listed buildings. Of these, 21 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
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  • Radon risk assessment
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Nearby listed buildings

  1. Bolnhurst Grade II 20 m
  2. Plas Farmhouse (Henblas Farm) Grade II 31 m
  3. Woodcot Grade II 37 m
  4. Church Institute Grade II* 38 m
  5. Northfield Grade II 41 m
  6. Granary/Cartshed Grade II 43 m
  7. Brooklands Grade II 54 m
  8. Whilome Grade II 54 m
  9. Northcot Grade II 54 m
  10. Church Men's Club (Church Institute) Grade II 56 m