Trekennick Farmhouse is a Grade II listed building in the Cornwall local planning authority area, England. First listed on 23 November 1988. Farmhouse. 1 related planning application.

Trekennick Farmhouse

WRENN ID
heavy-newel-candle
Grade
II
Local Planning Authority
Cornwall
Constituency
North Cornwall MP: Ben Maguire (LD)
Country
England
Date first listed
23 November 1988
Type
Farmhouse
Address
Trekennick Farmhouse, Altarnun, PL15 7SL
OS grid reference
SX 217 815
Coordinates
50.60677, -4.52117
Source
Historic England listing

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

Description

Trekkennick Farmhouse is a farmhouse dating from the late 17th or early 18th century. It is constructed of rendered and painted stone rubble and cob, with areas of slate hung, and has a corrugated asbestos roof with gable ends replacing the original thatch. Stone end stacks are present.

The original plan was likely double-depth, with a central entrance leading to two main rooms at the front, heated by end stacks, and narrower service rooms at the rear within an integral outshut. The internal partitions of the front rooms may have been altered. A 19th-century porch and well house, which now functions as an entrance, sits directly into the larger room to the right. The smaller room on the left, likely the parlour, is situated on a slightly higher ground level which slopes down to the right.

The exterior presents a near-symmetrical three-window front. The 19th-century porch and well house has a slate roof, gabled on the left and hipped on the right, and houses a late 19th or 20th-century panelled door. It is flanked by two 20th-century windows, with three similar windows on the first floor.

Inside, the floor joists are fairly thin and slightly chamfered with run-out stops. Fireplaces have been blocked and fitted with 20th-century grates. The first floor was not inspected.

Local climate

Trekennick 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 — 4 transactions since 1997
  • 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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