Pont Llwyn-dwfr, (partly in Clynderwen Community rec no 82471) is a Grade II listed building in the Pembrokeshire local planning authority area, Wales. First listed on 15 October 2004. Bridge.
Pont Llwyn-dwfr, (partly in Clynderwen Community rec no 82471)
- WRENN ID
- waning-basalt-ash
- Grade
- II
- Local Planning Authority
- Pembrokeshire
- Constituency
- Ceredigion Preseli MP: Ben Lake (PC)
- Country
- Wales
- Date first listed
- 15 October 2004
- Type
- Bridge
- Address
- Pont Llwyn-dwfr, (partly in Clynderwen Community rec no 82471), Llanycefn, Maenclochog
- OS grid reference
- SN 106 233
- Coordinates
- 51.87639, -4.75283
- Source
- Cadw listing
Description
Pont Llwyn-dwfr is a bridge constructed of rubble stone, featuring two arches with recessed designs, stone voussoirs, and raised keystones. It has cutwaters on each side made of squared slaty stone blocks, topped with caps and pyramid shapes. The rubble parapets include long stones that are set vertically at intervals. On the northern parapet, there is a boundary stone with an inscription bordered by rebated corners; the left side reads 'Llandykeven' with a pointing hand below, and the right side states 'Llandissilio Boundary Carmarthenshire'.
Local climate
Pont Llwyn-dwfr, (partly in Clynderwen Community rec no 82471) sits in a wetter-than-average part of the UK, with an average of 1,110 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 94% of listed buildings.
It experiences an average of 12 freeze-thaw cycles a year, fewer than 89% of listed buildings. Of these, 5 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
- 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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- Pont Llwyn Dwfr, including boundary stone (Partly in Maenclochog Community)
- Llwyn Dwfr
- Nant-y-Cwm Steiner Kindergarten
- Former Chapel House at Rhydwilym Chapel
- Rhydwilym Baptist Chapel
- Stable and Schoolroom at Rhydwilym Chapel
- Church of Saint Tysilio
- Llandissilio War Memorial
- Pontbren-ddu
- Penrhos Cottage