Engine House at the former Nant Lead-mine is a Grade II listed building in the Denbighshire local planning authority area, Wales. First listed on 11 May 1979. Beam-engine house.
Engine House at the former Nant Lead-mine
- WRENN ID
- proud-pilaster-wren
- Grade
- II
- Local Planning Authority
- Denbighshire
- Constituency
- Clwyd East MP: Becky Gittins (Lab)
- Country
- Wales
- Date first listed
- 11 May 1979
- Type
- Beam-engine house
- Address
- Engine House at the former Nant Lead-mine, Ruthin, Llanarmon-Yn-Ial
- OS grid reference
- SJ 197 577
- Coordinates
- 53.1108, -3.19995
- Source
- Cadw listing
Description
The Engine House at the former Nant Lead-mine is a large rectangular structure, measuring approximately 20 by 28 feet (6 meters by 8.5 meters) at its highest point. The building features battered limestone walls that rise about 40 feet (12 meters) and include squared quoins. The roof is missing.
On the southern elevation, there is a blocked round-headed opening made with voussoirs of dressed sandstone and a dated keystone, which is now overgrown. Additionally, there is a blocked entrance shaft located to the south of this elevation. The eastern side has a tall blocked opening with a timber lintel at the center and a tall narrow ground floor opening to the left, also with a timber lintel. There are remains of a central opening at the top.
The northern side features a blocked window with a timber lintel on the first floor and a blocked broad brick arch at ground level. The western side has a blocked ground floor opening to the right, a blocked first floor opening, and remains of a second floor opening.
The building was once plastered and includes a blocked arch with cut-stone voussoirs on the southern side. The northern side has a tall blocked brick arch, with a blocked square-headed opening on the first floor and a blocked second floor brick-arched opening. There is also a blocked opening at ground level on the western side. Inside, there are beam holes for two main beams.
Local climate
Engine House at the former Nant Lead-mine receives an average of 920 mm of rain a year. This makes it wetter than 70% of listed buildings in the UK. Its exposure to wind-driven rain is lower than that of 75% of listed buildings.
It experiences an average of 37 freeze-thaw cycles a year, more than 69% of listed buildings. Of these, 20 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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