Ty'n-y-llan is a Grade II listed building in the Powys local planning authority area, Wales. First listed on 23 May 2003. Farmhouse.
Ty'n-y-llan
- WRENN ID
- quartered-trefoil-hyssop
- Grade
- II
- Local Planning Authority
- Powys
- Constituency
- Montgomeryshire and Glyndwr MP: Steve Witherden (Lab)
- Country
- Wales
- Date first listed
- 23 May 2003
- Type
- Farmhouse
- Address
- Ty'n-y-llan, Hirnant, Pen-Y-Bont-Fawr
- OS grid reference
- SJ 050 229
- Coordinates
- 52.79546, -3.41018
- Source
- Cadw listing
Description
Ty'n-y-llan is a two-unit farmhouse built from uncoursed axe-dressed slate, painted white at the front except for the chimneys. It features a restored slate roof with a tile ridge, and the end chimneys are capped in concrete. At the back, there is a central wing with an end chimney. To the left of the house, there is a range that includes two garages, also made of white-painted stone, with a restored slate roof and boarded doors. On the right side of the house, there is a lean-to.
The front elevation has two windows with a central door, arranged symmetrically but with the windows slightly offset to the right. The two-casement windows have 12 panes each and are nearly the same size; the upper windows are now designed as lean-to roofed through-eaves dormers with slate-hung sides. The lower windows have timber lintels and no sills. The front door is semi-glazed and panelled, set within an open porch that has a slate canopy supported by turned and fluted timber posts.
Local climate
Ty'n-y-llan sits in a wetter-than-average part of the UK, with an average of 1,040 mm of rain a year. This makes it wetter than 84% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 72% of listed buildings.
It experiences an average of 50 freeze-thaw cycles a year, more than 91% of listed buildings. Of these, 30 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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