Pen-Rhos Engine House is a Grade II* listed building in the Wrexham local planning authority area, Wales. First listed on 1 December 1995. House.

Pen-Rhos Engine House

WRENN ID
grey-garret-bramble
Grade
II*
Local Planning Authority
Wrexham
Constituency
Wrexham MP: Andrew Ranger (Lab)
Country
Wales
Date first listed
1 December 1995
Type
House
Address
Pen-Rhos Engine House, Brymbo
OS grid reference
SJ 285 532
Coordinates
53.07148, -3.06758
Source
Cadw listing

Also on this page: flood risk · radon risk · weather exposure · detailed attributes ↓

Description

Pen-Rhos Engine House is a tall beam engine house with battered walls made of rough rubble, featuring dressed stone quoins and dressings. The building is roofless but has moulded kneelers at the gable copings and brick stacks on both gable ends, which were added when the structure was converted into a dwelling. There is a beam arch high in the south gable's bob-wall, which is partially blocked to create a domestic window; this arch is semi-circular and made with dressed stone voussoirs. A small doorway is located to the lower right of this gable. Additionally, there are remains of what may have been a square stack to the east.

Local climate

Pen-Rhos Engine House receives an average of 900 mm of rain a year. This makes it wetter than 67% of listed buildings in the UK. Its exposure to wind-driven rain is lower than that of 87% of listed buildings.

It experiences an average of 36 freeze-thaw cycles a year, more than 61% of listed buildings. Of these, 19 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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Nearby listed buildings

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  2. Stone Chimney at Pentre Saeson Foundry Grade II 710 m
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  4. Former Agent's House at site of Brymbo Ironworks Grade II* 932 m
  5. Bryn Seion Chapel Grade II 1.4 km
  6. Church of Saint Mary Grade II 1.4 km
  7. Ffrith Hall Grade II 1.6 km
  8. Llydiart Fanny Farmhouse Grade II 1.7 km
  9. Former Plas Power Colliery Power House Grade II 1.8 km
  10. Former Plas power Colliery Workshops Grade II 1.9 km