London coal duty marker on east side of Broad Colney Bridge is a Grade II listed building in the St Albans local planning authority area, England. Marker.
London coal duty marker on east side of Broad Colney Bridge
- WRENN ID
- stony-stone-sparrow
- Grade
- II
- Local Planning Authority
- St Albans
- Constituency
- St Albans MP: Daisy Cooper (LD)
- Country
- England
- Type
- Marker
- Address
- London coal duty marker on east side of Broad Colney Bridge, Shenley Lane
- OS grid reference
- TL 175 032
- Coordinates
- 51.71535, -0.29971
- Source
- Historic England listing
Description
The London coal duty marker, located on the east side of Broad Colney Bridge, was erected between 1861 and 1862 to indicate the limit of coal duty in the London area. This cast iron post is painted white and was originally one and a half metres high, although it is now partly submerged in the ground. It has a square plan with chamfered corners and features roll mouldings from the capital. The front face of the capital displays the arms of the City of London, while raised lettering on the front face of the pier reads '24 VICT'. The marker was cast by Henry Grissell iron works at Regents Canal, London.
Local climate
London coal duty marker on east side of Broad Colney 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 89% of listed buildings in the UK. Its exposure to wind-driven rain is lower than that of 87% 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
- 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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