The Great House is a Grade II listed building in the Powys local planning authority area, Wales. First listed on 30 June 1992. House.
The Great House
- WRENN ID
- kindled-slate-sienna
- Grade
- II
- Local Planning Authority
- Powys
- Constituency
- Brecon, Radnor and Cwm Tawe MP: David Chadwick (LD)
- Country
- Wales
- Date first listed
- 30 June 1992
- Type
- House
- Address
- The Great House, Llangunllo
- OS grid reference
- SO 212 712
- Coordinates
- 52.33349, -3.15741
- Source
- Cadw listing
Description
The Great House is a two-storey building from the 18th century, featuring a combination of rubble stone and brick with slate roofs. It has an L-shaped main range, with a hipped roof on the front portion and a gabled roof with an unequal slope on the rear wing. To the left, there is a service wing of lower height that is likely contemporary to the main structure. A continuous stone plinth runs along the front elevation, and there is a narrow lean-to extension at the back of the service wing. The brick upper sections of the stone stacks have been rebuilt, and the northwest side stack projects.
The front of the house has three windows, with wider ground floor openings set under flat brick arches. These openings contain replacement small-pane sash windows from the mid-1980s, with brick cills. The remaining windows have a random arrangement of timber casements, some from the 19th century, featuring iron frames, small panes, and original fittings. A central, wide, enclosed porch made of brick and timber from the early 19th century has decorative bargeboards, while the front door consists of six panels. The rear has boarded doors, including a first-floor door on the gable end of the service wing that previously provided access to the servants' quarters and woolstore.
Some original features are still present. The right-hand room contains a six-panel, raised and fielded door, dado panelling, and a niche alcove above cupboard doors with H-hinges. The passageway leading to the rear wing is framed by an ornate panelled arch and fluted pilasters. First-floor doors have two panels and H/L hinges.
Local climate
The Great House receives an average of 950 mm of rain a year. This makes it wetter than 73% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 62% of listed buildings.
It experiences an average of 53 freeze-thaw cycles a year, more than 94% of listed buildings. Of these, 31 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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- Farm Range to south of The Great House
- Barn to SW of The Great House
- Church of St. Cynllo
- House adjoing Post Office
- The Post Office
- Telephone Call-box in Llangunllo Village
- Weston Farmhouse, including outbuildings (formerly known as Lower Weston)
- Pen-y-Clawdd
- L-Plan range of outbuildings at Dolassey Farm
- Bleddfa Old Rectory