Coal Duty Boundary Post Outside the Lodge on East Side of Road is a Grade II listed building in the Three Rivers local planning authority area, England. First listed on 25 May 1983. Boundary_post.

Coal Duty Boundary Post Outside the Lodge on East Side of Road

WRENN ID
distant-span-falcon
Grade
II
Local Planning Authority
Three Rivers
Constituency
South West Hertfordshire MP: Mr Gagan Mohindra (Con)
Country
England
Date first listed
25 May 1983
Type
Boundary_post
Address
Coal Duty Boundary Post Outside the Lodge on East Side of Road, Potter Street Hill, Watford Rural
OS grid reference
TQ 106 916
Coordinates
51.6132, -0.40386
Source
Historic England listing

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

Description

The Coal Duty Boundary Post, located outside The Lodge on the east side of the road, dates from the mid-19th century. This cast-iron post marks the boundary of an area that is subject to Coal Duty.

Local climate

Coal Duty Boundary Post Outside the Lodge on East Side 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 sale records on file
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  • 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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