Pont Blaen (partly in Ysbyty Ystwyth community) is a Grade II listed building in the Ceredigion local planning authority area, Wales. First listed on 16 March 2005. Bridge.

Pont Blaen (partly in Ysbyty Ystwyth community)

WRENN ID
crumbling-hearth-pearl
Grade
II
Local Planning Authority
Ceredigion
Constituency
Ceredigion Preseli MP: Ben Lake (PC)
Country
Wales
Date first listed
16 March 2005
Type
Bridge
Address
Pont Blaen (partly in Ysbyty Ystwyth community), Cwmystwyth, Aberystwyth, Pontarfynach
OS grid reference
SN 826 754
Coordinates
52.36453, -3.72453
Source
Cadw listing

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

Description

Pont Blaen is a road bridge made of squared rubble stone, featuring a single shallow arch with flush cut-stone voussoirs. It has rubble parapets on either side, each topped with flat coping and a raised central block that includes a string course beneath an ashlar top coping. The outer faces of the raised sections are adorned with Bath stone ashlar, displaying the coat of arms of Thomas Johnes, which includes a chevron and three birds, flanked by festoons on each side.

Local climate

Pont Blaen (partly in Ysbyty Ystwyth community) sits in one of the wettest parts of the UK, with an average of 1,250 mm of rain a year. This makes it wetter than 93% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 86% of listed buildings.

It experiences an average of 57 freeze-thaw cycles a year, more than 96% of listed buildings. Of these, 34 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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