Full Report for Listed Buildings
Summary Description of a Listed Buildings
Reference Number
23957
Building Number
Grade
II
Status
Designated
Date of Designation
30/08/2000
Date of Amendment
31/01/2003
Name of Property
Canal Tunnel between Sebastopol and Cwmbran, including attached revetment walls
Address
Location
Unitary Authority
Torfaen
Community
Pontnewydd
Town
Locality
Five Locks
Easting
328749
Northing
197361
Street Side
Location
On Monmouthshire & Brecon Canal, about 450m north of Five Locks Road.
Description
Broad Class
Industrial
Period
History
Late C18 canal tunnel on the Monmouthshire Canal. Built by Thomas Dadford Junior 1792-9, the canal ran between Newport and Pontnewynydd, with a branch between Crindau and Crumlin. There were 3 tunnels on the main line of the canal, 2 at Newport, and this to the north of Cwmbran.
Exterior
Canal tunnel, brown stone. The south portal has semi-circular arch with keystone, and is in coursed squared stone; walls extend southwards, at right angles from the portal on both sides. The north portal is similar to the south portal (but the keystone is less prominent), with attached wall at right angles. The tunnel is around 70m long, and is lined in stone.
Interior
Reason for designation
Late C18 structure on canal which was a prime factor in the industrial development of the Gwent Valleys.
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