Llangenny Bridge is a Grade II listed building in the Brecon Beacons National Park local planning authority area, Wales. First listed on 19 July 1963. Bridge. 4 related planning applications.

Llangenny Bridge

WRENN ID
fossil-eave-curlew
Grade
II
Local Planning Authority
Brecon Beacons National Park
Constituency
Brecon, Radnor and Cwm Tawe MP: David Chadwick (LD)
Country
Wales
Date first listed
19 July 1963
Type
Bridge
Address
Llangenny Bridge, the Vale of Grwyney, Powys, NP8 1HD
OS grid reference
SO 240 179
Coordinates
51.85503, -3.10421
Source
Cadw listing

Also on this page: sale history · EPC · related consents · flood risk · radon risk · weather exposure · detailed attributes ↓

Description

This is a late 18th century single-carriageway bridge, built of rubble sandstone. The bridge is ramped to its centre and features a segmental arch constructed with thin voussoirs. The spandrels are punctuated by round openings. A low parapet, featuring flat copings (which have been replaced on the western side), runs along the bridge. The eastern parapet extends with the abutments.

Local climate

Llangenny Bridge sits in a wetter-than-average part of the UK, with an average of 1,020 mm of rain a year. This makes it wetter than 81% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 71% of listed buildings.

It experiences an average of 50 freeze-thaw cycles a year, more than 92% of listed buildings. Of these, 27 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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  • Full EPC report — heating system, energy costs, size, glazing, construction etc.
  • Sale history — 1 transaction since 2024
  • Related listed building consents — 4 applications
  • 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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Nearby listed buildings

  1. Drinking Fountain Grade II 108 m
  2. 2 Church Cottages Grade II 161 m
  3. Lych Gate at church of St Cenau, Llangenny Grade II 167 m
  4. 1 Church Cottages Grade II 167 m
  5. Llangenny School Grade II 170 m
  6. Pair of Parry family tombs in churchyard of St Cenau, Llangenny Grade II 175 m
  7. Sundial in churchyard of St Cenau, Llangenny Grade II 182 m
  8. Golden Grove Grade II 187 m
  9. Church of St Cenau, Llangenny Grade II* 193 m
  10. Tomb of Martyn Roberts in churchyard of St Cenau, Llangenny Grade II 203 m