Full Report for Listed Buildings
Summary Description of a Listed Buildings
Reference Number
11201
Building Number
Grade
II
Status
Designated
Date of Designation
26/10/1979
Date of Amendment
28/10/2003
Name of Property
Trebannws Multi-Overflow & Outlet Sluice from the Swansea Canal
Address
Location
Unitary Authority
Neath Port Talbot
Community
Pontardawe
Town
Locality
Easting
271255
Northing
202774
Street Side
Location
Situated in Trebannws on the NE side of Craig-y-duke between the Swansea and the Afon Tawe
Description
Broad Class
Transport
Period
History
Late C18 staircase of sandstone weirs built in steps below the Swansea Canal in order to take surplus water from the canal to the River Tawe after periods of rain and during periods of canal drainage. The surplus canal water from the overflow and outlet was used in C19 for power for the Pheasant Bush tinplate works.
Exterior
Outlet sluice and overflow, small sandstone weirs in steps from Swansea Canal to Afon Tawe. At the top of the weirs, adjoining the tow path on the SE side is a 2-bay primary overflow chamber, said to be partly timber-lined with connecting ground sluice with working paddle gear to the north. Since 1979 this area has been partially covered and C20 control machinery inserted. The secondary overflow above the weir remains
Interior
Reason for designation
Listed as a late C18 overflow and sluice of historic importance on this major canal.
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