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Penarth Feeder Weir

A Grade II Listed Building in Newtown and Llanllwchaiarn (Y Drenewydd a Llanllwchaearn), Powys

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Coordinates

Latitude: 52.525 / 52°31'29"N

Longitude: -3.2693 / 3°16'9"W

OS Eastings: 313982

OS Northings: 292657

OS Grid: SO139926

Mapcode National: GBR 9V.G1R4

Mapcode Global: VH684.9S0Q

Entry Name: Penarth Feeder Weir

Listing Date: 20 March 2012

Last Amended: 20 March 2012

Grade: II

Source: Cadw

Source ID: 87648

Location: Adjacent to the sewage works at Dolfor Lock, at the end of the minor road from Llanllwchaiarn. Reached by a footpath from Freestone Lock on the west bank of the River Severn.

County: Powys

Community: Newtown and Llanllwchaiarn (Y Drenewydd a Llanllwchaearn)

Community: Newtown and Llanllwchaiarn

Locality: Llanllwchaiarn

Traditional County: Montgomeryshire

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History

Double weir designed by Josias Jessop in 1813-14 and constructed by John Williams from 1814-1818 as part of the development of the Montgomeryshire Canal and the Western Branch that extended the canal to Newtown. The Western Branch had been supported and partly financed by William Pugh of Newtown to promote the growth of the flannel industry in the town. The Feeder Weir was constructed to supply the canal with water from the River Severn and was equipped with a fish ladder to protect the migrating stocks of salmon in the river.

Exterior

Two gradually curved shallow stone weirs crossing the Severn. Brick-built intake channel with sluices located to the west on the downstream side with a further salmon ladder adjacent to the weir. Overflow channel further to the north.

Reasons for Listing

Listed for its special architectural interest as a well preserved example of an early 19th century weir carefully designed and constructed to enable a controlled water supply to the Montgomeryshire Canal. Important for its historic interest as an integral part of the development of a much wider system of water management and in the development of Newtown as an industrial centre in the early C19.

Other nearby listed buildings

  • II* Penarth House
    Set back from the road in its own grounds 3/4 mile South West of the junction of Pool Road with the B4389.
  • II Cilgwrgan Bridge
    Bridge spanning the River Severn on the B4389 which links the A483 with Tregynon. Located on the boundary with Newtown and Llanllwchaiarn.
  • II Aberbechan Aqueduct
    Carries the Montgomeryshire Canal over the Bechan Brook on the boundary of Llandyssil and Newtown Communities.
  • II Glan Hafren House
    At the end of a farm road off the A483 just beyond the Eastern end of the Dyffryn Industrial Estate.
  • II Barn at Glan Hafren
    At the end of a farm road off the A483 just beyond the Eastern end of the Dyffryn Industrial Estate.
  • II Cilgwrgan
    Located in a low-lying position in the Severn valley fronting the A483.
  • II Tynybitfel
    Opposite the junction with Lower Gwestydd Lane and set back from the road on rising ground.
  • II Aberbechan Bridge
    Spanning the Bechan Brook on the community boundary below the junction of the B4568 with the B4389.

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