Upper Postern Oast is a Grade II listed building in the Tunbridge Wells local planning authority area, England. First listed on 24 August 1990. Converted oasthouse. 4 related planning applications.

Upper Postern Oast

WRENN ID
forgotten-rotunda-claret
Grade
II
Local Planning Authority
Tunbridge Wells
Constituency
Tunbridge Wells MP: Mike Martin (LD)
Country
England
Date first listed
24 August 1990
Type
Converted oasthouse
Address
Upper Postern Oast, Postern Lane, Capel, TN11 0QP
OS grid reference
TQ 614 460
Coordinates
51.19086, 0.30957
Source
Historic England listing

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

Description

Upper Postern Oast is a mid-to-late 19th-century oasthouse, converted around 1980. The exterior is predominantly red brick, though part of the stowage is timber-framed and weatherboarded, with a peg-tile roof. The oasthouse faces south onto Postern Lane and has an unusual double stowage arranged in an “H” shape. Two parallel stowage blocks are set a short distance apart and face onto the lane, connected by a central crosswing. There are two hop kilns at the left (west) end. All windows are 20th-century casements with glazing bars. The first-floor level of the stowage is mostly weatherboarded, and the roofs are hipped at both ends. The circular-section hop kilns have brick dentil eaves cornices and tall conical roofs with cowls. The interior was not inspected. The oasthouse is part of a group that includes the nearby Upper Postern Farmhouse and is situated on the crest of a low hill, playing an important role in the landscape. The surrounding area remains largely unspoiled, with most other buildings being historic and listed.

Local climate

Upper Postern Oast receives an average of 750 mm of rain a year. This makes it drier than 70% of listed buildings in the UK. Its exposure to wind-driven rain is lower than that of 58% of listed buildings.

It experiences an average of 30 freeze-thaw cycles a year, fewer than 63% of listed buildings. Of these, 14 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 — 1 transaction since 2014
  • 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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