Martello Tower No 7 is a Grade II listed building in the Folkestone and Hythe local planning authority area, England. First listed on 11 March 1975. Defensive tower.

Martello Tower No 7

WRENN ID
stark-quartz-ebony
Grade
II
Local Planning Authority
Folkestone and Hythe
Constituency
Folkestone and Hythe MP: Tony Vaughan (Lab)
Country
England
Date first listed
11 March 1975
Type
Defensive tower
Address
Martello Tower No 7, Sandgate
OS grid reference
TR 198 353
Coordinates
51.07491, 1.13729
Source
Historic England listing

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

Description

Martello Tower No 7 was built in 1806 as part of the coastal defenses. This circular tower is constructed of brick with walls that are 5½ feet to 6 feet thick. The cement coating has mostly peeled off. Inside, there is a central brick pillar with vaulted arches springing from it. The ground floor housed the magazine, while the upper level contained quarters for the garrison, divided into two rooms, with a gun emplacement on the roof. Surrounding the tower is a ditch with ramparts lined with ashlar, and there is a bridge. The tower features two chimneys, and the entrance door is approximately 20 feet above the ground.

Local climate

Martello Tower No 7 receives an average of 750 mm of rain a year. This makes it drier than 70% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 74% of listed buildings.

It experiences an average of 16 freeze-thaw cycles a year, fewer than 84% of listed buildings. Of these, 9 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
  • 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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