Barn at Llandanwg is a Grade II listed building in the Snowdonia National Park local planning authority area, Wales. First listed on 23 May 2003. Barn. 1 related planning application.

Barn at Llandanwg

WRENN ID
hidden-sandstone-rush
Grade
II
Local Planning Authority
Snowdonia National Park
Constituency
Dwyfor Meirionnydd MP: Liz Saville Roberts (PC)
Country
Wales
Date first listed
23 May 2003
Type
Barn
Address
Barn at Llandanwg, Llanfair, Gwynedd, LL46 2SD
OS grid reference
SH 573 293
Coordinates
52.84299, -4.11873
Source
Cadw listing

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

Description

The barn at Llandanwg is a field barn constructed from boulders, featuring a slate roof with a tiled ridge and stone copings. It has a single doorway located in the southwest gable and a pitching hole positioned in the apex of the northeast gable. The interior was not inspected during the survey.

Local climate

Barn at Llandanwg sits in one of the wettest parts of the UK, with an average of 1,460 mm of rain a year. This makes it wetter than 98% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 96% of listed buildings.

It experiences an average of 31 freeze-thaw cycles a year, fewer than 62% of listed buildings. Of these, 14 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
  • No sale records on file
  • Related listed building consents — 1 application
  • 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. Hammel at Llandanwg Grade II 40 m
  2. Tan y Buarth and Prysg Grade II 320 m
  3. Ty Mawr Grade II 435 m
  4. Sundial at the Church of St Mary Grade II 463 m
  5. Church of St Mary Grade II* 474 m
  6. Ty'n Llan Grade II 488 m
  7. Outbuilding to rear of Ty'n Llan Grade II 494 m
  8. Small animal shed at Groes Las Grade II 515 m
  9. Llanfair-Isaf Farmhouse Grade II* 538 m
  10. Farm-buildings at Groes Las Grade II 539 m