Ty Mawr is a Grade II listed building in the Gwynedd local planning authority area, Wales. First listed on 2 March 1998. Farmhouse.
Ty Mawr
- WRENN ID
- second-hammer-cedar
- Grade
- II
- Local Planning Authority
- Gwynedd
- Constituency
- Dwyfor Meirionnydd MP: Liz Saville Roberts (PC)
- Country
- Wales
- Date first listed
- 2 March 1998
- Type
- Farmhouse
- Address
- Ty Mawr, Llangwnnadl, Pwllheli, Tudweiliog
- OS grid reference
- SH 194 327
- Coordinates
- 52.8618, -4.68411
- Source
- Cadw listing
Description
Ty Mawr is a farmhouse constructed with unpainted stucco over rubble stone. It features a slate close-eaved roof with stone stacks at the ends. The building is two storeys high and has a three-window front that is offset to the right. The windows are hornless 16-pane sashes, and there is a half-glazed door. The left end wall is made of rubble stone and has one small window. The rear wall is also rubble, with two 16-pane sashes on the first floor and a small window on the ground floor to the left.
To the right of the farmhouse is a single-storey outbuilding that has two windows and a door. It includes a small brick stack at the right end and a lean-to on the end wall, which has a loft window above. The rear of this outbuilding features a central door and a small window to the left. Additionally, there is a further gabled outbuilding attached to the rear left corner of the farmhouse, which runs back at right angles and has opposing doors with slab lintels.
Local climate
Ty Mawr sits in one of the wettest parts of the UK, with an average of 1,460 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 99% of listed buildings.
It averages fewer than one freeze-thaw cycle a year. Average temperatures at this location have risen by 0.2°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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