Barn Immediately South West of Penwarne Barton Farmhouse is a Grade II listed building in the Cornwall local planning authority area, England. First listed on 17 June 1988. Barn. 1 related planning application.

Barn Immediately South West of Penwarne Barton Farmhouse

WRENN ID
sombre-cupola-dale
Grade
II
Local Planning Authority
Cornwall
Constituency
Camborne and Redruth MP: Perran Moon (Lab)
Country
England
Date first listed
17 June 1988
Type
Barn
Address
Barn Immediately South West of Penwarne Barton Farmhouse, Mawnan, TR11 5JP
OS grid reference
SW 773 301
Coordinates
50.12958, -5.11611
Source
Historic England listing

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

Description

This barn, likely a granary over stables, shippons (loose boxes), and a waggon shed, was probably built around the middle of the 19th century. It is constructed of local killas and elvan rubble with granite and some brick dressings, and has a hipped roof covered in scantle slate held in place by grouting. The building has a long, rectangular plan. A waggon shed is situated to the left, featuring opposing loading and winnowing doorways. To the right of the waggon shed is a smaller stable or tack room. Shippons or loose boxes of equal size are located to the right and left of the waggon shed, with a final stable positioned at the far right. The south-east front has a regular two-window appearance. Shallow brick arches are above the openings in the middle and on the left, while granite lintels cover the other openings. A wide doorway is on the left, with a loading doorway above it, and a smaller doorway is approximately in the middle. Flanking these doorways are two symmetrical one-window fronts, each with a doorway on the right and left, and a further doorway is located at the far right. The interior of the barn has not been inspected.

Local climate

Barn Immediately South West of Penwarne Barton 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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  • Full EPC report — heating system, energy costs, size, glazing, construction etc.
  • Sale history — 3 transactions since 1999
  • 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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  5. Higher Penjerrick Grade II 714 m
  6. Gate Piers, Gate and Flanking Walls at Sw776308 (Penwarne) Grade II 735 m
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  8. Bareppa House Grade II* 851 m
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