Clays Barn is a Grade II listed building in the Sevenoaks local planning authority area, England. Barn.

Clays Barn

WRENN ID
gentle-panel-willow
Grade
II
Local Planning Authority
Sevenoaks
Constituency
Tonbridge MP: Tom Tugendhat (Con)
Country
England
Type
Barn
Address
Clays Barn, Cowden
OS grid reference
TQ 451 407
Coordinates
51.14729, 0.07324
Source
Historic England listing

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

Description

Clays Barn is a barn built in the 18th century, incorporating some upright posts and tension braces from the late 16th or early 17th century. It features a timber frame with four bays, standing on a sandstone plinth and clad in weatherboarding, including some old tarred elm weatherboarding at the rear. The barn has a double cart entrance and a roof now covered in corrugated iron sheeting. The roof structure includes a queen post with through purlins, oak rafters, and a ridge piece. Seven of the upright posts have gunstock jowls, and several contain slots for curved beams. The right-hand end of the barn may have been floored at one time and features several large curved braces from the 17th century or earlier in the wall frame. The wall frame includes a midrail, while the other bays have diagonal tension braces from the 18th century. The right side end bays also have diagonal wind braces supporting the roof. Carpenter's marks from the 18th century are present, and there are later bolted dragon posts added to strengthen the upright posts. A 20th-century lean-to extension on the left side is not of special interest.

Local climate

Clays Barn receives an average of 760 mm of rain a year. This makes it drier than 66% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 57% of listed buildings.

It experiences an average of 32 freeze-thaw cycles a year, fewer than 58% of listed buildings. Of these, 15 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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  • 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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