Wall Attached to North West of Heligan House is a Grade II listed building in the Cornwall local planning authority area, England. First listed on 28 January 1988. Boundary wall. 1 related planning application.
Wall Attached to North West of Heligan House
- WRENN ID
- roaming-rampart-gold
- Grade
- II
- Local Planning Authority
- Cornwall
- Constituency
- St Austell and Newquay MP: Noah Law (Lab)
- Country
- England
- Date first listed
- 28 January 1988
- Type
- Boundary wall
- Address
- Wall Attached to North West of Heligan House, PL26 6EN
- OS grid reference
- SW 999 464
- Coordinates
- 50.284, -4.80996
- Source
- Historic England listing
Description
This late 18th- or early 19th-century wall forms a boundary between the garden and the stable yard. Constructed of slatestone rubble with granite dressings and piers, it stands approximately 1½ metres high and extends for about 50 metres in a serpentine pattern. The wall incorporates rubble pilasters at regular intervals and has chamfered granite coping. On the stable yard side, a semicircular granite trough is attached to the wall, alongside a flight of six granite steps with moulded treads, which create a mounting block alongside the gateway to the garden. That gateway is marked by a pair of square ashlar piers, approximately 1½ metres high, with pyramidal stone tops.
Local climate
Wall Attached to North West of Heligan House receives an average of 910 mm of rain a year. This makes it wetter than 68% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 86% of listed buildings.
It experiences an average of 7 freeze-thaw cycles a year, fewer than 95% of listed buildings. Of these, 3 follow at least 1 mm of rain in the preceding 48 hours. Average temperatures at this location have risen by 0.2°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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- Full EPC report — heating system, energy costs, size, glazing, construction etc.
- Sale history — 14 transactions since 1995
- Related listed building consents — 1 application
- 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
Matched applications, energy data and sale records are assembled automatically and may contain errors. Flag incorrect data.
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