Pigsty group at Nant-Caw-fawr is a Grade II listed building in the Snowdonia National Park local planning authority area, Wales. First listed on 10 April 2000. Agricultural building.

Pigsty group at Nant-Caw-fawr

WRENN ID
knotted-lancet-sage
Grade
II
Local Planning Authority
Snowdonia National Park
Constituency
Dwyfor Meirionnydd MP: Liz Saville Roberts (PC)
Country
Wales
Date first listed
10 April 2000
Type
Agricultural building
Address
Pigsty group at Nant-Caw-fawr, Llanfihangel-Y-Pennant, Gwynedd
OS grid reference
SH 653 093
Coordinates
52.66533, -3.99195
Source
Cadw listing

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

Description

The Pigsty group at Nant-Caw-fawr is a building constructed from local rubble stone and topped with slate roofs. It features two short parallel blocks connected at the back by a lower roof that covers the pig sties. The block on the right seems to be used for feed preparation and includes a lean-to at the front, situated within a long rectangular walled yard. The left block appears to function as a workshop, which was once powered by a waterwheel located in a channel against the rear gable. This block has a boarded door in the gable end and a small paned window. There is a mid-wall opening at the rear that likely supported the bearing of the wheel. The two pig sties are arranged with an external gate leading to the run, and the wall of this run aligns with the gable of the workshop.

Local climate

Pigsty group at Nant-Caw-fawr sits in one of the wettest parts of the UK, with an average of 1,390 mm of rain a year. This makes it wetter than 97% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 95% of listed buildings.

It experiences an average of 28 freeze-thaw cycles a year, fewer than 69% of listed buildings. Of these, 13 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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