Treowen is an early 17th-century house in Monmouthshire, Wales, regarded as "the most important gentry house in the county". It is located in open countryside within the parish of Wonastow, about ½ mile (1 km) north-east of the village of Dingestow, and 3 miles (4.8 km) south-west of Monmouth. After being used as a farmhouse for three centuries, Treowen now operates as a conference and functions venue and holds the annual Wye Valley Chamber Music Festival. It is a Grade I listed building, and its gardens are designated Grade II on the Cadw/ICOMOS Register of Parks and Gardens of Special Historic Interest in Wales.
Clytha Park, Clytha, Monmouthshire, is a 19th-century Neoclassical country house, "the finest early nineteenth century Greek Revival house in the county." The wider estate encompasses Monmouthshire's "two outstanding examples of late eighteenth century Gothic", the gates to the park and Clytha Castle. The owners were the Jones family, later Herbert, of Treowen and Llanarth Court. It is a Grade I listed building.
Little Pitt Cottage is a medieval house in Llanarth, Monmouthshire, South Wales. It was designated a Grade II* listed building in 1956, its listing record describing it as a "fine and exceptionally intact timber-framed house".
Allt-y-Bela in Llangwm, Monmouthshire, Wales, is a house of late medieval origin with additions from the sixteenth to the twenty-first centuries. During the early seventeenth century, it was owned by Roger Edwards, a wealthy Midlands merchant and the founder of Usk Grammar School. Edwards made significant alterations in the Renaissance style to the medieval cruck house. By the twentieth century, the house was in ruins until restored by the Spitalfields Historic Buildings Trust in the early twenty-first century. Now owned by the garden designer Arne Maynard, the house is a Grade II* listed building recognising its significance as an "exceptionally important sub-medieval house with ambitious early renaissance additions".
Llwyn-celyn Farmhouse, Llanvihangel Crucorney, Monmouthshire is a farmhouse of late medieval origins. It is a Grade I listed building.
Little Llwygy Farmhouse, Cwmyoy, Monmouthshire, Wales, is a farmhouse of two building dates, the earlier of the 15th century, the latter of the 17th. The farmhouse is a Grade II* listed building.
Great Tresenny Farmhouse, Grosmont, Monmouthshire is a farmhouse dating from c.1600. Situated just to the south of the village, the farmhouse is a Grade II* listed building.
Ty-Hwnt-y-Bwlch Farmhouse,, Cwmyoy, Monmouthshire is a farmhouse in the north of the county dating from the late 16th century. Located on the hillside above the Church of St Martin, it is a Grade II* listed building.
Manor Farmhouse, or Crick Manor, Crick, Monmouthshire is a late medieval manor house dating from the 15th century. The buildings comprise a chapel, of 13th century origins, now a separate house, the medieval, stone hall, and a 16th-century wing. The buildings were originally constructed for the Denefords, and extended by their descendants, the Moores. In the 17th century, Nicholas Moore, High Sheriff of Monmouthshire entertained Charles I at the manor. The grouping has been "badly compromised" in later centuries. The house, privately owned and accommodating an archery centre, is Grade II* listed.
Monmouthshire Houses: A Study of Building Techniques and Smaller House-Plans in the Fifteenth to Seventeenth Centuries is a study of buildings within the county of Monmouthshire written by Sir Cyril Fox and Lord Raglan and published by the National Museum of Wales. The study was published in three volumes; Part I Medieval Houses, Part II Sub-Medieval Houses, c. 1550–1610 and Part III Renaissance Houses, c. 1590–1714, between 1951 and 1954. The series was republished by Merton Priory Press in 1994. A later historian of Welsh architecture, Peter Smith, described Fox and Raglan’s work as equal in importance, in its own field, to Charles Darwin's On the Origin of Species.
Ton Farmhouse, Llangybi, Monmouthshire is a farmhouse dating from the early 17th century. John Newman, in his Monmouthshire Pevsner, describes it as a "perfect Monmouthshire farmhouse". Ton is a Grade II* listed building, its listing noting that it is a "remarkably good survival" of a prosperous 17th century Welsh farmhouse.
The Cwm, Llantrisant, Monmouthshire is a farmhouse dating from the 16th century. Expanded in both the 17th and 18th centuries, The Cwm is a Grade II* listed building, its listing describing it as "a substantial farmhouse of distinctive T-plan".
Cwm Bwchel Farmhouse, Llanthony, Monmouthshire is a farmhouse dating from the late-Medieval period. It carries a date stone of 1694, which probably refers to a period of reconstruction. The farmhouse is Grade II* listed and a number of the ancillary buildings on the farmstead have their own Grade II listings.
Great Killough, Llantilio Crossenny, Monmouthshire is a substantial manor house of late medieval origins. The majority of the current structures date from three building periods from 1600 to 1670. It is a Grade II* listed building.
Blaengavenny Farmhouse, Llanvihangel Crucorney, Monmouthshire is a farmhouse of late medieval origins. It is a Grade II listed building. Its adjacent barn and granary have separate Grade II listings.
Chapel Farmhouse and its attached outbuilding, Llanarth, Monmouthshire is a house dating from the 16th century. Greatly enlarged in the 17th century, it remains a private house. It is a Grade II* listed building.
Nantybanw, Llantrisant in Monmouthshire, Wales is a country house dating from 1625. The house is Grade II* listed and the associated farm buildings have their own Grade II listings.
Berllan-deg, Llanhennock, Monmouthshire is a country house dating from the mid-17th century. A rare survival of a remarkably unaltered hall house, Berllan-deg is a Grade II* listed building.
Persondy (the Priest's House), Mamhilad, Monmouthshire is a former parsonage dating from the late 16th century. It is a Grade II* listed building. The adjacent barn, now a separate residence called Ysguborwen, has its own Grade II listing.
Perth-hir House, Rockfield, Monmouthshire, Wales, was a major residence of the Herbert family. It stood at a bend of the River Monnow, to the north-west of the village. At its height in the 16th century, the mansion, entered by two drawbridges over a moat, comprised a great hall and a number of secondary structures. Subsequently in the ownership of the Powells, and then the Lorimers, the house became a centre of Catholic recusancy following the English Reformation. By the 19th century, the house had declined to the status of a farmhouse and it was largely demolished in around 1830. Its ruins, and the site which contains considerable remnants of a Tudor garden, are a scheduled monument.
