Pont Llwyn Dwfr, including boundary stone (Partly in Maenclochog Community) is a Grade II listed building in the Pembrokeshire local planning authority area, Wales. First listed on 10 April 2004. Bridge.
Pont Llwyn Dwfr, including boundary stone (Partly in Maenclochog Community)
- WRENN ID
- rooted-casement-violet
- Grade
- II
- Local Planning Authority
- Pembrokeshire
- Constituency
- Ceredigion Preseli MP: Ben Lake (PC)
- Country
- Wales
- Date first listed
- 10 April 2004
- Type
- Bridge
- Address
- Pont Llwyn Dwfr, including boundary stone (Partly in Maenclochog Community), Clynderwen
- OS grid reference
- SN 106 233
- Coordinates
- 51.87638, -4.7527
- Source
- Cadw listing
Description
Pont Llwyn Dwfr is a two-span double-carriageway bridge constructed from rubble stone. It features a central pier with V-shaped cutwaters made of freestone, which are reinforced with concrete at the base. The bridge has segmental arches with sunk voussoirs and keystones. The parapet is topped with a pitched coping course, and there is a boundary stone set into the north side of the bridge. This stone has a shallow inscription divided into two panels: the left panel reads "Llandykeven Boundary, Pembrokeshire," and the right panel reads "Llandissilio Boundary, Carmarthenshire."
Local climate
Pont Llwyn Dwfr, including boundary stone (Partly in Maenclochog Community) 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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