Barn at Clenennau is a Grade II listed building in the Snowdonia National Park local planning authority area, Wales. First listed on 19 October 1971. Barn.

Barn at Clenennau

WRENN ID
hollow-lime-quill
Grade
II
Local Planning Authority
Snowdonia National Park
Constituency
Dwyfor Meirionnydd MP: Liz Saville Roberts (PC)
Country
Wales
Date first listed
19 October 1971
Type
Barn
Address
Barn at Clenennau, Golan, Dolbenmaen, Gwynedd
OS grid reference
SH 531 424
Coordinates
52.95952, -4.18735
Source
Cadw listing

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

Description

The barn at Clenennau is a Grade II listed structure built from boulders and rubble stonework, topped with a slate roof. It features central opposed doors, with the western door having a lower lintel, and a small door located at the northern end. Long ventilation slits are present in the barn section. At the southern end, there is an upper floor granary accessed by a substantial external stone stair on the eastern side, along with a door leading to the lower room in the gable end.

The roof consists of seven bays supported by queen post trusses, likely dating from the 17th century. These trusses have cambered collars, and the principals are trenched for two tiers of purlins, which have been replaced by the current three tiers. On the soffit of the ties, there is a mortice for an angled brace, indicating that the original structure may have been timber framed. The torching under the slates is dated to the year of grace 1838, associated with the Griffiths family. Additionally, against the southern gable wall, there is a re-used moulded and brattished beam, and an internal division separates the southern end from the main barn.

Local climate

Barn at Clenennau sits in one of the wettest parts of the UK, with an average of 1,550 mm of rain a year. This makes it wetter than 99% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 99% of listed buildings.

It experiences an average of 20 freeze-thaw cycles a year, fewer than 79% of listed buildings. Of these, 8 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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Nearby listed buildings

  1. Clenennau Grade II* 39 m
  2. Outfield yard group at Clenennau Grade II 191 m
  3. Pont Brynkir Grade II 1.0 km
  4. Twr Gwynllan Grade II 1.3 km
  5. Lodge Bridge Grade II 1.5 km
  6. Lodge, formerly for Brynkir Grade II 1.5 km
  7. Milestone Grade II 1.6 km
  8. Cowhouse at Isallt-fawr Grade II 1.9 km
  9. Carthouse, Stable and Granary at Isallt-fawr Grade II 1.9 km
  10. Isallt-fawr Grade II 1.9 km