Glandwr is a Grade II listed building in the Powys local planning authority area, Wales. First listed on 18 February 2005. House.
Glandwr
- WRENN ID
- third-keystone-rain
- Grade
- II
- Local Planning Authority
- Powys
- Constituency
- Montgomeryshire and Glyndwr MP: Steve Witherden (Lab)
- Country
- Wales
- Date first listed
- 18 February 2005
- Type
- House
- Address
- Glandwr, Llawr Y Glyn, Trefeglwys
- OS grid reference
- SN 932 911
- Coordinates
- 52.50818, -3.57445
- Source
- Cadw listing
Description
Glandwr is a pair of mirrored 2-window, 2-storey cottages with basements, known as Min y Nant on the left and Glandwr on the right. They are built from random stone with quoins and feature slate-hung fronts under a slate roof, which has a shared brick ridge stack and cusped barge boards on the gable ends. The entrances are slightly raised above road level. The openings have segmental heads, with the windows primarily being small-pane wooden casements. Each cottage has a panelled door with an overlight on the outer side and a 3-light casement window towards the centre. On the first floor, each cottage has a similar 3-light casement aligned towards the centre, along with a 2-light casement with a fan-light on the outer side. The rear of each cottage features a 3-light small-pane wooden casement under a segmental stone head on the upper storey, while the ground floor is not visible.
In front of the cottages, there are forecourt walls made of random stone with saddle-back brick copings, topped with narrow iron railings that have arched tops. These retaining walls enclose small gardens, and stone steps lead up to the entrances.
Glandwr includes a basement storey accessed by a doorway on the gable end. To the left of this doorway is a 20th-century plain-glazed 3-light wooden casement. A similar window has been added to the front elevation, cutting through the forecourt wall.
The interior has not been seen during the resurvey.
Local climate
Glandwr sits in one of the wettest parts of the UK, with an average of 1,200 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 85% of listed buildings.
It experiences an average of 51 freeze-thaw cycles a year, more than 92% 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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- Full EPC report — heating system, energy costs, size, glazing, construction etc.
- Sale history — 3 transactions since 2006
- 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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