Hm Young Offender Institution, Overseer's Hut with Inclines is a Grade II listed building in the Dorset local planning authority area, England. First listed on 17 May 1993. Institution. 6 related planning applications.
Hm Young Offender Institution, Overseer's Hut with Inclines
- WRENN ID
- shifting-wall-fern
- Grade
- II
- Local Planning Authority
- Dorset
- Constituency
- South Dorset MP: Lloyd Hatton (Lab)
- Country
- England
- Date first listed
- 17 May 1993
- Type
- Institution
- Address
- Hm Young Offender Institution, Overseer's Hut with Inclines, the Grove, Portland, DT5 1DL
- OS grid reference
- SY 701 724
- Coordinates
- 50.5506, -2.42219
- Source
- Historic England listing
Description
The Overseer's Hut at HM Young Offender Institution was built around 1848 and is constructed from Portland stone ashlar, including the roof. This small building is set into a slope to the south and faces north, directly opposite the entrance through the northern boundary wall. It features a semi-octagonal front with a central 19th-century plank door that has a segmental head, flanked by single deep-set casement windows on the canted sides. The steeply pitched roof is made of solid stone overlapping slabs, and above the door, there is a small stone gablet that projects from the semi-octagonal hipped roof. The rear of the hut is plain and partly embedded in the bank. On either side, there are approach inclines made from large Portland stone setts, with stone gutter sections on the northern side. The interior has not been seen. This hut was designed for overseeing the activities of prisoners as they entered and exited through the doorway in the northern wall, which is aligned on the central axis of the entire complex leading to the main gate to the south.
Local climate
Hm Young Offender Institution, Overseer's Hut with Inclines receives an average of 840 mm of rain a year. This makes it wetter than 55% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 77% of listed buildings.
It experiences an average of 13 freeze-thaw cycles a year, fewer than 88% of listed buildings. Of these, 5 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
- Related listed building consents — 6 applications
- 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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