Ty'n-y-llan is a Grade II listed building in the Powys local planning authority area, Wales. First listed on 31 December 2002. House.

Ty'n-y-llan

WRENN ID
hollow-foundation-stoat
Grade
II
Local Planning Authority
Powys
Constituency
Montgomeryshire and Glyndwr MP: Steve Witherden (Lab)
Country
Wales
Date first listed
31 December 2002
Type
House
Address
Ty'n-y-llan, Foel, Banwy
OS grid reference
SH 985 119
Coordinates
52.69554, -3.50301
Source
Cadw listing

Also on this page: flood risk · radon risk · weather exposure · detailed attributes ↓

Description

Ty'n-y-llan is a two-storey house made up of three units, constructed from axe-dressed slate with a slate roof and a tile ridge. The house is oriented north/south and faces east towards a small enclosed yard. There is a small front extension on the central unit, which is covered by a catslide projection of the main roof. At the rear, there is a gabled wing attached to the central unit, featuring a brick-capped stone end-chimney. Additionally, there is a brick-capped chimney at the south gable and another chimney, which is rendered and brick-capped, located between the south and central units.

The house retains small-pane windows typical of the 19th century, including several iron windows at both the front and rear. The doors are modern.

Attached to the north end of the house are single-storey outbuildings made from similar materials. There is also a detached single-storey outbuilding from the 19th century (pre-1886) located to the east of the yard, which features a brick chimney.

The interior has not been seen.

Local climate

Ty'n-y-llan sits in a wetter-than-average part of the UK, with an average of 1,110 mm of rain a year. This makes it wetter than 88% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 80% of listed buildings.

It experiences an average of 48 freeze-thaw cycles a year, more than 90% of listed buildings. Of these, 28 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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  • Detailed attributes — period, style, materials, features
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  • Radon risk assessment
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