The Old Prison, including forecourt walls and gatepiers is a Grade II listed building in the Denbighshire local planning authority area, Wales. First listed on 20 July 2000. Prison.
The Old Prison, including forecourt walls and gatepiers
- WRENN ID
- old-bailey-sunrise
- Grade
- II
- Local Planning Authority
- Denbighshire
- Constituency
- Clwyd North MP: Gill German (Lab)
- Country
- Wales
- Date first listed
- 20 July 2000
- Type
- Prison
- Address
- The Old Prison, including forecourt walls and gatepiers, Denbigh - Town, Denbigh
- OS grid reference
- SJ 050 659
- Coordinates
- 53.18195, -3.42252
- Source
- Cadw listing
Description
The Old Prison is a former prison building consisting of three sections. It features two two-storey sections on the left and in the center, with the central bay being slightly advanced and topped with a pediment. There is also a single-storey section on the right. The building is constructed from squared limestone blocks, with the quoins and the central bay having a rock-faced finish. The roofs are slate with tiled ridges, and all sections except the right-hand bay have parapets. A stone lateral chimney with moulded cornicing and plain banding is located on the central bay.
The central bay has an entrance on the left with a recessed, part-glazed 20th-century door. To the right of this entrance is a window featuring a plain late Victorian sash, along with a small rectangular niche between the two openings. The first floor has two additional sash windows. Throughout the building, there are rusticated lintels and projecting stone sills, as well as a plain projecting string course between the floors that returns onto the recessed left-hand bay. The pediment is plain, with a projecting cornice band and parapet that also returns as described. The left bay contains plain sashes with flat lintels and sills, while the right-hand bay has two similar windows.
The interior was not inspected during the survey.
Local climate
The Old Prison, including forecourt walls and gatepiers sits in a wetter-than-average part of the UK, with an average of 960 mm of rain a year. This makes it wetter than 75% of listed buildings in the UK. Its exposure to wind-driven rain is lower than that of 59% of listed buildings.
It experiences an average of 28 freeze-thaw cycles a year, fewer than 68% of listed buildings. Of these, 15 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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