Woollen Mill, Kilmahog is a Grade C listed building in the Loch Lomond and the Trossachs National Park local planning authority area, Scotland. First listed on 6 September 1979. Woollen mill.
Woollen Mill, Kilmahog
- WRENN ID
- third-wall-amber
- Grade
- C
- Local Planning Authority
- Loch Lomond and the Trossachs National Park
- Constituency
- Stirling and Strathallan MP: Chris Kane (Lab)
- Country
- Scotland
- Date first listed
- 6 September 1979
- Type
- Woollen mill
- OS grid reference
- NN 611 082
- Coordinates
- 56.24649, -4.24276
- Source
- Historic Environment Scotland listing
Description
The complex comprises a woollen mill, altered and extended, likely dating back to the 18th century, with significant additions from the 20th century. It includes a rectangular, single-storey and attic, gable-ended office block, joined to a pair of larger, gabled blocks built in 1965 and 1969, and a single-storey, 19th-century former weaving shed that has also been altered. A notable feature is the survival of a running lade, a sluice gate, and a 14-foot under-shot timber and iron water wheel with gearings.
The complex’s layout has been changed over time, but the sluice gate, water wheel, and gearings remain important elements. Originally, the main road ran behind the mill alongside the lade, but in the 20th century it was re-orientated to the south, creating a car park for tourists. The mill’s entrance is now through a late 20th-century extension connecting the original office block to the former weaving shed.
On the north elevation, which was originally the principal façade, the three gabled office blocks are positioned along the lade. A walkway, incorporating the sluice gate, provides access over the lade. The sluice opening passes under the walkway to a raceway that feeds the water wheel. The wheel, with six spokes and a low-breast shrouded-paddle design, is mounted against a lean-to housing the gearings, with the sluice rejoining the lade afterwards. Both the lean-to and a section of the former weaving shed are built over the lade. Recent repairs in 2004 suggest the wheel is still potentially functional, though it was last used around 2003. A demonstration handloom was at one time powered by the wheel as a tourist attraction. The sluice gate is currently unusable due to its poor condition.
Internally, the spaces have been reconfigured for commercial use. A stone forestair leading to the attic of the office block remains, now enclosed within a modern wing. Within the weaving shed, machinery remains mounted to the ceiling. The building is constructed from random rubble with modern timber sash windows. Roofs are covered with grey slate, pitched over the gabled sections and piended over the weaving shed.
Local climate
Woollen Mill, Kilmahog sits in one of the wettest parts of the UK, with an average of 1,440 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 79% of listed buildings.
It experiences an average of 59 freeze-thaw cycles a year, more than 98% of listed buildings. Of these, 36 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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