Glanaber is a Grade II listed building in the Powys local planning authority area, Wales. First listed on 2 March 2004. House. 1 related planning application.
Glanaber
- WRENN ID
- far-vestry-acorn
- Grade
- II
- Local Planning Authority
- Powys
- Constituency
- Montgomeryshire and Glyndwr MP: Steve Witherden (Lab)
- Country
- Wales
- Date first listed
- 2 March 2004
- Type
- House
- Address
- Glanaber, Llansantffraid-Ym-Mechain Village, Llansantffraid, SY22 6AH
- OS grid reference
- SJ 219 204
- Coordinates
- 52.77565, -3.15862
- Source
- Cadw listing
Description
Glanaber is a three-storey house built in the 18th century, forming a pair with Llwyn Onn. The houses present a slightly irregular five-window facade. The exterior is white-painted Flemish bond brickwork, with window and sill details in rubbed brick and stone, respectively. The top floor features eight-pane horizontally sliding sash windows, while the first and ground floors have sixteen-pane hornless sash windows. Each house has a door sheltered by a slate-roofed porch and canopy.
The brickwork of Glanaber appears less weathered and more regular than that of Llwyn Onn, indicating it may have been built later to emulate the style of its neighbour. Glanaber is narrower than Llwyn Onn and lacks a dentil cornice. The interior is currently unexamined.
Local climate
Glanaber receives an average of 890 mm of rain a year. This makes it wetter than 66% of listed buildings in the UK. Its exposure to wind-driven rain is lower than that of 56% of listed buildings.
It experiences an average of 43 freeze-thaw cycles a year, more than 84% of listed buildings. Of these, 24 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 — 4 transactions since 1998
- 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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