Octagonal Shelter 1 in the grounds to south-west of Pen-y-fal is a Grade II listed building in the Monmouthshire local planning authority area, Wales. First listed on 15 June 1992. House.

Octagonal Shelter 1 in the grounds to south-west of Pen-y-fal

WRENN ID
ghost-granite-sage
Grade
II
Local Planning Authority
Monmouthshire
Constituency
Monmouthshire MP: Catherine Fookes (Lab)
Country
Wales
Date first listed
15 June 1992
Type
House
Address
Octagonal Shelter 1 in the grounds to south-west of Pen-y-fal, Abergavenny
OS grid reference
SO 305 143
Coordinates
51.82348, -3.00901
Source
Cadw listing

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

Description

The octagonal shelter, located in the grounds to the south-west of Pen-y-fal, is designed in a spa or seaside style. It features a timber structure with a roof made of new broadly corrugated steel sheeting. The roof is topped with a finial supported by corner pillars, which are designed as turned balusters in their upper halves. The eaves are adorned with boarded fretted valances. Inside, the shelter contains four bays created by half-glazed screens that include glazing bars. These screens are complemented by planked benches and have splayed sides positioned midway between the main pillars, all beneath a flat ceiling.

Local climate

Octagonal Shelter 1 in the grounds to south-west of Pen-y-fal receives an average of 960 mm of rain a year. This makes it wetter than 74% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 71% of listed buildings.

It experiences an average of 45 freeze-thaw cycles a year, more than 86% of listed buildings. Of these, 22 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. Rectangular Shelter in the grounds of Pen-y-fal Grade II 23 m
  2. Lodge of Pen-y-fal Grade II 49 m
  3. Parc Pen-y-fal (former main hospital building) Grade II 55 m
  4. Chapel of former Pen-y-fal Hospital Grade II 64 m
  5. Octagonal Shelter 2 in the grounds to south of Pen-y-fal Grade II 73 m
  6. Octagonal Shelter 3 in the grounds to south of Pen-y-fal Grade II 101 m
  7. Octagonal Shelter 6 in the grounds of Pen-y-fal Grade II 124 m
  8. Octagonal Shelter 5 in the grounds to north of Pen-y-fal Grade II 167 m
  9. Octagonal Shelter 4 in the grounds to north of Pen-y-fal Grade II 192 m
  10. Mill House Grade II 313 m