Nash Mills Railway Bridge is a Grade II listed building in the Three Rivers local planning authority area, England. First listed on 3 October 1985. Bridge. 1 related planning application.
Nash Mills Railway Bridge
- WRENN ID
- late-roof-ebony
- Grade
- II
- Local Planning Authority
- Three Rivers
- Constituency
- South West Hertfordshire MP: Mr Gagan Mohindra (Con)
- Country
- England
- Date first listed
- 3 October 1985
- Type
- Bridge
- Address
- Nash Mills Railway Bridge, Grand Union Canal, Abbots Langley
- OS grid reference
- TL 071 040
- Coordinates
- 51.72451, -0.44981
- Source
- Historic England listing
Description
Nash Mills Railway Bridge is a bridge that carries a railway over the Grand Union Canal. It was built in 1837 and altered in the 20th century. The engineer was Robert Stephenson, working for the London and Birmingham Railway. Originally an iron bridge, it was reinforced with concrete in the 20th century. The bridge features a skew segmental arch that spans about 20 meters and is 25 meters deep, supported by six iron ribs, with some of the original iron visible in the spandrels. There is a band below the rebuilt parapet, and the bridge has impost blocks on the splayed brick abutments. It also includes battered brick pilasters topped with stone capitals. The western half of the bridge is listed in King's Langley civil parish in Dacorum Borough.
Local climate
Nash Mills Railway Bridge 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.
More on this building
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- No EPC on record for this property
- No sale records on file
- Related listed building consents — 1 application
- 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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