London Coal Duty Marker on county boundary on bank on east side of railway about 350 metres south of road is a Grade II listed building in the Hillingdon local planning authority area, England. First listed on 3 October 1985. Marker.
London Coal Duty Marker on county boundary on bank on east side of railway about 350 metres south of road
- WRENN ID
- tattered-gravel-swift
- Grade
- II
- Local Planning Authority
- Hillingdon
- Constituency
- Ruislip, Northwood and Pinner MP: David Simmonds (Con)
- Country
- England
- Date first listed
- 3 October 1985
- Type
- Marker
- OS grid reference
- TQ 091 920
- Coordinates
- 51.61686, -0.42449
- Source
- Historic England listing
Description
The London Coal Duty Marker is located on the county boundary, on a bank on the east side of the railway, approximately 350 metres south of the road. This marker, which dates from around 1887, was cast by Falkirk Iron Co. Ltd. It features a square stone base with a chamfered top that supports a cast-iron square with four open panels and a moulded cornice. Above this cornice rises a short obelisk, making the entire structure stand between one and a half to two metres high. The marker indicates the extent of coal duty, which originally had a 20-mile radius from the General Post Office, but was moved in 1861 to its current location on the boundary of the Metropolitan Police District.
Local climate
London Coal Duty Marker on county boundary on bank on east side of railway about 350 metres south of road sits in one of the driest parts of the UK, with an average of 700 mm of rain a year. This makes it drier than 93% of listed buildings in the UK. Its exposure to wind-driven rain is lower than that of 91% of listed buildings.
It experiences an average of 30 freeze-thaw cycles a year, fewer than 65% of listed buildings. Of these, 13 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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