Ty'n Twll is a Grade II listed building in the Gwynedd local planning authority area, Wales. First listed on 21 July 1999. Farmhouse. 1 related planning application.
Ty'n Twll
- WRENN ID
- low-hearth-lark
- Grade
- II
- Local Planning Authority
- Gwynedd
- Constituency
- Dwyfor Meirionnydd MP: Liz Saville Roberts (PC)
- Country
- Wales
- Date first listed
- 21 July 1999
- Type
- Farmhouse
- Address
- Ty'n Twll, Croesywaun, Caernarfon, Waunfawr
- OS grid reference
- SH 519 600
- Coordinates
- 53.11702, -4.21315
- Source
- Cadw listing
Description
Ty'n Twll is a 2-storey, 3-bay farmhouse dating from the 19th century, with a long rectangular cowhouse attached to the right gable end. The farmhouse is built from regularly coursed rubblestone blocks, which are rendered on the right gable end, while the cowhouse features smaller and more roughly coursed stone. The farmhouse has a graded slate roof, and the cowhouse has a corrugated iron roof.
The front of the farmhouse has three windows, all of which are 4-paned sashes with slate cills. There is a 4-panel door located under a mid-19th century gabled timber porch that has trellis work decoration and a slate roof. The farmhouse also has integral end stacks with slate drips. The rear wall features 20th-century windows on the left side of both floors, along with a 9-paned sash window on the upper right.
The cowhouse includes boarded doors on the left, center, and right, alternating with windows, and has a blocked doorway situated between the left and center doors. The interior of the farmhouse was not accessible during the survey, but it seems to retain much of its original character. The cowhouse features A-frame trusses.
Local climate
Ty'n Twll sits in one of the wettest parts of the UK, with an average of 1,380 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 98% of listed buildings.
It experiences an average of 25 freeze-thaw cycles a year, fewer than 73% of listed buildings. Of these, 12 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
- Related listed building consents — 1 application
- 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
Matched applications, energy data and sale records are assembled automatically and may contain errors. Flag incorrect data.
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