Bastion 11 is a Grade I listed building in the Oxford local planning authority area, England. First listed on 12 January 1954. A C15 Bastion.
Bastion 11
- WRENN ID
- over-sandstone-equinox
- Grade
- I
- Local Planning Authority
- Oxford
- Constituency
- Oxford West and Abingdon MP: Layla Moran (LD)
- Country
- England
- Date first listed
- 12 January 1954
- Type
- Bastion
- OS grid reference
- SP 517 064
- Coordinates
- 51.75449, -1.25147
- Source
- Historic England listing
Description
Bastion 11 is a section of the city wall built in 1485, located in New College. It remains largely intact.
Local climate
Bastion 11 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 77% of listed buildings in the UK. Its exposure to wind-driven rain is lower than that of 70% of listed buildings.
It experiences an average of 34 freeze-thaw cycles a year, more than 50% 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
- 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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Nearby listed buildings
- New College, North Range Hall, Kitchen and Chapel, Great Quadrangle
- Wall to East of Bastion 11
- Wall to East of Bell Tower
- New College, New Buildings
- New College, East Range, Great Quadrangle
- Bastion 12 in New College
- New College, North Range
- 18, Holywell Street
- 17, Holywell Street
- 68, Holywell Street