Plas Wrin is a Grade II listed building in the Powys local planning authority area, Wales. First listed on 8 January 1976. House.

Plas Wrin

WRENN ID
salt-quoin-sorrel
Grade
II
Local Planning Authority
Powys
Constituency
Montgomeryshire and Glyndwr MP: Steve Witherden (Lab)
Country
Wales
Date first listed
8 January 1976
Type
House
Address
Plas Wrin, Llanwrin, Glantwymyn
OS grid reference
SH 786 034
Coordinates
52.61547, -3.79426
Source
Cadw listing

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

Description

Plas Wrin is a two-storey house built in a square plan, featuring a centrally placed valley. The entrance front faces east and has three windows, while the garden front to the south has two windows. The house is constructed of whitewashed stone and topped with a hipped slate roof, which includes stone stacks and overhanging boarded eaves. The central doorway is flanked by panelled pilasters that support a cornice on brackets, and it features panelled reveals. The entrance has half-glazed panelled double doors with margin lights. The windows are hornless sash windows, with 12 panes on the ground floor and 3-over-6 panes on the first floor, all set under stone voussoirs. Notably, the right-hand ground floor window has horns. The garden front mirrors the sash windows and includes a small central niche.

The house was recorded in 1976 and contains many contemporary fittings inside. A centrally placed staircase leads from the entrance hall to the attic, featuring a scrolled outer string, slender square balusters, and moulded handrails that terminate in scrolls. The interior includes semi-elliptical arches, panelled doors, and some doorways with panelled reveals, including a six fielded panelled door to the attic. The window openings have shutters and panelled lintels. The kitchen likely originates from an earlier structure and features part of a double ceiling of 18th-century type with joists of thin scantling.

Local climate

Plas Wrin sits in one of the wettest parts of the UK, with an average of 1,280 mm of rain a year. This makes it wetter than 94% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 91% of listed buildings.

It experiences an average of 38 freeze-thaw cycles a year, more than 73% of listed buildings. Of these, 20 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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