A pair of Tett Turrets is a Grade II listed building in the King0s Lynn and West Norfolk local planning authority area, England. First listed on 13 June 2017. Military structure.
A pair of Tett Turrets
- WRENN ID
- gilded-spindle-ivy
- Grade
- II
- Local Planning Authority
- King0s Lynn and West Norfolk
- Constituency
- North West Norfolk MP: James Wild (Con)
- Country
- England
- Date first listed
- 13 June 2017
- Type
- Military structure
- OS grid reference
- TF 766 370
- Coordinates
- 52.90206, 0.62551
- Source
- Historic England listing
Description
This listing describes a pair of Tett Turrets, which are small military structures built partially below ground. They were designed to provide a protected gun position for a single occupant and feature a rotating cap section that allows for a 360-degree field of fire.
The turrets are made of pre-manufactured reinforced concrete mounted on brick walls. They are arranged in what is thought to be a unique configuration, aligned north-south and linked by a 12-foot long narrow circular tunnel. There is also a short branch tunnel at the center of the linking tunnel that extends westwards, likely providing access to the turrets from a trench at the rear of the site.
The exterior of the turrets consists of low rotating concrete truncated cones, each with a single gun embrasure and several spy holes or slits. These cones are mounted on ball-bearing races, allowing them to be turned. The turret cones rest on concrete slabs supported by rectangular brickwork enclosures. The southern enclosure features an opening in its south side wall.
Inside, the turrets retain steel seat hangars for wooden seats, with one seat believed to still be in place as of 2016.
Local climate
A pair of Tett Turrets receives an average of 830 mm of rain a year. This makes it wetter than 54% 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 9 freeze-thaw cycles a year, fewer than 91% of listed buildings. Of these, 6 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
- 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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