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Cow house and barn at Llwyn-cus

A Grade II Listed Building in Treflys, Powys

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Latitude: 52.144 / 52°8'38"N

Longitude: -3.5679 / 3°34'4"W

OS Eastings: 292802

OS Northings: 250677

OS Grid: SN928506

Mapcode National: GBR YF.75M2

Mapcode Global: VH5DG.3CMS

Entry Name: Cow house and barn at Llwyn-cus

Listing Date: 30 October 2000

Last Amended: 30 October 2000

Grade: II

Source: Cadw

Source ID: 24355

Building Class: Agriculture and Subsistence

Location: On the SW side of and set below the house.

County: Powys

Community: Treflys

Community: Treflys

Locality: Llanlleonfel

Traditional County: Brecknockshire

Find accommodation in
Llangammarch Wells


The present farmstead is early C19, with cow house and barn both shown on the 1844 Tithe map. By the time of the 1889 Ordnance Survey an outshut had been added to the lower gable end of the barn and a pigsty was added facing the yard.


A multi-purpose L-shaped farm range comprising a cow house and stable built across the slope on the SW side and a barn and cart shed at right angles to it, enclosing a small yard on the E side. Gable ends and the outer side wall of the cow house are of rubble stone, while the remainder is principally simple box framing with elm weatherboarding on a rubble stone sill. Slate roof throughout. Facing the yard the cow house has 5 boarded doors and a loft door, at the L end of which is the stable door with loft opening above it. The rear has 3 manure-pitching holes with boarded shutters but with original lintels removed. An added outshut is further R. The barn has, facing the yard, full-height boarded doors in the angle with the stable, to the L of which is a blockwork outshut with slate roof, built on the foundation of a C19 pigsty.

The L gable end of the barn has a weatherboarded gable over rubble stone walls, and a boarded loft door. On the opposite side wall the barn has replaced full-height double doors, L of which an original cart shed opening has been infilled with blockwork, as has the outshut at the lower end.


Both cow house and barn have roofs of tie beams with raking struts. The threshing bay in the barn retains stone flags with oak boards to the centre. The stable retains 3 wooden stalls.

Reasons for Listing

Listed as a well-preserved multi-purpose farm building, a type rare in the district, and for group value with the farmhouse, making a complete early C19 farmstead.

Other nearby listed buildings

  • II Llwyn-cus
    Approximately 1.3km NW of Llanlleonfel church, reached by farm road on the W side of a minor road between Garth and Beulah.
  • II L-plan barn ranges at Maesllech
    Approximately 0.6km SW of Llanlleonfel church and reached by a farm road S of the A483. The barn is on the E side of the farmyard.
  • II The Old Vicarage
    Approximately 0.8km S of Eglwys Oen Duw, reached by private drive on the W side of a minor road between Beulah and Abergwesyn.
  • II Milestone SE of Eglwys Oen Duw
    Approximately 400m SE of Eglwys Oen Duw on the E side of a minor road between Beulah and Abergwesyn.
  • II Garth House
    Located in its own grounds 0.8km NW of Garth village, and reached by private drive on the N side of the A483.
  • II Footbridge on SW side of Eglwys Oen Duw churchyard
    On the SW side of the church.
  • II* Eglwys Oen Duw
    On the E side of a minor road between Beulah and Abergwesyn, approximately 1.2km NW of Beulah village.

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