Tanhouse Bridge is a Grade II listed building in the Powys local planning authority area, Wales. First listed on 19 September 2002. Bridge.

Tanhouse Bridge

WRENN ID
plain-bracket-acorn
Grade
II
Local Planning Authority
Powys
Constituency
Montgomeryshire and Glyndwr MP: Steve Witherden (Lab)
Country
Wales
Date first listed
19 September 2002
Type
Bridge
Address
Tanhouse Bridge, Tan-Y-Ffridd, Llangyniew
OS grid reference
SJ 121 102
Coordinates
52.68268, -3.30149
Source
Cadw listing

Also on this page: flood risk · radon risk · weather exposure · detailed attributes ↓

Description

Tanhouse Bridge is a single arch bridge constructed from coursed masonry. The arch is segmental and spans approximately 6 meters. Each face of the arch features an enlarged keystone that connects to a square string course. The bridge has low parapets on either side, topped with flat coping stones, and there are piers at each corner.

Local climate

Tanhouse Bridge receives an average of 950 mm of rain a year. This makes it wetter than 73% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 67% of listed buildings.

It experiences an average of 39 freeze-thaw cycles a year, more than 76% of listed buildings. Of these, 20 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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  • 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. Tan-y-ffridd Grade II 92 m
  2. Ty-mawr Farmhouse Grade II 943 m
  3. Ffordd Banwy (Old Rectory) Grade II 1.2 km
  4. Church of St Cynyw Grade II* 1.3 km
  5. Pont-y-Ffatri (partly in Meifod Community) Grade II 1.5 km
  6. Pont-y-Ffatri (partley in Llangyniew Community) Grade II 1.5 km
  7. Farm building at Henllan Grade II 1.5 km
  8. Henllan Grade II 1.6 km
  9. Henllan-fach Grade II 1.9 km
  10. Farm Building at Dolobran including Link Wall to House Grade II 2.1 km