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Trecastell Farm

A Grade II Listed Building in Llangoed, Isle of Anglesey

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Latitude: 53.2843 / 53°17'3"N

Longitude: -4.0776 / 4°4'39"W

OS Eastings: 261588

OS Northings: 378386

OS Grid: SH615783

Mapcode National: GBR JN90.NX3

Mapcode Global: WH53W.BQJ1

Entry Name: Trecastell Farm

Listing Date: 17 July 2002

Last Amended: 17 July 2002

Grade: II

Source: Cadw

Source ID: 26760

Building Class: Domestic

Location: Set back, along a private trackway, from the E side of the B5109 on its S approach to the village of Llangoed.

County: Isle of Anglesey

Community: Llangoed

Community: Llangoed

Traditional County: Anglesey

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The history of the holding of Trecastell can be traced back to Ednyfed Fychan, chief counsellor and general of Llewelyn ap Iorwerth, Sovereign Prince of Wales. He had 2 sons by his first wife, Gwenllian: Gruffyd and Grono. On his death he bequeathed to Grono the lands at Penmynydd, Tre Castell and Arddreiniog, along with other estates. Grono ap Ednyfed lived at Tre Castell and was succeeded by his son Tudor, who in turn divided the lands between his 3 sons, Grono, Hywel and Madog. Hywel died without issue and his inheritance went to Grono; Madog became the first Archdeacon of Anglesey and left his lands to his own monastery of Conwy. Trecastell passed down from Grono to his son Tudor, a great favourite of Edward III, and on his death the estate was divided up between his five sons: Grono, Ednyfed, Gwilym, Meredydd and Rhys. Trecastell went to Ednyfed, uncle to Owen Tudor (son of Meredydd) and great uncle to Henry VII.
The oldest part of the present farmhouse is the C16 fireplace in the W wing, which is all that remains of the earlier house. The present farmhouse was probably built in the latter part of the C19. The Census returns for the parish gives 2 entries for Trecastell in 1851 to 1871 (the other Trecastell being the adjacent gentry house); in 1881 there is only one entry, suggesting that this may have been when the farm was being rebuilt. Trecastell was quite an extensive holding, of over 167 acres(67.64 hectares), which formed part of the estate of Henry Williams Esq.


Late C19 farmhouse, built to an L-shaped plan with lean-to addition in the NW angle and an advanced lateral stack at the SW corner of the W wing. Built of roughly coursed masonry of large rubble with boulders as quoins; some parts rendered. Slate roof with stone copings and shouldered gable stacks with capping. The principal elevation faces E, a 2-storey 3-window range with narrow central doorway under a shallow fanlight. The windows are hornless sashes with slate sills and flat arch voussoir heads; ground floor windows have 16-panes, 1st floor windows are unequal. The L (S) gable return is rendered as is the 1st floor of the R gable return which has a small ground floor casement window of 4-panes.
Entry to the rear of the house is through a doorway to the R (S) end of the lean-to addition, there is a small 4-pane casement to the L and a similar 1st floor window over the doorway with 4-paned horned sash window to its L. The N wall of the W wing has 4-pane horned sash windows to each floor; the rendered W wall has a similar ground floor window and the rendered S wall has an unequal 1st floor sash of 12-panes.


The house retains a plain wide segmental arch to the original C16 fireplace (now filled in).

Reasons for Listing

Listed as a good C19 farmhouse which retains a strong character in the simple Georgian styling which is an enduring feature of the regional vernacular. The house is of particular historic interest for its links with the Tudor family and retains a good C16 fireplace.

Other nearby listed buildings

  • II Boundary stone on Pont y Brenhin (partly in Llangoed)
    At the S end of Llangoed and built into the parapet of the bridge.
  • II* Castell Aberlleiniog
    In an isolated location, along a trackway, to the N and W of a country road leading to Penmon; to the W of the village of Llangoed. The structure is to the N side of the Afon Lleiniog c0.5km from the
  • II Lleiniog
    Slightly set back, within private grounds, from the N and W of a country road leading to Penmon; to the W of the village of Llangoed. The house is c100m from the coast.
  • II* Tros-y-gors
    Situated to E of B 5109 through Llangoed; reached from N end of the village along lane and then short private track. Faces N; rubble forecourt wall.
  • II Church of St Catherine
    In a large churchyard and reached by a short drive on the E side of a minor road N of Beaumaris.
  • II Swn y Gloch
    On the NW side of Llanfaes churchyard.
  • II Smithy Cottage
    On the W side of and at the entrance to the drive to the parish church.
  • II Outbuilding range at Haulfre Stables
    Situated to E of B 5109 through Llangoed; reached from N end of the village along a lane and then short private track. The outbuilding range is set downslope to S of the adjacent stable complex.

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