Gutto Mill is a Grade II listed building in the Carmarthenshire local planning authority area, Wales. First listed on 5 August 2003. Mill.
Gutto Mill
- WRENN ID
- distant-plaster-raven
- Grade
- II
- Local Planning Authority
- Carmarthenshire
- Constituency
- Caerfyrddin MP: Ann Davies (PC)
- Country
- Wales
- Date first listed
- 5 August 2003
- Type
- Mill
- Address
- Gutto Mill, Pentre Ty Gwyn, Llanfair-Ar-Y-Bryn
- OS grid reference
- SN 803 350
- Coordinates
- 52.00115, -3.74496
- Source
- Cadw listing
Description
Gutto Mill is a two-storey building with an attic and a cross wing at the rear, which was formerly used for maltings. Constructed of stone and topped with slate roofs, the mill features windows that have modern glazing but respect the original openings.
The front of the building has a doorway on the left, which is a camber-headed opening with a boarded door. To the right, there is a square window and a tiny window near the ground. The upper floor has two asymmetrical windows set at the eaves. The left gable end includes a window at attic level and another at first floor level, which may have been a former door, along with a flight of stone steps.
At the rear, the single-storey cross wing has a gabled lantern on the ridge, a large window that was likely a former door, and a tiny window near the ground. The gable end of the cross wing features a small window, and the rear has a lean-to extension.
The right gable end of the main block houses the water wheel, which is of the overshot type and made from a combination of wood and iron, although it is missing its vanes.
Inside, the mill retains its original heavily built roof trusses in both the main block and the cross wing. It also preserves much of its machinery, including an iron pit wheel with wooden teeth that engages with an iron crown wheel on a wooden shaft, transferring power upwards to operate the grinding and hoisting machinery, which contains two sets of millstones, along with wooden hopper chutes.
Local climate
Gutto Mill sits in one of the wettest parts of the UK, with an average of 1,350 mm of rain a year. This makes it wetter than 96% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 89% of listed buildings.
It experiences an average of 48 freeze-thaw cycles a year, more than 89% of listed buildings. Of these, 27 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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