Porthkerry Railway Viaduct (partly in the community of Rhoose) is a Grade II listed building in the Vale of Glamorgan local planning authority area, Wales. First listed on 28 January 1963. Railway viaduct.

Porthkerry Railway Viaduct (partly in the community of Rhoose)

WRENN ID
hallowed-moulding-twilight
Grade
II
Local Planning Authority
Vale of Glamorgan
Constituency
Vale of Glamorgan MP: Kanishka Narayan (Lab)
Country
Wales
Date first listed
28 January 1963
Type
Railway viaduct
Address
Porthkerry Railway Viaduct (partly in the community of Rhoose), Porthkerry Park, Barry
OS grid reference
ST 084 668
Coordinates
51.39337, -3.31794
Source
Cadw listing

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

Description

The Porthkerry Railway Viaduct, located partly in the community of Rhoose, is constructed of grey stone with brick dressings. It features irregular spans leading to round arches and tall, tapering stone piers with plinths of varying heights. The brick arches reach a maximum height of approximately 30 metres, and the structure is topped with a stone parapet that includes corbelled buttresses.

Local climate

Porthkerry Railway Viaduct (partly in the community of Rhoose) 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 92% of listed buildings.

It experiences an average of 17 freeze-thaw cycles a year, fewer than 83% of listed buildings. Of these, 6 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.

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Nearby listed buildings

  1. Porthkerry Railway Viaduct (partly in the Barry community) Grade II 49 m
  2. Outbuilding to north of Church Farmhouse Grade II* 278 m
  3. Church Farmhouse (aka Glebe Farm) Grade II* 285 m
  4. Church of St Curig Grade II* 300 m
  5. Cross in the Churchyard of the Church of St Curig Grade II 304 m
  6. The Old School House Grade II 312 m
  7. Upper Porthkerry Farmhouse Grade II 701 m
  8. Lower Porthkerry Farmhouse Grade II 745 m
  9. The Coachhouse, Cwm-cidy Farm Grade II 1.4 km
  10. Ty-crwn, Cwm-cidy Farm Grade II 1.4 km