Subway Under Railway is a Grade II listed building in the Neath Port Talbot local planning authority area, Wales. First listed on 5 January 1989. House.
Subway Under Railway
- WRENN ID
- final-corner-marsh
- Grade
- II
- Local Planning Authority
- Neath Port Talbot
- Constituency
- Neath and Swansea East MP: Carolyn Harris (Lab)
- Country
- Wales
- Date first listed
- 5 January 1989
- Type
- House
- OS grid reference
- SS 751 975
- Coordinates
- 51.66279, -3.80714
- Source
- Cadw listing
Description
The structure is a subway located under a railway, designated as Grade II. It features a splayed entrance to Commercial Street, with ramped retaining walls made of squared coursed stonework topped with stone caps. The subway has a segmental arch constructed with stone voussoirs and a stressed keystone. Above the arch, there is a vermiculated band of stone blocks and a parapet with stressed quoins and stone caps. Inside, the passageway is vaulted and whitewashed. There is a similar entrance on Maes-yr-Haf Road, which has a taller parapet and later tile capping, but lacks retaining walls.
Local climate
Subway Under Railway sits in one of the wettest parts of the UK, with an average of 1,380 mm of rain a year. This makes it wetter than 97% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 96% of listed buildings.
It experiences an average of 28 freeze-thaw cycles a year, fewer than 69% of listed buildings. Of these, 12 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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