Long Bridge is a Grade II listed building in the Powys local planning authority area, Wales. First listed on 10 April 1989. Bridge.
Long Bridge
- WRENN ID
- north-lantern-birch
- Grade
- II
- Local Planning Authority
- Powys
- Constituency
- Montgomeryshire and Glyndwr MP: Steve Witherden (Lab)
- Country
- Wales
- Date first listed
- 10 April 1989
- Type
- Bridge
- Address
- Long Bridge, Llanidloes
- OS grid reference
- SN 954 847
- Coordinates
- 52.45107, -3.53926
- Source
- Cadw listing
Description
Long Bridge is a 3-arched bridge featuring gently ramped sections made of coursed rubble masonry. It has segmental arches with a band course above. The upstream side has low rubble cutwaters. The older part of the bridge has a rubble soffit, while the modern section is finished in concrete. The parapets and pedestrian pavements were added during the widening of the bridge and include inscribed tablets on both sides. At each end, there are stepped-out terminating piers. On the south bank, the west side of the parapet continues slightly ramped before stepping up and sweeping around the corner to connect with the footpath at the end of Long Bridge Street. On the east side, the line of the Old Bridge curves outward, with a rubble wall extending beyond a pier and ramping down towards the pavement. On the north bank, the listing ends at the western side of the bridge, while on the eastern side, the line of the old bridge curves slightly outwards to terminate in a pier at the road along the bank.
Local climate
Long Bridge sits in one of the wettest parts of the UK, with an average of 1,160 mm of rain a year. This makes it wetter than 90% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 81% of listed buildings.
It experiences an average of 50 freeze-thaw cycles a year, more than 91% of listed buildings. Of these, 29 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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