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Garden House at The Argoed

A Grade II Listed Building in Trellech United (Tryleg Unedig), Monmouthshire

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Latitude: 51.7729 / 51°46'22"N

Longitude: -2.6928 / 2°41'34"W

OS Eastings: 352294

OS Northings: 208473

OS Grid: SO522084

Mapcode National: GBR FM.ZDPH

Mapcode Global: VH871.8PSR

Entry Name: Garden House at The Argoed

Listing Date: 28 February 2001

Last Amended: 28 February 2001

Grade: II

Source: Cadw

Source ID: 24949

Building Class: Domestic

Location: Set on the garden wall on the north side of the lawn about 50m north east of The Argoed.

County: Monmouthshire

Town: Monmouth

Community: Trellech United (Tryleg Unedig)

Community: Trellech United

Locality: Penallt (Pentwyn)

Traditional County: Monmouthshire

Find accommodation in
Mitchel Troy


The Argoed was built in the late C16 and remodelled in the early C17 by the Probert family. It was greatly enlarged after 1865 by Richard Potter, retired Chairman of The Great Western Railway, and much of the character of both the house and the stable block are due to him. He was responsible for restoring and improving the fine gardens and grounds, and will have built this garden house as a part of these improvements. It evidently reuses architectural detail from the C16/C17 house as the stable block does.


The building is constructed of squared red sandstone rubble with ashlar dressings and a roof with stone slates on the lower courses and pantiles above. It is of two storeys built into and on the garden wall. The ground floor has an arched alcove supporting the steps to the house above. This is square in plan and has a plain doorway with dressed jambs which rises to the eaves. Plain 2-light mullioned window on left gable wall with a carved apron, this appears to reuse at least some c1600 stonework. Plain gabled roof with base of cross on gable. Rear elevation not seen.


Interior not available for inspection at resurvey.

Reasons for Listing

Included as a garden building in the important Victorian landscape at The Argoed and having group value with the house.

Recommended Books

Other nearby listed buildings

  • II* The Argoed
    Set in its own landscaped grounds about 600m south of Penallt (Pentwyn) with magnificent views to the east. Reached from the west drive, close to the fork in the by-road to Tregagle.
  • II Stable Block at The Argoed
    Set in the slope at right angles to the house and closing the north west side of the forecourt. The Argoed is set its own grounds, 600m south of Penallt. This range is also known as the Great Stable
  • II The Old Vicarage
    About 200m north of the Church of St Mary on the east side of the road.
  • II Former Baptist Chapel
    On a prominent corner site, approximately 150m north of Penallt War Memorial.
  • II Fernside Mill
    On the north side of the Whitebrook valley road and about 2000m west of the Church of the Holy Trinity.
  • II Signpost Penalt/Trelleck
    On the south side of the Whitebrook valley road and about 2500m west of the Church of the Holy Trinity. It is at the crossroads for Whitebrook, Penallt, Monmouth and The Narth.
  • II Redbrook Railway Bridge
    On the eastern boundary of Trellech Community crossing the river to Redbrook on the boundary of Monmouthshire and Gloucestershire.
  • II Railway Bridge Crosses Border into Wales at Ngr So536099
    Newland, Forest of Dean, Gloucestershire, NP25

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