Full Report for Listed Buildings
The list description is not intended to be a complete inventory of what is listed: it is principally intended to aid identification. By law, the definition of a listed building includes the entire building (i) and any structure or object that is fixed to the said building and ancillary to it and (ii) any other structure or object that forms part of the land and has done so since before 1 July 1948, and was within the curtilage of the building, and ancillary to it, on the date on which said building was first included in the list, or on 1 January 1969, whichever was later.
Summary Description
Reference Number
87648
Building Number
Grade
II
Status
Designated
Date of Designation
20/03/2012
Date of Amendment
20/03/2012
Name of Property
Penarth Feeder Weir
Address
Location
Unitary Authority
Powys
Community
Newtown and Llanllwchaiarn
Town
Locality
Llanllwchaiarn
Easting
313982
Northing
292657
Street Side
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.
Description
Broad Class
Period
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.
Interior
Reason for designation
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.
Cadw : Full Report for Listed Buildings [ Records 1 of 1 ]
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