Trelew Farmhouse is a Grade II listed building in the Cornwall local planning authority area, England. First listed on 12 March 1986. Farmhouse. 4 related planning applications.

Trelew Farmhouse

WRENN ID
sleeping-stronghold-owl
Grade
II
Local Planning Authority
Cornwall
Constituency
Truro and Falmouth MP: Jayne Kirkham (Lab)
Country
England
Date first listed
12 March 1986
Type
Farmhouse
Address
Trelew Farmhouse, Mylor, TR11 5NL
OS grid reference
SW 811 352
Coordinates
50.1767, -5.06596
Source
Historic England listing

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

Description

Trelew Farmhouse is a farmhouse dating from around the mid 18th century. It features painted shale rubble walls with dressed granite quoins and flat arches over the ground floor openings, along with slate sills. The roof is made of ripped scantle slate and slopes lower at the rear, with brick chimneys on the side walls.

The layout includes a central lobby entrance, with a kitchen/living room on the left and a parlour on the right. A central rear stair leads off from the living room, flanked by narrow service rooms on either side. The building is two storeys high and has a nearly symmetrical three-window front on the southeast side. The central doorway is topped with a wooden hood supported by brackets and features a four-panel door with later glazing in the top panels.

The left-hand kitchen/living room has a wider window opening with an early 19th-century hornless sash, while the right-hand parlour has a 16-pane hornless sash from the same period. The first-floor windows are original 18th-century 16-pane two-light casements with thick internally ovolo-moulded glazing bars.

Inside, the farmhouse is virtually unaltered since the 18th century, retaining much of its original carpentry and joinery. This includes a closed string dog leg stair with square newel posts, moulded caps, column turned balusters, and a rounded handrail. Most doors are two-panel, except for the doorway leading into the left-hand service room, which has a reeded architrave. The parlour features a fine eared wooden chimney piece with key pattern detail beneath a moulded cornice, flanked by original niches with shaped shelves and fielded panels on the cupboard doors below. Some of the panelling from this house is now housed in Truro Museum. It is unusual to find a small 18th-century farmhouse with such high-quality details.

Local climate

Trelew Farmhouse receives an average of 850 mm of rain a year. This makes it wetter than 59% 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 7 freeze-thaw cycles a year, fewer than 95% 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
  • Sale history — 2 transactions since 2018
  • Related listed building consents — 4 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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