Pantgwyn Mawr is a Grade II listed building in the Pembrokeshire local planning authority area, Wales. First listed on 19 August 2004. House.
Pantgwyn Mawr
- WRENN ID
- dusted-railing-hawk
- Grade
- II
- Local Planning Authority
- Pembrokeshire
- Constituency
- Ceredigion Preseli MP: Ben Lake (PC)
- Country
- Wales
- Date first listed
- 19 August 2004
- Type
- House
- Address
- Pantgwyn Mawr, Tegryn, Llanfrynach, Clydau
- OS grid reference
- SN 245 321
- Coordinates
- 51.96001, -4.55551
- Source
- Cadw listing
Description
Pantgwyn Mawr is a house constructed of rubble stone, featuring a slate eaves roof and brick end stacks. The right end chimney was rebuilt in the 20th century. The house is two storeys high and has a three-window range of 12-pane sashes, with some original hornless sashes and some that have been replaced. There is a 20th-century door in the center, with brick cambered heads and slate sills. The building has cut slate cornerstones and overhanging verges on the end walls. The left end has three ground floor windows with 20th-century glazing and brick heads, while the right end features a small 9-pane hornless sash window on each floor, located to the right in the end of an outshut. The rear of the house includes an outshut. The interior is not available for inspection.
Local climate
Pantgwyn Mawr sits in one of the wettest parts of the UK, with an average of 1,170 mm of rain a year. This makes it wetter than 90% 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 20 freeze-thaw cycles a year, fewer than 79% of listed buildings. Of these, 9 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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