Vaulted undercroft at Cilciffeth is a Grade II listed building in the Pembrokeshire Coast National Park local planning authority area, Wales. First listed on 30 July 2002. Vaulted undercroft.
Vaulted undercroft at Cilciffeth
- WRENN ID
- dusk-window-bramble
- Grade
- II
- Local Planning Authority
- Pembrokeshire Coast National Park
- Constituency
- Ceredigion Preseli MP: Ben Lake (PC)
- Country
- Wales
- Date first listed
- 30 July 2002
- Type
- Vaulted undercroft
- Address
- Vaulted undercroft at Cilciffeth, Fishguard, Cwm Gwaun
- OS grid reference
- SN 012 337
- Coordinates
- 51.96636, -4.89526
- Source
- Cadw listing
Description
The vaulted undercroft at Cilciffeth is a structure featuring a rubble stone curved barrel vault that measures approximately 12 meters in length. The outside walls are eroded and overgrown, with an open entry at one end and a vent loop at the other. There are no visible traces of the original external wall facing masonry, but remnants of two windows and a door can still be seen.
Local climate
Vaulted undercroft at Cilciffeth sits in a wetter-than-average part of the UK, with an average of 1,140 mm of rain a year. This makes it wetter than 89% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 97% of listed buildings.
It experiences an average of 6 freeze-thaw cycles a year, fewer than 96% of listed buildings. Of these, 2 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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