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Duke's Barn

A Grade II Listed Building in Llantilio Crossenny, Monmouthshire

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Latitude: 51.8447 / 51°50'40"N

Longitude: -2.9066 / 2°54'23"W

OS Eastings: 337643

OS Northings: 216623

OS Grid: SO376166

Mapcode National: GBR FB.TTYH

Mapcode Global: VH792.KWSQ

Entry Name: Duke's Barn

Listing Date: 16 March 1999

Last Amended: 27 October 2000

Grade: II

Source: Cadw

Source ID: 21505

Building Class: Agriculture and Subsistence

Location: Linear barn range, aligned roughly SW to NE, in isolated rural position, some 300m SW of White Castle ruins, approached by footpath through open fields.

County: Monmouthshire

Town: Abergavenny

Community: Llantilio Crossenny (Llandeilo Gresynni)

Community: Llantilio Crossenny

Locality: White Castle

Traditional County: Monmouthshire

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Late C17 barn, subsequently extended at each end, probably in C18, when a lofted cowhouse was added. Until 1999 Duke's barn belonged to nearby Pantycollin Farm which formerly belonged to the Dukes of Beaufort's estate, as part of the demesne of White Castle, which probably explains the name.


Long barn and lofted cowhouse in single linear farm range. Rubble stone; roof is slate at lower SW end and corrugated asbestos to NE. SE elevation faces yard with main barn to right and lofted cowhouse on left. Barn has off-centre earth threshing floor and raised flat canopy to cartshed entry, neither barn door survives. Long wall to right has (l to r), a single slit, a vertical build line, a blocked doorway with timber lintel and then a second vent slit. Long wall (left) has two vent slits. Cowhouse has external stone staircase leading to upper loft doorway; flat door-head with monopitch roof rises above eaves, boarded door. Upper floor (right) has second ruined opening. On ground floor (to left of staircase) is cowhouse doorway with timber lintel and vent slit to adjacent wall. To right of stair, is a second cowhouse doorway. NE gable of barn has two vent slits on ground floor; above is square boarded door to pitching loft. SW gable of cowhouse has similar vent slits and a blocked doorway on ground floor. At right angles to barn (far right) is large C20 6-bay open fronted shelter shed with corrugated asbestos roof.


11 bay interior. Each side of the threshing floor are raking queen strut trusses, and each end of barn are collar and tie beam trusses: three at lower and two at upper end. Two tiers of trenched purlins. Flanking threshing floor on lower side is a low stone wall with heavy timber sill, which rises to a height of approximately 1m.

Reasons for Listing

An unusually large C17 barn on an important site below the ruins of White Castle.

Other nearby listed buildings

  • II Yewtree Cottage
    Isolated rural position overlooking the ruins of White Castle, located approximately 100m W of the entrance to castle, approached along narrow track which skirts N boundary of the Outer Ward.
  • I White Castle Ruins
    Impressively sited on gently sloping ground overlooking the village of Llanvetherine and the undulating countryside beyond, some 3km NW of village of Llantilio Crossenny.
  • II Cider House and attached Outhouse at Upper White Castle
    Some 20m NW of the farmhouse at Upper White Castle, at upper end of a gently sloping farmyard.
  • II* Upper White Castle Farmhouse
    On the W side of the minor road from Trerew to Llantilio Crossenny, located on gently sloping high ground approximately 100m SE of White Castle.
  • II Pigsty at Upper White Castle
    Some 15m N of the farmhouse at Upper White Castle.
  • II White Castle Cottage
    Approximately 100m E of White Castle, on W side of minor road between Tre-rhew and Llantilio Crossenny at the road junction to White Castle ruins.
  • II Lower White Castle Farmhouse
    Some 500m SE of White Castle ruins, on SW side of minor road that leads to Llantilio Crossenny.
  • II Barn and attached Granary at Lower White Castle
    Flanking the entrance drive on S side of farmhouse at Lower White Castle Farm.

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