Watford Tunnel, South Entrance to West Tunnel is a Grade II listed building in the Watford local planning authority area, England. First listed on 7 January 1983. Tunnel entrance.
Watford Tunnel, South Entrance to West Tunnel
- WRENN ID
- last-column-nightshade
- Grade
- II
- Local Planning Authority
- Watford
- Constituency
- Watford MP: Matt Turmaine (Lab)
- Country
- England
- Date first listed
- 7 January 1983
- Type
- Tunnel entrance
- OS grid reference
- TQ 099 986
- Coordinates
- 51.67559, -0.41136
- Source
- Historic England listing
Description
The Watford Tunnel, south entrance to the west tunnel, is a Grade II listed structure built in 1837 as part of the original tunnel for the London-Birmingham Railway, designed by engineer Robert Stephenson. The entrance features a round-headed archway with a classical facade, channelled rustication, moulded imposts, and a heavy dentil cornice topped with a plain pediment. The side abutments are made of brick and also have a dentil cornice extending over them. The tunnel itself is over a mile long, and it is noted that ten men lost their lives during its construction.
Local climate
Watford Tunnel, South Entrance to West Tunnel sits in a drier-than-average part of the UK, with an average of 710 mm of rain a year. This makes it drier than 86% of listed buildings in the UK. Its exposure to wind-driven rain is lower than that of 85% of listed buildings.
It experiences an average of 31 freeze-thaw cycles a year, fewer than 61% 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.
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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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