Barn to NW of Old House is a Grade II listed building in the Snowdonia National Park local planning authority area, Wales. First listed on 13 April 2005. Agricultural.
Barn to NW of Old House
- WRENN ID
- unlit-corridor-sage
- Grade
- II
- Local Planning Authority
- Snowdonia National Park
- Constituency
- Dwyfor Meirionnydd MP: Liz Saville Roberts (PC)
- Country
- Wales
- Date first listed
- 13 April 2005
- Type
- Agricultural
- Address
- Barn to NW of Old House, Dyffryn Ardudwy, Gwynedd
- OS grid reference
- SH 594 203
- Coordinates
- 52.76232, -4.08373
- Source
- Cadw listing
Description
The barn located to the northwest of Old House is a Grade II listed structure. Its construction features vary, with the northern elevation and the western section of the southern elevation, which has partially collapsed, made of heavy boulder masonry and small packing stones that suggest it was originally built using dry stone wall techniques. The majority of the southern elevation consists of roughly squared and mortared stonework. The barn has coped gables and a roof covered with corrugated tin sheets.
On the northern elevation, there are opposed double doors, with loft openings beneath the eaves that are offset to either side. There is also a small doorway to the right of the double doors. Inside, the remains of a stone flagged threshing floor can be found between the doorways. The barn has five bays, although one truss may be missing. It features A-frame trusses with slightly curved principals; the trusses flanking the doorways are collar trusses with heavy ties. The tie-beams on the outer trusses have been sawn off, and there is evidence of a raised roof height.
Local climate
Barn to NW of Old House 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
- No related consent applications matched
- 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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