Walls to Terraced Garden at Lower Dyffryn is a Grade II listed building in the Monmouthshire local planning authority area, Wales. First listed on 19 October 2000. Garden feature.

Walls to Terraced Garden at Lower Dyffryn

WRENN ID
blind-solder-poplar
Grade
II
Local Planning Authority
Monmouthshire
Constituency
Monmouthshire MP: Catherine Fookes (Lab)
Country
Wales
Date first listed
19 October 2000
Type
Garden feature
Address
Walls to Terraced Garden at Lower Dyffryn, The Dyffryn, Abergavenny, Grosmont
OS grid reference
SO 434 227
Coordinates
51.90051, -2.82271
Source
Cadw listing

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

Description

The walls to the terraced garden at Lower Dyffryn are constructed of rubble stone and feature dry stone walls. The large terrace located to the west of Lower Dyffryn house is surrounded by a low wall on the south and west sides, while the north side is bordered by a higher wall. Beneath the terrace revetment wall, there are remnants of medieval or Tudor fishponds. In the center of the north wall, there is a rounded alcove that includes a small central window, which provides a view of the fishponds and the River Monnow below.

Local climate

Walls to Terraced Garden at Lower Dyffryn receives an average of 840 mm of rain a year. This makes it wetter than 57% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 56% of listed buildings.

It experiences an average of 43 freeze-thaw cycles a year, more than 84% 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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Nearby listed buildings

  1. Lower Dyffryn House Grade II* 40 m
  2. Granary and Cider House at Lower Dyffryn Grade II 62 m
  3. Shelter Shed at Lower Dyffryn Grade II 78 m
  4. Hay Barn, attached Corn Barns, and Pigsty at Lower Dyffryn Grade II 104 m
  5. Barn at Upper Dyffryn Grade II 1.4 km
  6. Upper Dyffryn House Grade II* 1.5 km
  7. Former Detached Kitchen and Dairy at Upper Dyffryn Grade II* 1.5 km
  8. Blackbrook House Grade II 1.9 km
  9. Nant-yr-yrch Farmhouse Grade II 2.2 km
  10. Norton Court Grade II* 2.7 km