Pont Tre'r Ddol is a Grade II listed building in the Ceredigion local planning authority area, Wales. First listed on 28 May 2004. Bridge.

Pont Tre'r Ddol

WRENN ID
lapsed-copper-sunrise
Grade
II
Local Planning Authority
Ceredigion
Constituency
Ceredigion Preseli MP: Ben Lake (PC)
Country
Wales
Date first listed
28 May 2004
Type
Bridge
Address
Pont Tre'r Ddol, Machynlleth, Llangynfelyn
OS grid reference
SN 659 922
Coordinates
52.51135, -3.97662
Source
Cadw listing

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

Description

Pont Tre'r Ddol is a single span bridge constructed from rubble stone. It features a segmental arch made of dressed stone voussoirs, with thin stones forming the arch ring. The rubble stone parapets are notable for their particularly large stones facing the road and are topped with cement coping.

Local climate

Pont Tre'r Ddol sits in one of the wettest parts of the UK, with an average of 1,320 mm of rain a year. This makes it wetter than 95% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 93% of listed buildings.

It experiences an average of 26 freeze-thaw cycles a year, fewer than 72% of listed buildings. Of these, 12 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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  • Full EPC report — heating system, energy costs, size, glazing, construction etc.
  • Sale history — 1 transaction since 2013
  • 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
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