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A Grade II* Listed Building in Cwm, Denbighshire

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Latitude: 53.2835 / 53°17'0"N

Longitude: -3.4199 / 3°25'11"W

OS Eastings: 305434

OS Northings: 377226

OS Grid: SJ054772

Mapcode National: GBR 4ZKG.DN

Mapcode Global: WH76G.FQQM

Entry Name: Plas-is-llan

Listing Date: 16 November 1962

Last Amended: 11 January 2002

Grade: II*

Source: Cadw

Source ID: 1392

Building Class: Domestic

Location: About 1 km west of Cwm Parish Church. The house faces south to a small stone-walled forecourt, and is flanked by its barns

County: Denbighshire

Community: Cwm

Community: Cwm

Locality: Dyserth

Traditional County: Flintshire

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Plas-is-llan is dated 1765 on its main door lintel. It appears to be planned as a formal unity with its two barns, which are probably contemporary, though the single storey links between house and barns were probably added later.


A red-brick house of three storeys and three windows. There is a central full-height rear wing flanked by single storey service rooms under lean-to roofs. The brickwork is in Flemish Bond apart from some English Garden Wall bond in the upper parts at the rear. Slate roof with coped gables including the central pediment and the north rear wing. The chimneys of the main range are rendered, that of the rear wing is in plain brickwork and set back slightly from the gable face.

Symmetrical front elevation with advanced, shallow gabled central bay with lunette window in gable apex. Other windows are in stone with mullions, those of the ground and first storeys also with transoms. The lights of these windows have later inserted timber frames. Stone main door surround with moulded arris and lintel inscribed 'Plas Is Llan / E LL / 1765'.
C19 and later windows to rear, but traces of original stone mullioned windows survive.

A stone single-storey brewhouse or bakehouse is attached to the gable end of the north wing.


Hallway and staircase centrally between main reception rooms. Original staircase with a moulded rail, turned balusters, close string and square newels with cappings. The doors have 2 fielded panels and wrought straps or L hinges carried on lugs. Good early Georgian two-panel door to bedroom in rear wing. Slate flag floor at ground level and oak upper floors. Attics with wide boarded doors.

Reasons for Listing

An unusual model estate farmstead of relatively early date, symmetrically composed with flanking agricultural ranges to the front, the house having retained its historic character; of interest also for the use of brickwork, then a material probably still regarded as indicative of status.

Other nearby listed buildings

  • II Plas-is-llan East Agricultural Range (now Domestic Units)
    To east side of forecourt of Plas-is-llan.
  • II Plas-is-llan West Agricultural Range
    To west side of forecourt of Plan-is-llan
  • II Tir-hwch Farmhouse
    At north-east side of a minor road about 400 m south-west of Plas-is-llan; small farmyard to south with a partly lofted range of agricultural buildings at right-angles to the house.
  • II Tan-llan Farmhouse Range
    At south side of the Cwm to Rhyl road, about 600 m west of Cwm Parish Church. Compact group of house and outbuilding; detached barn at right angles to rear, shed at front against boundary wall.
  • II* Pentre Cwm
    At the fork of the Cwm Road and the minor road to Marian Cwm, near the southern fringe of the village of Dyserth. Terracing and retaining walls of site much altered in recent restorations. Former farm
  • II* Church of Saints Mael and Sulien
    In the village of Cwm, 0.5 km east of the Cwm (Dyserth to Rhuallt) road. Stone churchyard wall with gate at west. The Vicarage site encroaches on the churchyard at south, and shares the roadside wall.
  • II* Hooded tomb in the churchyard of Saints Mael and Sulien
    Adjacent to the south wall of the St Mael & St Sulien's church.
  • II Ty Cerrig
    Adjacent to the Parish Church on the south-east side

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