Sparrows Herne Trust Turnpike Marker at Tq 1185 9553 is a Grade II listed building in the Watford local planning authority area, England. First listed on 8 March 1991. Marker.

Sparrows Herne Trust Turnpike Marker at Tq 1185 9553

WRENN ID
rough-cinder-peregrine
Grade
II
Local Planning Authority
Watford
Constituency
Watford MP: Matt Turmaine (Lab)
Country
England
Date first listed
8 March 1991
Type
Marker
Address
Sparrows Herne Trust Turnpike Marker at Tq 1185 9553, Lower High Street
OS grid reference
TQ 118 955
Coordinates
51.64746, -0.38477
Source
Historic England listing

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

Description

This is a turnpike road marker, likely from the early 19th century, created for the Sparrows Herne Trust. It is a cast-iron post approximately 0.6 meters high, featuring a square base and a round-faced upper part that displays the relief legend 'SPARROWS HERNE TRUST'. The Sparrows Herne Trust operated from 1762 to 1873, providing a route between London and Buckinghamshire through Watford and Tring. There is one other surviving marker located in Tring, Hertfordshire.

Local climate

Sparrows Herne Trust Turnpike Marker at Tq 1185 9553 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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  • Detailed attributes — period, style, materials, features
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