Castle Bridge is a Grade II listed building in the Rhondda Cynon Taf local planning authority area, Wales. First listed on 26 February 2001. Bridge. 2 related planning applications.

Castle Bridge

WRENN ID
dark-storey-tide
Grade
II
Local Planning Authority
Rhondda Cynon Taf
Constituency
Pontypridd MP: Alex Davies-Jones (Lab)
Country
Wales
Date first listed
26 February 2001
Type
Bridge
Address
Castle Bridge, Treforest, Pontypridd, Rhondda Cynon Taff, CF37 5RE
OS grid reference
ST 084 890
Coordinates
51.59262, -3.32347
Source
Cadw listing

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

Description

Castle Bridge is a narrow double-carriageway bridge built with rubble stone, featuring three bays and segmental arches. On the north side, there is a V-shaped cutwater with a pyramidal cap on the west side, and another V-shaped cutwater on the east side that has been corbelled out to support an added plate girder for the parapet. The south side also has V-shaped cutwaters with stepped pyramidal caps. The deck of the bridge is ramped from the west to the east side. Footways were added in the late 19th century on each side; these project outwards and are supported by steel girders. The footways feature latticework steel parapets that flare out at the ends, although the northeast side is missing its parapet.

Local climate

Castle Bridge sits in a wetter-than-average part of the UK, with an average of 1,120 mm of rain a year. This makes it wetter than 88% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 85% of listed buildings.

It experiences an average of 33 freeze-thaw cycles a year, fewer than 53% of listed buildings. Of these, 14 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
  • Related listed building consents — 2 applications
  • 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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