Tan-Hafotty is a Grade II listed building in the Gwynedd local planning authority area, Wales. First listed on 28 May 1999. Cottage.
Tan-Hafotty
- WRENN ID
- vacant-lime-tarn
- Grade
- II
- Local Planning Authority
- Gwynedd
- Constituency
- Dwyfor Meirionnydd MP: Liz Saville Roberts (PC)
- Country
- Wales
- Date first listed
- 28 May 1999
- Type
- Cottage
- Address
- Tan-Hafotty, Llanberis, Caernarfon
- OS grid reference
- SH 560 610
- Coordinates
- 53.12684, -4.15264
- Source
- Cadw listing
Description
Tan-Hafotty is a single-storey cottage with an attached cowhouse. The original part of the house is on the right, while the cowhouse to the left has been converted for domestic use and replaced by a new cowhouse attached to the left gable end. The building features limewashed rubblestone and has a graded slate roof on the original structure, with a Victorian slate roof on the later cowhouse.
The original house part includes four-paned sash windows with slate cills on either side of a slightly off-set boarded door. There is an integral end stack to the right and a ridge stack to the left at the junction with the original cowhouse, both equipped with slate drips. The original cowhouse has a boarded door on the left and a boarded-up window to its right, along with boarded doors at the front of the later cowhouse.
Inside, the single large room to the right of the ridge stack features an exposed A-frame truss and a large open fireplace with a timber lintel at the end stack. The smaller room to the left has a chimney breast that projects into the room. The floors are finished with slate and quarry tiles.
Local climate
Tan-Hafotty 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
- Sale history — 1 transaction since 2004
- 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
Matched applications, energy data and sale records are assembled automatically and may contain errors. Flag incorrect data.
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