Oast Houses and Drying Shed at Chartwell Farm is a Grade II listed building in the Sevenoaks local planning authority area, England. First listed on 16 January 1975. Oast houses.

Oast Houses and Drying Shed at Chartwell Farm

WRENN ID
cold-timber-jet
Grade
II
Local Planning Authority
Sevenoaks
Constituency
Sevenoaks MP: Laura Trott (Con)
Country
England
Date first listed
16 January 1975
Type
Oast houses
Address
Oast Houses and Drying Shed at Chartwell Farm, Mariners Hill, Westerham
OS grid reference
TQ 456 513
Coordinates
51.24308, 0.08471
Source
Historic England listing

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

Description

The Oast Houses and drying shed at Chartwell Farm, likely built in the early 19th century, consist of a group of three conjoined oasts with an attached drying shed. The structure features random rubble masonry, conical tiled roofs, and wooden cowls. There are brick-lined drain holes in the foundations. The drying shed is two storeys high with four bays, a few irregularly placed windows, and one door on the ground floor and another on the first floor. It is constructed of random rubble with brick quoins and dressings, and there is a large modern window in the upper floor of the west end. The building is currently used as a garage and storeroom.

Local climate

Oast Houses and Drying Shed at Chartwell Farm receives an average of 760 mm of rain a year. This makes it drier than 67% of listed buildings in the UK. Its exposure to wind-driven rain is lower than that of 57% of listed buildings.

It experiences an average of 33 freeze-thaw cycles a year, fewer than 56% of listed buildings. Of these, 16 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 sale records on file
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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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