Ty-ffynnon Bridge over the Monmouthshire and Brecon Canal & attached revetments and Lock is a Grade II listed building in the Newport local planning authority area, Wales. First listed on 24 June 1999.
Ty-ffynnon Bridge over the Monmouthshire and Brecon Canal & attached revetments and Lock
- WRENN ID
- brooding-banister-lake
- Grade
- II
- Local Planning Authority
- Newport
- Constituency
- Newport East MP: Jessica Morden (Lab)
- Country
- Wales
- Date first listed
- 24 June 1999
- Address
- Ty-ffynnon Bridge over the Monmouthshire and Brecon Canal & attached revetments and Lock, Tynyffynnon, Bettws
- OS grid reference
- ST 296 910
- Coordinates
- 51.61425, -3.01716
- Source
- Cadw listing
Description
Ty-ffynnon Bridge is a bridge with an attached lock located over the Monmouthshire and Brecon Canal. The towpath runs along the west side of the canal. The bridge is constructed from rubble and features a segmental arch made of stone voussoirs. It has flat parapets with cement copings. The splayed revetments extend south for about 20 metres, rising towards the eastern side where the mouth of an overflow culvert is located, which runs to the east. The culvert mouth is roughly arched and also made with stone voussoirs. Almost directly opposite, there is a small segmentally arched opening that allows a drain to pass under the towpath and into a stone-lined culvert. The lock chamber is built of stone and brick, with ashlar quoins and sandstone copings. There is a later weir at the northern end, and rebates for gates are present at each end of the lock.
Local climate
Ty-ffynnon Bridge over the Monmouthshire and Brecon Canal & attached revetments and Lock receives an average of 930 mm of rain a year. This makes it wetter than 71% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 72% of listed buildings.
It experiences an average of 35 freeze-thaw cycles a year, more than 55% of listed buildings. Of these, 14 follow at least 1 mm of rain in the preceding 48 hours. Average temperatures at this location have risen by 0.3°C per decade since 1991.
Averages for 1991–2020; temperature trend 1991–2025. Figures describe the wider area (a grid cell of roughly 10 km), not the individual site. Contains modified Copernicus Climate Change Service information 2026.
More on this building
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- No EPC on record for this property
- No sale records on file
- No related consent applications matched
- Detailed attributes — period, style, materials, features
- Flood risk assessment
- Radon risk assessment
- Weather exposure and heating demand — rain and frost month by month and year by year, wind direction, solar and humidity
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Similar buildings
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- 1 Ty-ffynnon Bridge over the Monmouthshire and Brecon Canal and Lock (partly in Malpas community)
- 2 Canal bridge at Tredegar Lock on Monmouthshire and Brecon Canal
- 3 Canal bridge S of Tamplin Lock on Monmouthshire and Brecon Canal
- 4 Bridge over Tennant Canal, including towpath retaining walls and overflow channels
- 5 Bridge 149 over the Montgomeryshire Canal and Lock
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Nearby listed buildings
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- Malpas Court
- Hollybush Bridge over the Monmouthshire and Brecon Canal (partly in Malpas community)
- Hollybush Bridge over the Monmouthshire and Brecon Canal (partly in Bettws Community)
- Woodlands House
- Canal bridge S of Tamplin Lock on Monmouthshire and Brecon Canal
- Lychgate at Malpas Church
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