Railings at Approach to the Citadel North Entrance is a Grade II listed building in the Dorset local planning authority area, England. First listed on 17 May 1993. Railings.

Railings at Approach to the Citadel North Entrance

WRENN ID
open-porch-nettle
Grade
II
Local Planning Authority
Dorset
Constituency
South Dorset MP: Lloyd Hatton (Lab)
Country
England
Date first listed
17 May 1993
Type
Railings
Address
Railings at Approach to the Citadel North Entrance, Portland
OS grid reference
SY 690 738
Coordinates
50.56369, -2.43895
Source
Historic England listing

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

Description

The railings at the approach to The Citadel North Entrance in Portland were constructed around 1880. These cast iron railings extend approximately 130 meters along the east side of the approach road to the prison's North Entrance, curving to finish about 35 meters northwest of the entrance. The railings consist of 33 bays, each measuring about 3.7 meters. They feature bold standards that stand approximately 1.2 meters high, with a circular shape on a square base, topped with a block and crown that also includes a ball and spikes. Many of the top blocks display the initials "VR" in a sunk panel. There are two continuous horizontal rod rails with a diameter of about 500 millimeters, which include some 20th-century replacements. The railings are set against a concrete curb and are well-maintained, forming part of the original construction at The Verne. These railings are included for their group value.

Local climate

Railings at Approach to the Citadel North Entrance receives an average of 840 mm of rain a year. This makes it wetter than 55% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 77% of listed buildings.

It experiences an average of 13 freeze-thaw cycles a year, fewer than 88% of listed buildings. Of these, 5 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.

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  4. Cistern on Slopes of the Verne at Ngr Sy 6907 7344 Grade II 445 m
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  6. Nos 116 and 118 Including Front Garden Walls and Gatepiers Grade II 471 m
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  8. The Citadel, South West and South East Casemates Grade II* 488 m
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