Old Furnace Level at Hopewell Colliery is a Grade II listed building in the Forest of Dean local planning authority area, England. First listed on 4 February 1998. Adit head.
Old Furnace Level at Hopewell Colliery
- WRENN ID
- white-chimney-grain
- Grade
- II
- Local Planning Authority
- Forest of Dean
- Constituency
- Forest of Dean MP: Matt Bishop (Lab)
- Country
- England
- Date first listed
- 4 February 1998
- Type
- Adit head
- Address
- Old Furnace Level at Hopewell Colliery, West Dean
- OS grid reference
- SO 605 115
- Coordinates
- 51.80096, -2.57395
- Source
- Historic England listing
Description
The Old Furnace Level at Hopewell Colliery is an adit head to coal measures, built between 1810 and 1820 by David Mushet. It features dressed stone and an elliptically vaulted tunnel, with stone revetments along the banks of the cutting at its entrance. Originally, there was a plateway through the tunnel accompanied by a drainage channel, but the floor is now covered in gravel. David Mushet (1772-1847) was a notable geologist, metallurgist, iron-master, and colliery owner who acquired the mine in the early 19th century. This adit head is a rare surviving early example in the Forest of Dean.
Local climate
Old Furnace Level at Hopewell Colliery receives an average of 800 mm of rain a year. This makes it drier than 55% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 52% of listed buildings.
It experiences an average of 41 freeze-thaw cycles a year, more than 78% of listed buildings. Of these, 18 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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