Barn (2) at Gerrdi Bluog 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 (2) at Gerrdi Bluog

WRENN ID
tilted-crypt-sorrel
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 (2) at Gerrdi Bluog, Llanfair, Gwynedd
OS grid reference
SH 619 308
Coordinates
52.85702, -4.05222
Source
Cadw listing

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

Description

This is an 18th-century barn constructed from rubble masonry, featuring a slate roof with a tiled ridge and stone copings. On the south lateral wall, there is a doorway positioned to the left at the west end, and a central door with tulip-headed hinges is located in the east gable. Additionally, there is a pitching hole in the apex of the west gable.

The roof consists of three bays supported by early 20th-century collared trusses, and the floor is made of stone slabs.

Local climate

Barn (2) at Gerrdi Bluog sits in one of the wettest parts of the UK, with an average of 1,490 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 97% of listed buildings.

It experiences an average of 32 freeze-thaw cycles a year, fewer than 60% of listed buildings. Of these, 15 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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