Martello Tower No 9 is a Grade II listed building in the Folkestone and Hythe local planning authority area, England. First listed on 11 March 1975. Military fortification.
Martello Tower No 9
- WRENN ID
- odd-rampart-wax
- 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
- Military fortification
- Address
- Martello Tower No 9, Sandgate
- OS grid reference
- TR 190 351
- Coordinates
- 51.07385, 1.12518
- Source
- Historic England listing
Description
Martello Tower No 9 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. Most of the cement coating has peeled off. Inside, there is a central brick pillar with vaulted arches springing from it. The ground floor contains a tile magazine, while the upper level has quarters for the garrison, divided into two rooms, along with a gun emplacement on the roof. Surrounding the tower is a ditch with ramparts lined with ashlar. The doors are located about 20 feet above the ground.
Local climate
Martello Tower No 9 receives an average of 750 mm of rain a year. This makes it drier than 69% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 76% of listed buildings.
It experiences an average of 17 freeze-thaw cycles a year, fewer than 83% 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.
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- No EPC on record for this property
- No sale records on file
- 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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