Yr Uncorn is a Grade II listed building in the Isle of Anglesey local planning authority area, Wales. First listed on 20 May 1998. House. 1 related planning application.
Yr Uncorn
- WRENN ID
- stubborn-chamber-starling
- Grade
- II
- Local Planning Authority
- Isle of Anglesey
- Constituency
- Ynys Môn MP: Llinos Medi (PC)
- Country
- Wales
- Date first listed
- 20 May 1998
- Type
- House
- Address
- Yr Uncorn, Llanidan
- OS grid reference
- SH 480 654
- Coordinates
- 53.16448, -4.2749
- Source
- Cadw listing
Description
Yr Uncorn is a two-storey building featuring a three-window range with irregular openings and a two-storey rear wing. The walls are made of limewashed rubble, and the main part has a thin slate roof with coped gables and stone end-wall stacks. The rear wing has a green slate roof laid to diminishing courses and a gable end chimney.
The central entrance has a door with an open porch that has a hipped slate roof and feathered eaves supported by wooden piers. On the ground floor, there is a single window to the right (north) and two windows to the left (south). The first floor has three small windows placed irregularly, along with a slit window at the right end (south). All windows are sashes, featuring four vertical panes in the upper light and a single pane in the lower, along with pierced timber shutters.
Local climate
Yr Uncorn sits in one of the wettest parts of the UK, with an average of 1,190 mm of rain a year. This makes it wetter than 91% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 95% of listed buildings.
It experiences an average of 16 freeze-thaw cycles a year, fewer than 84% of listed buildings. Of these, 6 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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