Former Hall's tramroad and railway tunnel E portal is a Grade II listed building in the Caerphilly local planning authority area, Wales. First listed on 17 March 1999. Tunnel.

Former Hall's tramroad and railway tunnel E portal

WRENN ID
quartered-spindle-sable
Grade
II
Local Planning Authority
Caerphilly
Constituency
Newport West and Islwyn MP: Ruth Jones (Lab)
Country
Wales
Date first listed
17 March 1999
Type
Tunnel
Address
Former Hall's tramroad and railway tunnel E portal, Pentwyn-Mawr, Newbridge
OS grid reference
ST 197 963
Coordinates
51.66051, -3.16101
Source
Cadw listing

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

Description

The former Hall's tramroad and railway tunnel's eastern portal is constructed from snecked rockfaced stone, topped with flat stone coping. The portal features a round arch made of three courses of red and blue brick headers, with tooled arises on the jambs. The entrance is gated.

Local climate

Former Hall's tramroad and railway tunnel E portal sits in a wetter-than-average part of the UK, with an average of 1,090 mm of rain a year. This makes it wetter than 87% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 79% of listed buildings.

It experiences an average of 44 freeze-thaw cycles a year, more than 85% of listed buildings. Of these, 21 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

Sign in or create a free account to unlock:

  • 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
Create free account

Matched applications, energy data and sale records are assembled automatically and may contain errors. Flag incorrect data.

Similar buildings

The closest matches to this building from all 493,000 UK listed buildings, by architecture, period and materials.

See all similar buildings →

this building   1 similar   nearby listed buildings

Nearby listed buildings

  1. Former Hall's tramroad and railway tunnel W portal Grade II 215 m
  2. Preswylfa Grade II 504 m
  3. Pentwyn-isaf Grade II 790 m
  4. Cwmdows Farmhouse Grade II* 872 m
  5. Church of St Paul Grade II 1.0 km
  6. Celynen Collieries Workmen's Memorial Hall, including forecourt wall and gates Grade II* 1.0 km
  7. Celynen Collieries Workmen's Institute Grade II 1.0 km
  8. Cwmbrynar aka Cwmbraenar Cottage Grade II 1.1 km
  9. Former School Room, New Bethel, and attached wall Grade II 1.1 km
  10. Nicholas monument at New Bethel Grade II 1.1 km