Bastion Behind No. 50 and Wall Attached is a Grade I listed building in the County Durham local planning authority area, England. First listed on 10 March 1988. A Late medieval Fortification.
Bastion Behind No. 50 and Wall Attached
- WRENN ID
- lost-garret-burdock
- Grade
- I
- Local Planning Authority
- County Durham
- Constituency
- City of Durham MP: Mary Kelly Foy (Lab)
- Country
- England
- Date first listed
- 10 March 1988
- Type
- Fortification
- Period
- Late medieval
- Address
- Bastion Behind No. 50 and Wall Attached, Saddler Street, City of Durham
- OS grid reference
- NZ 274 423
- Coordinates
- 54.77549, -1.57506
- Source
- Historic England listing
Description
The bastion behind No. 50 and the attached wall is a late medieval structure, likely part of the castle wall. It is constructed from coursed squared sandstone with ashlar dressings. The bastion stands two storeys high with a round north wall and features a high four-course chamfered plinth. There are stone side steps located behind No. 2 Owengate that lead to a first-floor door with a chamfered Tudor arch. The parapet above has sloped coping.
Inside, the bastion includes round-headed openings on three north faces and a chamfered Tudor arched door at the rear, which is set under a corbelled brick arch within the thickness of the wall.
Local climate
Bastion Behind No. 50 and Wall Attached receives an average of 790 mm of rain a year. This makes it drier than 58% of listed buildings in the UK. Its exposure to wind-driven rain is lower than that of 96% of listed buildings.
It experiences an average of 41 freeze-thaw cycles a year, more than 79% of listed buildings. Of these, 24 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.
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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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