History in Structure

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A Grade II Listed Building in Pen-y-Bont-Fawr (Pen-y-bont-fawr), Powys

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Latitude: 52.8013 / 52°48'4"N

Longitude: -3.3687 / 3°22'7"W

OS Eastings: 307819

OS Northings: 323515

OS Grid: SJ078235

Mapcode National: GBR 6P.WJ6K

Mapcode Global: WH78T.7V3B

Plus Code: 9C4RRJ2J+GG

Entry Name: Siambr-wen

Listing Date: 23 May 2003

Last Amended: 23 May 2003

Grade: II

Source: Cadw

Source ID: 81216

Location: To the west side of the minor road from Penybontfawr to Cwm Fedw, about 1 km south-west of the village.

County: Powys

Community: Pen-y-Bont-Fawr (Pen-y-bont-fawr)

Community: Pen-y-bont-Fawr

Locality: Cwm-fedw

Traditional County: Montgomeryshire

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Said to be on a site of considerable antiquity, Siambr-wen is a small farmhouse of the C18 or earlier, possibly built in two periods. The front range was modernised in the early C19.

In 1839 it was recorded as a farmstead of the Wynnstay estate, tenanted by John Ashford with about 63 acres (25.52 hectares). It is now a private house, the few remaining adjacent farm buildings being in different occupation.


A two-storey, two-window farmhouse facing east, with a long central rear wing also of two storeys but with a slightly lower roof eaves. The house is in white-painted quasi-rubble with slate roofs. The front range has a hipped roof with large stone chimneys at each end. The rear wing has a gabled roof with no surviving chimney. Small single storey annexe in the south-west angle between the main range and the wing, at former fireplace position.

At front (east) the house has flush-framed small-pane mullion and transom casement windows in segmentally arched openings below, and smaller similar mullion windows above against the eaves. Modern porch at centre. At the rear of the main range is a similar upper window south of the rear wing, and a small window to the ground storey north of the rear wing. Moderate eaves projection all round; large chimney stacks in similar white painted stonework

The rear wing has windows and door to the north elevation but its rear elevation to the south is blind. In the north elevation are three ground storey windows in segmentally arched openings and a door within a modern porch, and two upper windows probably in altered openings.


Siambr-wen retains a large fireplace at each end of the main range, and a lateral fireplace in the south side of the rear wing.

Reasons for Listing

A vernacular farmhouse well preserved as modernised in the early C19.

Recommended Books

Other nearby listed buildings

  • II Ty-isaf farmhouse
    Reached by a farm track to the south of a minor road off the Penybontfawr to Hirnant road; about 1½ km south west of Penybontfawr village.
  • II Farmhouse with attached Cruck Barn at Peniarth-uchaf
    In the farmyard of Peniarth-uchaf, reached by a minor road and a farm lane about 1 km west of the village of Penybontfawr.
  • II Ty'n-y-caeau
    Reached by a farm track south from the B4391, about 300 m west of Pont Farrog, Penybontfawr.
  • II Plas-newydd (former vicarage)
    50 m west of the parish church of St Thomas, in private grounds with low stone wall to front; former stables to rear.
  • II Pont Farrog
    Carrying the B391 road over the Afon Tanat in the village of Penybontfawr.
  • II Former School
    In the village of Penybontfawr about 60 m south-east of the church of St Thomas.
  • II Parish Church of St Thomas
    At west of the village of Penybontfawr, in a large stone-walled churchyard.
  • II Farm Buildings beside Penybont Farm
    At south side of street in the village of Penybontfawr.

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