Barn range at Cefn Brynich is a Grade II listed building in the Brecon Beacons National Park local planning authority area, Wales. First listed on 28 July 2005. Barn range. 1 related planning application.

Barn range at Cefn Brynich

WRENN ID
gilded-clay-solstice
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 July 2005
Type
Barn range
Address
Barn range at Cefn Brynich, Llanfrynach, Powys, LD3 7SL
OS grid reference
SO 076 274
Coordinates
51.93806, -3.34437
Source
Cadw listing

Also on this page: sale history · EPC · related consents · flood risk · radon risk · weather exposure · detailed attributes ↓

Description

This barn range, built of whitewashed rubble stone with slate roofs, likely dates from the 18th century. It’s a long, continuous structure consisting of a long barn to the east, a lofted stable or cow-house to the west, and a slightly taller, added lofted cart shed at the west end.

The north front faces a farmyard. The barn, to the left, has a single roofline and features two sets of high double doors. To the right is the lofted stable or cow-house. The barn’s facade is punctuated by two pairs of double boarded doors, separated by three pairs of vent loops; each pair of vent loops contains two square vent holes above. The cow-house has four doors with timber lintels, and a single loft door over the third, set into an oak sill. A building line runs horizontally across the facade at approximately one-third of the height of the loft door. The later cart shed to the right has a taller roof and two boarded loft openings under the eaves, set into stone sills, above two large, segmental arched cart entries. These entries feature cut stone voussoirs and a rounded centre constructed of rubble stone and a plain capital. Exterior stone steps lead to the loft door on the west end wall. The gable verges overhang.

The rear, south-facing side, which fronts the main road, is also whitewashed. The rear of the cart shed has no windows. The stable or cow-house has one small window on the right side. The barn has two full-height doors between projecting piers, each supporting a small pentice roof. To the left of the left-hand door are three tiers of four square holes. Between the doorways are two tiers of vent loops, three below and two above. To the right of the right-hand doors are two vent loops, also with two square holes above. The converted range on the right has a south gable end with a large cart entry featuring stone voussoirs for a cambered arch. The east side of this range includes a window to the left and a door centrally placed.

Local climate

Barn range at Cefn Brynich 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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  • Full EPC report — heating system, energy costs, size, glazing, construction etc.
  • Sale history — 2 transactions since 2017
  • Related listed building consents — 1 application
  • 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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  2. Canal Bridge No 163 and Cefn Brynich Lock Chamber Grade II 138 m
  3. Lock Cottage Grade II 157 m
  4. Lock Road Bridge Grade II* 199 m
  5. Cefn Brynich Canal Bridge Aqueduct Grade II* 291 m
  6. Canal Bridge No 162 Brecon & Abergavenny Canal Grade II 414 m
  7. Tunnel carrying Brynich stream under Brecon & Abergavenny Canal (partly in Brecon community) Grade II 713 m
  8. Brynich Farmhouse Grade II 748 m
  9. Former Barn, now Restaurant and Accommodation at Brynich Caravan Park Grade II 774 m
  10. Canal Bridge No 161 Brecon & Abergavenny Canal Grade II 779 m