Former Main Magazine is a Grade II listed building in the Pembrokeshire local planning authority area, Wales. First listed on 18 February 1994. Military structure.
Former Main Magazine
- WRENN ID
- first-flue-gold
- Grade
- II
- Local Planning Authority
- Pembrokeshire
- Constituency
- Mid and South Pembrokeshire MP: Henry Tufnell (Lab)
- Country
- Wales
- Date first listed
- 18 February 1994
- Type
- Military structure
- Address
- Former Main Magazine, Pembroke Dock
- OS grid reference
- SM 971 042
- Coordinates
- 51.70039, -4.9364
- Source
- Cadw listing
Description
The Former Main Magazine is a 19th-century building constructed from brown tooled squared stone with grey limestone flush dressings. It features a twin-gabled north front with coped gables, grey stone quoins, and moulded corbels at the high shoulders on each side. There is one window located above lean-to porches, and the side walls have loops. The building is topped with slate roofs.
Inside, there are two brick-vaulted chambers that still have some dividing walls, showcasing high and impressive arched vaults. The surrounding wall is made of grey limestone rubble and is coped, featuring a cambered arched north doorway that is rebated for missing doors, with a datestone above. Within the enclosure, at the northeast and northwest corners, are two additional brick-vaulted chambers with stone-framed doors and windows, and quadripartite vaults.
This building is fireproof and was constructed into the excavated hillside, with an embanked path in front to protect against blasts. It served as the main magazine for the barracks. The structure is currently in poor condition.
Local climate
Former Main Magazine sits in a wetter-than-average part of the UK, with an average of 1,160 mm of rain a year. This makes it wetter than 89% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 98% of listed buildings.
It experiences an average of 3 freeze-thaw cycles a year, fewer than 99% of listed buildings. Of these, 1 follows 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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