Front Wall and Gate Piers Immediately West of Trevethan House is a Grade II listed building in the Cornwall local planning authority area, England. First listed on 20 May 1988. Wall and gate-piers.

Front Wall and Gate Piers Immediately West of Trevethan House

WRENN ID
muffled-span-solstice
Grade
II
Local Planning Authority
Cornwall
Constituency
North Cornwall MP: Ben Maguire (LD)
Country
England
Date first listed
20 May 1988
Type
Wall and gate-piers
Address
Front Wall and Gate Piers Immediately West of Trevethan House, St. Eval
OS grid reference
SW 858 718
Coordinates
50.507, -5.02215
Source
Historic England listing

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

Description

The front wall and gate piers immediately west of Trevethan House date from around the mid-19th century and are contemporary with the house. They consist of slate rubble walls topped with pitched slate saddle-back capping. The walls curve towards the gateway, which is located to the left of center. The gateway features a pair of square-on-plan dressed slate gate piers, each topped with slate caps.

Local climate

Front Wall and Gate Piers Immediately West of Trevethan House sits in a wetter-than-average part of the UK, with an average of 1,000 mm of rain a year. This makes it wetter than 80% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 92% of listed buildings.

It experiences an average of 6 freeze-thaw cycles a year, fewer than 96% of listed buildings. Of these, 2 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
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  • Radon risk assessment
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Nearby listed buildings

  1. Trevethan House Grade II 25 m
  2. Porthcothan Cottage Grade II 655 m
  3. Carnevas Farmhouse and Garden Walls to South Grade II 1.0 km
  4. Gate Piers to East of Trevoyan Farmhouse Grade II 1.3 km
  5. Trevoyan Farmhouse Grade II* 1.3 km
  6. Lewidden Bridge Grade II 1.9 km
  7. Tregona Chapel Including Forecourt Area Wall and Gate Piers Grade II 2.0 km
  8. Penrose Farmhouse Grade II 2.0 km
  9. Treyarnon Farmhouse Grade II 2.0 km
  10. Ha Ha Directly to West of Treyarnon Farmhouse Grade II 2.0 km