Trethake Farmhouse is a Grade II listed building in the Cornwall local planning authority area, England. First listed on 30 April 1985. Farmhouse.
Trethake Farmhouse
- WRENN ID
- second-hall-hemlock
- Grade
- II
- Local Planning Authority
- Cornwall
- Constituency
- South East Cornwall MP: Anna Gelderd (Lab)
- Country
- England
- Date first listed
- 30 April 1985
- Type
- Farmhouse
- Address
- Trethake Farmhouse, Lanteglos
- OS grid reference
- SX 155 527
- Coordinates
- 50.34557, -4.59323
- Source
- Historic England listing
Description
Trethake Farmhouse is a farmhouse that possibly dates back to the early 18th century and was extensively remodeled around the 1840s. It is constructed from rubble stone and features rubbed brick arches over the openings on the front. The roof is slate with gabled ends, and there are two brick stacks on the left-hand gable end with projecting breasts, as well as a brick stack on the right-hand gable end.
Originally, the farmhouse consisted of two rooms with a cross passage, which has since been extended with a kitchen range added to the rear under a raised roof. The building is two storeys high and has a symmetrical three-window front. On the ground floor, there are two 16-pane sash windows without horns flanking a panelled door that has glazed top panels and is slightly set back. Above, there are two more 16-pane sashes with a 12-pane timber sash in the centre, all without horns and featuring crown glass. The roof, dating from the early 19th century, is pegged.
The site is historically significant as it is associated with the Domesday manor "Trethac" Barton, as recorded in the Domesday Book for Cornwall in 1086.
Local climate
Trethake 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 91% of listed buildings.
It experiences an average of 9 freeze-thaw cycles a year, fewer than 92% of listed buildings. Of these, 3 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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