Rhondda Branch Junction Signal Box is a Grade II listed building in the Rhondda Cynon Taf local planning authority area, Wales. First listed on 17 July 1990. Signal box.

Rhondda Branch Junction Signal Box

WRENN ID
peeling-paling-storm
Grade
II
Local Planning Authority
Rhondda Cynon Taf
Constituency
Pontypridd MP: Alex Davies-Jones (Lab)
Country
Wales
Date first listed
17 July 1990
Type
Signal box
Address
Rhondda Branch Junction Signal Box, Pontypridd, Rhondda Cynon Taff
OS grid reference
ST 070 900
Coordinates
51.6013, -3.34367
Source
Cadw listing

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

Description

The Rhondda Branch Junction Signal Box is a 2-storey building made of red brick, topped with a slate roof. At the southern end, 2 bays have been reduced to a single storey with a flat roof, while the original structure was 6 bays plus 1 bay long. A name plate on the building reads 'Pontypridd JCSB'. Inside, the signal box once housed 230 levers.

Local climate

Rhondda Branch Junction Signal Box 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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  • 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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