Garden Wall and Pergola at High Glanau is a Grade II listed building in the Monmouthshire local planning authority area, Wales. First listed on 22 February 1989. Garden wall and pergola.
Garden Wall and Pergola at High Glanau
- WRENN ID
- hidden-moulding-curlew
- Grade
- II
- Local Planning Authority
- Monmouthshire
- Constituency
- Monmouthshire MP: Catherine Fookes (Lab)
- Country
- Wales
- Date first listed
- 22 February 1989
- Type
- Garden wall and pergola
- Address
- Garden Wall and Pergola at High Glanau, Mitchel Troy, Monmouth
- OS grid reference
- SO 498 073
- Coordinates
- 51.76248, -2.72867
- Source
- Cadw listing
Description
The garden wall and pergola at High Glanau is a rubble wall with coping that extends from the woodland at the southwest edge of the informal gardens to a narrow country lane. At the western end, there is a garden shed that projects on both sides of the wall. Beyond this, a doorway leads into the kitchen garden, featuring stepped voussoirs on the north side. Steps rise to the east, leading to the pergola, which has recently been restored. The pergola is supported by four cylindrical columns and a taller buttressed wall. There is an additional doorway at the eastern end.
Local climate
Garden Wall and Pergola at High Glanau receives an average of 820 mm of rain a year. This makes it wetter than 52% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 57% of listed buildings.
It experiences an average of 42 freeze-thaw cycles a year, more than 80% 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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