Trenhorne Cottage is a Grade II listed building in the Cornwall local planning authority area, England. First listed on 10 May 1989. House. 2 related planning applications.

Trenhorne Cottage

WRENN ID
empty-footing-juniper
Grade
II
Local Planning Authority
Cornwall
Constituency
North Cornwall MP: Ben Maguire (LD)
Country
England
Date first listed
10 May 1989
Type
House
Address
Trenhorne Cottage, Lewannick, PL15 7PN
OS grid reference
SX 276 786
Coordinates
50.58173, -4.43522
Source
Historic England listing

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

Description

Trenhorne Cottage is a house with an attached outbuilding, likely dating from the mid-17th century. It is constructed of stone rubble and features a rag slate roof with gable ends. The outbuilding to the left has a lower roof and a hipped end. The house has stone rubble end stacks, with a cloam oven projection on the right.

The original layout of the house is uncertain, but it consists of a two-room plan heated by end stacks. The entrance was probably slightly to the left of center, leading into a cross passage. In the 18th century, the house was extended to the left, adding a small outshut, which likely became the new entrance. In the early 19th century, this outshut was further extended with a rectangular outbuilding.

The exterior is two storeys high with an asymmetrical two-window front. The entrance, originally slightly to the left of center, is now partly blocked, with a 19th-century two-light window inserted. This opening features a chamfered lintel with a straight cut stop on the left. To the right is a 19th-century two-light casement, with two additional 19th-century two-light casements on the first floor. The right corner was partly rebuilt in the early 19th century. The outbuilding on the left has double doors on the ground floor, a small 20th-century window, and a 19th-century door to the right. There is a small one-light casement on the first floor, and the left end of the outbuilding has a small one-light window made from a single piece of stone, with holes for stanchion bars at the top and bottom. The interior has not been inspected.

Local climate

Trenhorne Cottage 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 84% of listed buildings.

It experiences an average of 18 freeze-thaw cycles a year, fewer than 82% of listed buildings. Of these, 8 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
  • Related listed building consents — 2 applications
  • 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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