Potato Store/Root House at Hendre Arddwyfaen is a Grade II listed building in the Conwy local planning authority area, Wales. First listed on 1 April 1998. Store.

Potato Store/Root House at Hendre Arddwyfaen

WRENN ID
crooked-remnant-spring
Grade
II
Local Planning Authority
Conwy
Constituency
Bangor Aberconwy MP: Claire Hughes (Lab)
Country
Wales
Date first listed
1 April 1998
Type
Store
Address
Potato Store/Root House at Hendre Arddwyfaen, Llangwm
OS grid reference
SH 961 467
Coordinates
53.00754, -3.54876
Source
Cadw listing

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

Description

The potato store or root house at Hendre Arddwyfaen is a small structure featuring a segmentally vaulted chamber that is partly cut into the rock. It is located opposite the corner of the farmhouse. The chamber measures 2.1 meters by 2.1 meters and has a height of 1.54 meters at the crown of the shallow barrel vault. The back of the chamber is rock cut, while the front has a single door opening.

Local climate

Potato Store/Root House at Hendre Arddwyfaen sits in a wetter-than-average part of the UK, with an average of 1,110 mm of rain a year. This makes it wetter than 88% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 70% of listed buildings.

It experiences an average of 51 freeze-thaw cycles a year, more than 93% of listed buildings. Of these, 31 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
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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. Carthouse in farmyard NE of Hendre Arddwyfaen Grade II 105 m
  2. Kiln House (roddyn) at Melin Pen-y-gaer Grade II 662 m
  3. Melin Pen-y-gaer, aka Ty-nant Mill Grade II 669 m
  4. Pont Moelfre Grade II 851 m
  5. Capel M C Cefn Nannau Grade II 1.3 km
  6. Pont Tai'n-rhos, aka Pont-yr-ebach (partly in Cerrigydrudion Community) Grade II 1.8 km
  7. Pont Tai'n-rhos, also known as Pont yr Ebach, (partly in Llangwm Community) Grade II 1.8 km
  8. Pont-y-capel Grade II 1.8 km
  9. Telford Milestone (57) Grade II 2.0 km
  10. Pont Ty'n-y-rhyd Grade II 2.1 km