The Old Mansion is a Grade II listed building in the South Oxfordshire local planning authority area, England. First listed on 28 November 1985. House.
The Old Mansion
- WRENN ID
- sheer-gargoyle-furze
- Grade
- II
- Local Planning Authority
- South Oxfordshire
- Constituency
- Henley and Thame MP: Freddie van Mierlo (LD)
- Country
- England
- Date first listed
- 28 November 1985
- Type
- House
- Address
- The Old Mansion, Cottesmore Lane, Ewelme
- OS grid reference
- SU 634 921
- Coordinates
- 51.62468, -1.08416
- Source
- Historic England listing
Description
The Old Mansion is a house that likely dates from the late 17th century, with a front added in the 18th century. It is constructed of red brick with grey headers in Flemish bond and features an old plain-tile roof. The building has a brick ridge stack located to the left of the center and an end stack on the right. It is two stories high and has a four-window range. In the center, there is a French window with a 19th-century moulded stone surround. All openings have 3-light casements, except for a blind panel located to the first floor right of the center. The interior has not been inspected.
Local climate
The Old Mansion sits in a drier-than-average part of the UK, with an average of 720 mm of rain a year. This makes it drier than 82% of listed buildings in the UK. Its exposure to wind-driven rain is lower than that of 75% of listed buildings.
It experiences an average of 37 freeze-thaw cycles a year, more than 65% 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 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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