Penrhyn Park boundary wall (partly in Llandygai community) is a Grade II listed building in the Gwynedd local planning authority area, Wales. First listed on 9 March 2000.

Penrhyn Park boundary wall (partly in Llandygai community)

WRENN ID
ragged-flint-river
Grade
II
Local Planning Authority
Gwynedd
Constituency
Bangor Aberconwy MP: Claire Hughes (Lab)
Country
Wales
Date first listed
9 March 2000
Address
Penrhyn Park boundary wall (partly in Llandygai community), Llanllechid
OS grid reference
SH 610 717
Coordinates
53.22484, -4.08307
Source
Cadw listing

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

Local climate

Penrhyn Park boundary wall (partly in Llandygai community) sits in one of the wettest parts of the UK, with an average of 1,210 mm of rain a year. This makes it wetter than 92% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 90% of listed buildings.

It experiences an average of 37 freeze-thaw cycles a year, more than 67% of listed buildings. Of these, 19 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
  • No related consent applications matched
  • 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. Bridge at the mouth of the Afon Ogwen (partly in Llandygai community) Grade II* 362 m
  2. Estate Kennels Grade II 374 m
  3. Penrhyn Castle Grade I 778 m
  4. Kitchen garden wall and attached outbuildings Grade II 967 m
  5. Maes-y-Gerddi Grade II 972 m
  6. Eglwys St Cross Grade II 988 m
  7. Chapel Remains Grade II 1.0 km
  8. Arfryn, Argoed & Coed llys Grade II 1.0 km
  9. Tan-y-lon Grade II 1.1 km
  10. Glan-y-mor-isaf Grade II 1.1 km