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Cowhouse, Hammels and Cartshed at Trefarthen

A Grade II Listed Building in Llanidan, Isle of Anglesey

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Latitude: 53.1705 / 53°10'13"N

Longitude: -4.2711 / 4°16'16"W

OS Eastings: 248287

OS Northings: 366119

OS Grid: SH482661

Mapcode National: GBR 5J.46XY

Mapcode Global: WH437.CKCS

Entry Name: Cowhouse, Hammels and Cartshed at Trefarthen

Listing Date: 20 May 1998

Last Amended: 20 May 1998

Grade: II

Source: Cadw

Source ID: 19884

Building Class: Agriculture and Subsistence

Location: A long range on the E side of the farmyard at Trefarthen, forming the link between the two corn barns.

County: Isle of Anglesey

Community: Llanidan

Community: Llanidan

Locality: Trefarthen

Traditional County: Anglesey

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Probably mid C19, and contemporary with other buildings in the group at Trefarthen.


An unlofted three bay hammel, with six bay cowhouse to right (S). Rubble walls and pitched slate roof. Wood lintels to hammels, slate lintels to cowhouse. The cowhouse has a single door facing the yard with a window either side. Projecting to rear (E) is a feed-preparation room. Advanced wing with loose stall to left (N) of cowhouse. Attached to the S end of the range, linking the cowhouse with the S corn barn, is a three bay cartshed with servants quarters over. Rubble walls and piers, slate lintels. Slate roof, hipped at one end. Door to tack-room to left (S), with 3 cart bays to right (N). Loft has four windows, all with swivelling ventilators. Stone staircase to loft, to S end.


Both buildings opened to form one cowhouse. A stone bench for a feeding trough runs around the side and rear walls. Sawn king-post roof truss.

Reasons for Listing

Listed as an integral part of the exceptionally well-preserved farmstead group at Trefarthen.

Other nearby listed buildings

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