Cob Wall and Outbuilding Approximately 30 Metres North of Bayllols Manor is a Grade II listed building in the Vale of White Horse local planning authority area, England. First listed on 24 November 1966. Wall and outbuilding.

Cob Wall and Outbuilding Approximately 30 Metres North of Bayllols Manor

WRENN ID
heavy-tallow-ridge
Grade
II
Local Planning Authority
Vale of White Horse
Constituency
Didcot and Wantage MP: Olly Glover (LD)
Country
England
Date first listed
24 November 1966
Type
Wall and outbuilding
OS grid reference
SU 491 893
Coordinates
51.60125, -1.29138
Source
Historic England listing

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

Description

The cob wall and outbuilding located approximately 30 metres north of Bayllols Manor in Harwell date back to the 18th century. The wall is constructed from cob, with some areas featuring stone rubble and brick patching, and has a thatched coping. It stands about 2 metres high and stretches for approximately 87 metres. Midway along the wall, there is an attached cob outbuilding that also has a thatched roof.

Local climate

Cob Wall and Outbuilding Approximately 30 Metres North of Bayllols Manor sits in a drier-than-average part of the UK, with an average of 730 mm of rain a year. This makes it drier than 79% of listed buildings in the UK. Its exposure to wind-driven rain is lower than that of 69% of listed buildings.

It experiences an average of 34 freeze-thaw cycles a year, more than 51% 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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  • No EPC on record for this property
  • 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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