Cart Shed and Cider Mill 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. Cart shed, cider mill.

Cart Shed and Cider Mill at Tynyllwyn

WRENN ID
twisted-lancet-reed
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
Cart shed, cider mill
Address
Cart Shed and Cider Mill at Tynyllwyn, Partrishow, the Vale of Grwyney, Powys
OS grid reference
SO 280 223
Coordinates
51.89495, -3.04764
Source
Cadw listing

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

Description

The Cart Shed and Cider Mill at Tynyllwyn is a 19th-century structure built of rubble stone with a stone tile roof. It consists of a cart shed with a narrower cider mill located behind it, along with an attached ruined lean-to on the left side. The cart shed features an open-fronted gable end facing the yard. On the left side wall, there is a large splayed buttress, a blocked doorway leading to the cider house, and a ventilation slit further left, along with an added lean-to at the left end. The right side wall contains a ruined former opening to the cider mill, which is set back behind the wall of the cart shed.

Inside, the cart shed has a tie-beam roof. The right side wall includes a raking buttress that spans its entire length and houses small beeboles. In the cider house, a ruined cider press remains in situ.

Local climate

Cart Shed and Cider Mill 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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  2. Hen house and attached wall at Tynyllwyn Grade II 36 m
  3. Barn at Tynyllwyn Grade II 45 m
  4. Cattle ramp, cobbled pavement and revetment at Tynyllwyn Grade II 54 m
  5. Byre at Tynyllwyn Grade II 58 m
  6. Tynyllwyn Grade II* 60 m
  7. Upper Revetment, Goose Cot and Stairs at Tynyllwyn Grade II 70 m
  8. Lower Revetment including Steps and Bull Cot at Tynyllwyn Grade II 75 m
  9. Pig Sty, Ty Bach and Associated Walls at Tynyllwyn Grade II 82 m
  10. Churchyard cross at Church of St Issui, Partrishow Grade II* 145 m