Fort Clarence is a Grade II listed building in the Medway local planning authority area, England. First listed on 19 February 1970. A C19 Fort.

Fort Clarence

WRENN ID
deep-turret-indigo
Grade
II
Local Planning Authority
Medway
Constituency
Rochester and Strood MP: Lauren Edwards (Lab)
Country
England
Date first listed
19 February 1970
Type
Fort
Address
Fort Clarence, Borstal Road
OS grid reference
TQ 739 676
Coordinates
51.38156, 0.49758
Source
Historic England listing

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

Description

Fort Clarence is a fort built in 1812, part of the anti-Napoleonic defenses of the Medway towns. It is constructed of stock brick with limestone dressings and is surrounded, where not infilled, by a deep revetted ditch. The fort has three storeys and a basement, featuring corner circular turrets with moulded limestone cornice bands. On the road entrance side, there are three massive stylized machicoulis made of limestone. The fort's plan is brick with relieving arches over two levels of deep embrasures, mostly featuring very shallow arches, although those on the entrance front are round-headed. The interior has not been inspected, and the plan and internal arrangement are not known.

Local climate

Fort Clarence sits in a drier-than-average part of the UK, with an average of 720 mm of rain a year. This makes it drier than 84% of listed buildings in the UK. Its exposure to wind-driven rain is lower than that of 74% of listed buildings.

It experiences an average of 23 freeze-thaw cycles a year, fewer than 76% of listed buildings. Of these, 11 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
  • Sale history — 11 transactions since 2004
  • 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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