Milford Tunnel North Portal (SPC 8 21) is a Grade II* listed building in the Amber Valley local planning authority area, England. First listed on 13 December 1979. Tunnel portal.
Milford Tunnel North Portal (SPC 8 21)
- WRENN ID
- lesser-flue-merlin
- Grade
- II*
- Local Planning Authority
- Amber Valley
- Constituency
- Mid Derbyshire MP: Jonathan Davies (Lab)
- Country
- England
- Date first listed
- 13 December 1979
- Type
- Tunnel portal
- OS grid reference
- SK 346 454
- Coordinates
- 53.00531, -1.48577
- Source
- Historic England listing
Description
The Milford Tunnel North Portal is a tunnel entrance built around 1838 to 1840 on the North Midland Railway by George and Robert Stephenson, along with their Assistant Engineer Frederick Swanwick.
Constructed from Derbyshire gritstone, the portal features an ashlar design surrounded by rubble-work walling. It is located in a cutting and has a true horseshoe arch made up of seven ashlar rings. The first ring is concave and has a flat return to the outer edge. The remaining rings are semi-circular, starting from outwardly-angled plinths with simple impost mouldings. The middle five rings step out along the imposts in the following sequence: convex, convex, concave, convex, and flat. The outermost ring is concave, also with a flat return to the outside edge. Surrounding the portal is a rubble stone retaining wall.
Local climate
Milford Tunnel North Portal (SPC 8 21) receives an average of 780 mm of rain a year. This makes it drier than 60% of listed buildings in the UK. Its exposure to wind-driven rain is lower than that of 67% of listed buildings.
It experiences an average of 38 freeze-thaw cycles a year, more than 74% of listed buildings. Of these, 19 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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