Bastion I is a Grade I listed building in the Oxford local planning authority area, England. First listed on 12 January 1954. A Medieval Bastion. 1 related planning application.

Bastion I

WRENN ID
gilded-terrace-nightshade
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
Period
Medieval
Address
Bastion I, New Inn Hall Street, OX1 2DL
OS grid reference
SP 510 063
Coordinates
51.75311, -1.26139
Source
Historic England listing

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

Description

Bastion I is a historic structure located between Bulwark Lane and New Inn Hall Street, dating back to 1485. The lower part of the bastion is medieval in origin and features windows that likely date from the 17th century.

Local climate

Bastion I 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
  • Related listed building consents — 1 application
  • 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

  1. Wall, East of Bastion I Grade I 21 m
  2. College for Further Education Grade II 26 m
  3. Wall, West of Bastion I Grade I 32 m
  4. Wesley Memorial Methodist Church Grade II 41 m
  5. Screen and Gates of the College for Further Education Grade II 45 m
  6. St Peters College, Linton House Grade II 59 m
  7. 34 and 36, St Michaels Street Grade II 59 m
  8. Bastion 2 Grade II 71 m
  9. St Peters College, Emily Morris Building St Peters College, Rowcroft Building Grade II 71 m
  10. 17 and 19, St Michaels Street Grade II 75 m