Hadrians Wall Milecastle and Turret is a Grade I listed building in the Northumberland National Park local planning authority area, England. First listed on 24 November 1967. A Roman Military/roman frontier structure.
Hadrians Wall Milecastle and Turret
- WRENN ID
- errant-balcony-stoat
- Grade
- I
- Local Planning Authority
- Northumberland National Park
- Constituency
- Hexham MP: Joe Morris (Lab)
- Country
- England
- Date first listed
- 24 November 1967
- Type
- Military/roman frontier structure
- Period
- Roman
- Address
- Hadrians Wall Milecastle and Turret, B 6318, Melkridge
- OS grid reference
- NY 730 670
- Coordinates
- 54.99771, -2.42218
- Source
- Historic England listing
Description
Hadrian's Wall milecastle 41 and turret 40B date from AD 122 and were reconstructed in AD 205. They feature a rubble core with dressed stone faces. The course of the wall runs west from near Green Slack to near Caw Gap, with several sections of wall masonry standing at approximately 5 metres high. This site is the only location of the milecastle and turret and is designated as a Scheduled Ancient Monument.
Local climate
Hadrians Wall Milecastle and Turret sits in a wetter-than-average part of the UK, with an average of 990 mm of rain a year. This makes it wetter than 80% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 63% of listed buildings.
It experiences an average of 57 freeze-thaw cycles a year, more than 96% of listed buildings. Of these, 36 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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