Oast House and Drying Shed to North of Portlands and Attached Walls to South and East of Oast is a Grade II listed building in the Bromley local planning authority area, England. First listed on 16 January 1975. Oast house, drying shed.
Oast House and Drying Shed to North of Portlands and Attached Walls to South and East of Oast
- WRENN ID
- scattered-portal-dawn
- Grade
- II
- Local Planning Authority
- Bromley
- Constituency
- Sevenoaks MP: Laura Trott (Con)
- Country
- England
- Date first listed
- 16 January 1975
- Type
- Oast house, drying shed
- Address
- Oast House and Drying Shed to North of Portlands and Attached Walls to South and East of Oast, Cudham Lane South, Knockholt, Sevenoaks
- OS grid reference
- TQ 453 582
- Coordinates
- 51.30472, 0.08356
- Source
- Historic England listing
Description
The building is an early to mid-19th century single oast house with an attached drying shed, located to the north of Portlands. The drying shed is now used as a stable. The structure is built of flint rubble, featuring brick lacing bands, alternating block quoins, and flat pilasters. There is a loading door under the gable on the right side and a flat dormer on the left. The ground floor windows are semi-circular with radial bars, set under gauged brick arches. The cowl is missing from the oast, and double doors have been inserted on the ground floor. A curved flight of steps leads up the side of the oast, connecting with a wall made of brick and flint that runs along the road front. A similar wall extends from the southeast corner of the former drying shed, enclosing the yard to the east and north. The oast house, drying shed, attached walls, stable buildings, and Portlands Cottage together form a cohesive group.
Local climate
Oast House and Drying Shed to North of Portlands and Attached Walls to South and East of 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 71% of listed buildings.
It experiences an average of 37 freeze-thaw cycles a year, more than 67% of listed buildings. Of these, 18 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
- No sale records on file
- No related consent applications matched
- 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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