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

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

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

Sign in or create a free account to unlock:

  • 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
Create free account

Matched applications, energy data and sale records are assembled automatically and may contain errors. Flag incorrect data.

Similar buildings

The closest matches to this building from all 493,000 UK listed buildings, by architecture, period and materials.

Nearby listed buildings

  1. Treyarnon Farmhouse Grade II 17 m
  2. Carnevas Farmhouse and Garden Walls to South Grade II 1.0 km
  3. Remains of Church of St Constantine Grade II 1.2 km
  4. Remains of St Constantine's Well Grade II 1.2 km
  5. House Directly to South of Towan Cottage Grade II 1.5 km
  6. Trevoyan Farmhouse Grade II* 1.5 km
  7. Gate Piers to East of Trevoyan Farmhouse Grade II 1.5 km
  8. St Merryn School Grade II 1.6 km
  9. Chapel of St Merryn (Methodist) Grade II 1.6 km
  10. Arts and Crafts Centre Grade II 1.6 km