Dyfnant is a Grade II listed building in the Brecon Beacons National Park local planning authority area, Wales. First listed on 28 August 1998. Stable, cart shed.

Dyfnant

WRENN ID
inner-span-storm
Grade
II
Local Planning Authority
Brecon Beacons National Park
Constituency
Brecon, Radnor and Cwm Tawe MP: David Chadwick (LD)
Country
Wales
Date first listed
28 August 1998
Type
Stable, cart shed
Address
Dyfnant, Cyffredyn, Llangynidr, Powys
OS grid reference
SO 173 196
Coordinates
51.86923, -3.20139
Source
Cadw listing

Also on this page: flood risk · radon risk · weather exposure · detailed attributes ↓

Description

Dyfnant is a stable and cart shed built from rubble sandstone, topped with a stone tile roof. The structure is divided into two units by a butt joint. The stable, located to the south, has a gable end facing the towpath to the east. It features a doorway on the left and an opening on the right, both under segmental heads. The cart shed to the right has two wide doorways with flattened elliptical arches and projecting keystones, along with two openings above that also have segmental heads. There is a pitching eye in the left gable end. Stone steps against the right gable end lead to a loft doorway, which has an opening above it similar to the front, complete with a sill and wooden louvres.

Both units contain lofts supported by cross-beams, and their roofs include tie beams and collar beams. The dividing wall also features a pitching eye similar to that of the south gable end.

Local climate

Dyfnant sits in a wetter-than-average part of the UK, with an average of 1,100 mm of rain a year. This makes it wetter than 87% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 74% of listed buildings.

It experiences an average of 54 freeze-thaw cycles a year, more than 94% of listed buildings. Of these, 30 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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