Trewen Farmhouse is a Grade II listed building in the Cornwall local planning authority area, England. First listed on 10 May 1989. Farmhouse. 1 related planning application.

Trewen Farmhouse

WRENN ID
scarred-chapel-storm
Grade
II
Local Planning Authority
Cornwall
Constituency
North Cornwall MP: Ben Maguire (LD)
Country
England
Date first listed
10 May 1989
Type
Farmhouse
Address
Trewen Farmhouse, PL15 8QF
OS grid reference
SX 253 835
Coordinates
50.62539, -4.47019
Source
Historic England listing

Also on this page: sale history · EPC · related consents · flood risk · radon risk · weather exposure · detailed attributes ↓

Description

Trewen Farmhouse is a farmhouse dating from the late 17th to early 18th century. It is constructed of stone rubble, rendered on the front, with a rag slate roof featuring gable ends. Stone rubble end stacks are present. The original plan comprised two rooms and a cross passage, with a small outshut added circa 1800 to the rear of the right-hand room, and a stair likely added to the rear of the passage.

The two-storey front has an almost symmetrical three-window arrangement. A circa 1800 plank door with a slate hood is centrally positioned. Late 19th or 20th-century three-light and two-light casement windows are on the ground floor to the left and right respectively. The first floor has two circa 1800 two-light casements flanking a central circa 1800 one-light casement.

Inside, the passage has circa 1800 wood-boarded partitions on either side. Ceiling beams are covered by later ceilings. The left-hand room features a granite surround to the fireplace, with a circa 1800 mantel-shelf.

Local climate

Trewen Farmhouse sits in a wetter-than-average part of the UK, with an average of 1,030 mm of rain a year. This makes it wetter than 83% 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 16 freeze-thaw cycles a year, fewer than 84% of listed buildings. Of these, 7 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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  • Full EPC report — heating system, energy costs, size, glazing, construction etc.
  • Sale history — 7 transactions since 1998
  • 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
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Nearby listed buildings

  1. Barn Directly to South West of Trewen Farmhouse Grade II 13 m
  2. Barn Directly to South East of Trewen Farmhouse Grade II 17 m
  3. Innyside Farmhouse Grade II 114 m
  4. Church of St Michael Grade II* 181 m
  5. Trewen Mill Grade II 432 m
  6. Bridge Directly South of Trewen Mill Grade II 499 m
  7. Sherrell Grade II 756 m
  8. South Lodge South Lodge, Tregeare Grade II 879 m
  9. Little Trethinna Grade II 1.0 km
  10. Lower Trethinna Cottage Grade II 1.0 km