Walls of Walled Garden at The Grondra is a Grade II listed building in the Monmouthshire local planning authority area, Wales. First listed on 30 January 2001. Garden walls.

Walls of Walled Garden at The Grondra

WRENN ID
outer-pavement-foxglove
Grade
II
Local Planning Authority
Monmouthshire
Constituency
Monmouthshire MP: Catherine Fookes (Lab)
Country
Wales
Date first listed
30 January 2001
Type
Garden walls
Address
Walls of Walled Garden at The Grondra, Chepstow, Shirenewton
OS grid reference
ST 493 936
Coordinates
51.63905, -2.73399
Source
Cadw listing

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

Description

The walls of the walled garden at The Grondra form a large rectangular area measuring approximately 50 meters by 60 meters, with walls standing about 3 meters high. These walls are constructed from coursed squared red sandstone rubble, topped with dressed copings. The inner faces of the walls are made of red brick. A pair of red brick gatepiers and wrought iron gates were added in the late 20th century. Additionally, there are three small original doorways. The north wall shows evidence of greenhouses that have since been removed.

Local climate

Walls of Walled Garden at The Grondra receives an average of 830 mm of rain a year. This makes it wetter than 55% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 59% of listed buildings.

It experiences an average of 39 freeze-thaw cycles a year, more than 76% of listed buildings. Of these, 18 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.

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Nearby listed buildings

  1. Icehouse at The Grondra Grade II 55 m
  2. The Grondra Grade II 94 m
  3. Milestone Grade II 640 m
  4. Gatepiers and Gates at Wellhead Lodge Grade II 1.1 km
  5. Garden seat in the grounds to east of Shirenewton Hall Grade II 1.3 km
  6. Summerhouse in the grounds to east of Shirenewton Hall Grade II 1.3 km
  7. Stables, Coach house and attached boundary walls at Shirenewton Hall Grade II 1.3 km
  8. Shirenewton Hall Grade II 1.3 km
  9. The Old Rectory Grade II 1.3 km
  10. Gates, Gatepiers, Railings and Walls at Shirenewton Hall Grade II 1.4 km