Dyffryn Arth is a Grade II listed building in the Ceredigion local planning authority area, Wales. First listed on 23 May 1996. Commercial building.
Dyffryn Arth
- WRENN ID
- silent-wattle-wren
- Grade
- II
- Local Planning Authority
- Ceredigion
- Constituency
- Ceredigion Preseli MP: Ben Lake (PC)
- Country
- Wales
- Date first listed
- 23 May 1996
- Type
- Commercial building
- Address
- Dyffryn Arth, Pontrhydsaeson
- OS grid reference
- SN 541 627
- Coordinates
- 52.24393, -4.13802
- Source
- Cadw listing
Description
Dyffryn Arth is a mid-19th century farmhouse built for the Trawscoed estate. It is not located on the same site as the farm shown on the 1843 Tithe Map, which was owned by the Earl of Lisburne and occupied by Stephen Jones.
The farmhouse is constructed of rubble stone and features a slate roof, with whitewashed stone corniced end stacks. It is two stories high and has a three-window range. The windows are hornless 16-pane sashes with slate sills and stone voussoirs. The central entrance has a ledged door with a margin-glazed overlight above it. The doorcase is timber panelled, with a flat moulded hood supported by iron brackets. The end walls and rear of the house are stuccoed, and there is an outshut at the rear.
This farmhouse is noted for its fine regional characteristics in the late Georgian style and is built on a larger scale than is typical for the period.
Local climate
Dyffryn Arth sits in one of the wettest parts of the UK, with an average of 1,290 mm of rain a year. This makes it wetter than 94% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 92% of listed buildings.
It experiences an average of 34 freeze-thaw cycles a year, fewer than 52% of listed buildings. Of these, 17 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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