Ha Ha Directly to West of Treyarnon Farmhouse is a Grade II listed building in the Cornwall local planning authority area, England. First listed on 20 May 1988. Ha ha.
Ha Ha Directly to West of Treyarnon Farmhouse
- WRENN ID
- first-cobble-finch
- Grade
- II
- Local Planning Authority
- Cornwall
- Constituency
- North Cornwall MP: Ben Maguire (LD)
- Country
- England
- Date first listed
- 20 May 1988
- Type
- Ha ha
- Address
- Ha Ha Directly to West of Treyarnon Farmhouse, St. Merryn
- OS grid reference
- SW 861 737
- Coordinates
- 50.5247, -5.01831
- Source
- Historic England listing
Description
The ha ha located directly to the west of Treyarnon Farmhouse dates from the early 19th century. It features slate stone rubble retaining walls arranged in both horizontal and vertical courses. To the west, there is a ditch that forms the ha ha, which is situated adjacent to the farmhouse.
Local climate
Ha Ha Directly to West of Treyarnon Farmhouse 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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- 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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Nearby listed buildings
- Treyarnon Farmhouse
- Carnevas Farmhouse and Garden Walls to South
- Remains of Church of St Constantine
- Remains of St Constantine's Well
- House Directly to South of Towan Cottage
- Trevoyan Farmhouse
- Gate Piers to East of Trevoyan Farmhouse
- St Merryn School
- Chapel of St Merryn (Methodist)
- Arts and Crafts Centre