Barn range at Tyle Clydach is a Grade II listed building in the Brecon Beacons National Park local planning authority area, Wales. First listed on 17 December 1998. Barn.

Barn range at Tyle Clydach

WRENN ID
knotted-balcony-violet
Grade
II
Local Planning Authority
Brecon Beacons National Park
Constituency
Brecon, Radnor and Cwm Tawe MP: David Chadwick (LD)
Country
Wales
Date first listed
17 December 1998
Type
Barn
Address
Barn range at Tyle Clydach, Aberclydach, Talybont-On-Usk, Powys
OS grid reference
SO 097 212
Coordinates
51.8822, -3.31211
Source
Cadw listing

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

Description

The barn range at Tyle Clydach is a small four-bay structure built from stone rubble with boulder footings and a corrugated roof. It is set into a slope and aligned roughly east to west. The central double doorway is flanked by ventilation slits, and there are triangular ventilators at the gable end, with all openings featuring timber lintels.

Stepped down from the main barn is a small byre that has three doorways with planked doors and a dormer for the loft, along with a rear lean-to. Further stepped down is a small bay at the end, which was formerly used as a dairy; this section has more regularly coursed masonry and incorporates some brick.

Inside, the barn features simple tie beam trusses with three rows of trenched purlins and deep splays to the ventilators. The byre retains some of its original stall fittings.

Local climate

Barn range at Tyle Clydach sits in one of the wettest parts of the UK, with an average of 1,180 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 78% of listed buildings.

It experiences an average of 57 freeze-thaw cycles a year, more than 96% of listed buildings. Of these, 32 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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