Observation post at SZ 02444 83802 is a Grade II listed building in the Dorset local planning authority area, England. First listed on 30 November 2012. Observation post.

Observation post at SZ 02444 83802

WRENN ID
stony-latch-frost
Grade
II
Local Planning Authority
Dorset
Constituency
South Dorset MP: Lloyd Hatton (Lab)
Country
England
Date first listed
30 November 2012
Type
Observation post
OS grid reference
SZ 024 838
Coordinates
50.65389, -1.96678
Source
Historic England listing

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

Description

The observation post is a Grade II listed structure built into the hillside near the summit. Constructed of reinforced concrete and concrete blockwork, it has a rectangular plan measuring 2.2 meters by 2.4 meters and faces south. The front half of the building features a sloping roof, and there is a covered entrance on the north-west elevation. The angled front (south-west) elevation includes three horizontal embrasures or observation slots, which have concrete lintels and are positioned close to the current ground level. These slots were designed to be sealed with concrete blocks stored inside the building, one of which still has its iron handles.

Local climate

Observation post at SZ 02444 83802 receives an average of 820 mm of rain a year. This makes it wetter than 51% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 84% of listed buildings.

It experiences an average of 7 freeze-thaw cycles a year, fewer than 95% of listed buildings. Of these, 3 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
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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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