Coal Duty Marker at Tl 3684 0514 SW is a Grade II listed building in the Broxbourne local planning authority area, England. First listed on 13 June 1994. Marker.

Coal Duty Marker at Tl 3684 0514 SW

WRENN ID
empty-beam-torch
Grade
II
Local Planning Authority
Broxbourne
Constituency
Broxbourne MP: Lewis Cocking (Con)
Country
England
Date first listed
13 June 1994
Type
Marker
OS grid reference
TL 368 051
Coordinates
51.72829, -0.02003
Source
Historic England listing

Also on this page: flood risk · radon risk · weather exposure · detailed attributes ↓

Description

The Coal Duty Marker is a stone obelisk dating from around 1861, designed to mark the boundary of the area where London coal duty was charged. It stands 3 metres high with a tapered shaft that is broken at the top, rising from a wider tapered base. The east face of the base features the inscription '14 & 15 VIC C 146'. Additionally, the east face of the shaft displays the crest of the City of London, which is a quartered shield with a dagger in the north-west quarter.

Local climate

Coal Duty Marker at Tl 3684 0514 SW sits in one of the driest parts of the UK, with an average of 690 mm of rain a year. This makes it drier than 97% of listed buildings in the UK. Its exposure to wind-driven rain is lower than that of 98% of listed buildings.

It experiences an average of 31 freeze-thaw cycles a year, fewer than 63% of listed buildings. Of these, 14 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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