Rear Revetment Wall S is a Grade II listed building in the Caerphilly local planning authority area, Wales. First listed on 29 January 1999. Wall.

Rear Revetment Wall S

WRENN ID
young-outpost-pine
Grade
II
Local Planning Authority
Caerphilly
Constituency
Newport West and Islwyn MP: Ruth Jones (Lab)
Country
Wales
Date first listed
29 January 1999
Type
Wall
Address
Rear Revetment Wall S, Navigation Colliery Crumlin, Crumlin
OS grid reference
ST 211 986
Coordinates
51.6815, -3.1419
Source
Cadw listing

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

Description

The rear revetment wall is a high structure made of red engineering brick, built on a concrete base. It extends behind the former office and creates a terrace in front of the main entrance, which faces the approach from Crumlin. The wall continues into the rock that is located behind other buildings on the main terrace.

Local climate

Rear Revetment Wall S sits in a wetter-than-average part of the UK, with an average of 1,020 mm of rain a year. This makes it wetter than 81% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 75% of listed buildings.

It experiences an average of 43 freeze-thaw cycles a year, more than 81% 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
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  • 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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Nearby listed buildings

  1. Former Navigation Colliery Offices Grade II 26 m
  2. Former Navigation Colliery South Winding Engine House Grade II* 42 m
  3. Former Navigation Colliery Fan House and Fan Drift Grade II* 52 m
  4. Former Navigation Colliery Lamp Room Grade II 85 m
  5. Former Navigation Colliery Chimney Grade II* 100 m
  6. Viaduct Cottage Grade II 133 m
  7. Former Navigation Colliery Workshops and Stores Grade II 143 m
  8. Former Navigation Colliery North Winding Engine House Grade II* 149 m
  9. Former Navigation Colliery Power House and Pump House Grade II* 164 m
  10. Former Navigation Colliery Heapstead and Main Revetment Wall Grade II 168 m