Upper Revetment, Goose Cot and Stairs at Tynyllwyn is a Grade II listed building in the Brecon Beacons National Park local planning authority area, Wales. First listed on 19 November 1998. Revetment wall.

Upper Revetment, Goose Cot and Stairs at Tynyllwyn

WRENN ID
long-pediment-vermeil
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 November 1998
Type
Revetment wall
Address
Upper Revetment, Goose Cot and Stairs at Tynyllwyn, Partrishow, the Vale of Grwyney, Powys
OS grid reference
SO 280 223
Coordinates
51.89516, -3.04667
Source
Cadw listing

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

Description

The Upper Revetment, Goose Cot, and Stairs at Tynyllwyn is a rubble-stone revetment wall featuring stone steps at the western end, next to the house. At the eastern end, there is a short return that includes a stone trough with a grooved runner and stone steps to the right. Additionally, at the western end, outside the eastern wing of the house, there is a goose cot made of stone slabs.

Local climate

Upper Revetment, Goose Cot and Stairs at Tynyllwyn receives an average of 940 mm of rain a year. This makes it wetter than 72% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 65% of listed buildings.

It experiences an average of 49 freeze-thaw cycles a year, more than 90% of listed buildings. Of these, 25 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.

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Nearby listed buildings

  1. Tynyllwyn Grade II* 10 m
  2. Lower Revetment including Steps and Bull Cot at Tynyllwyn Grade II 11 m
  3. Pig Sty, Ty Bach and Associated Walls at Tynyllwyn Grade II 12 m
  4. Cattle ramp, cobbled pavement and revetment at Tynyllwyn Grade II 19 m
  5. Byre at Tynyllwyn Grade II 28 m
  6. Barn at Tynyllwyn Grade II 30 m
  7. Hen house and attached wall at Tynyllwyn Grade II 37 m
  8. Stable at Tynyllwyn Grade II 38 m
  9. Cart Shed and Cider Mill at Tynyllwyn Grade II 70 m
  10. Churchyard cross at Church of St Issui, Partrishow Grade II* 194 m