Hay Barn at Maesllymystyn Farm is a Grade II listed building in the Powys local planning authority area, Wales. First listed on 31 December 2002. Hay barn.

Hay Barn at Maesllymystyn Farm

WRENN ID
kindled-bonework-sedge
Grade
II
Local Planning Authority
Powys
Constituency
Montgomeryshire and Glyndwr MP: Steve Witherden (Lab)
Country
Wales
Date first listed
31 December 2002
Type
Hay barn
Address
Hay Barn at Maesllymystyn Farm, Banwy
OS grid reference
SH 970 116
Coordinates
52.6926, -3.52404
Source
Cadw listing

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

Description

The hay barn at Maesllymystyn Farm is a four-bay structure that is open on the sides and ends. It is built on stone piers using local axe-dressed gritstone masonry arranged in large irregular courses. The roof is made of corrugated sheets. At each end of the barn, the two piers are connected by a semi-circular stone arch.

Local climate

Hay Barn at Maesllymystyn Farm sits in a wetter-than-average part of the UK, with an average of 1,110 mm of rain a year. This makes it wetter than 88% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 80% of listed buildings.

It experiences an average of 48 freeze-thaw cycles a year, more than 90% of listed buildings. Of these, 28 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
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  • 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. North Range of Farmyard Buildings at Maesllymystyn Grade II 20 m
  2. West Range of Farmyard Buildings at Maesllymystyn with Coach-house, Stable, Haybarn and Granary Grade II 26 m
  3. Maesllymystyn farmhouse Grade II 37 m
  4. East Range of Farmyard Buildings at Maesllymystyn Grade II 39 m
  5. South Range of Farmyard Buildings at Maesllymystyn Grade II 48 m
  6. Milestone near Dyffryn Restaurant Grade II 979 m
  7. Milestone near Wern Farmyard Grade II 1.0 km
  8. Ty'n-y-llan Grade II 1.5 km
  9. Parish Church of St Tydecho, Foel Grade II 1.5 km
  10. Lletypiod and Tynewydd Grade II 2.0 km