Gelli House is a Grade II listed building in the Monmouthshire local planning authority area, Wales. First listed on 19 October 2000. Hall house. 3 related planning applications.
Gelli House
- WRENN ID
- winter-marble-burdock
- Grade
- II
- Local Planning Authority
- Monmouthshire
- Constituency
- Monmouthshire MP: Catherine Fookes (Lab)
- Country
- Wales
- Date first listed
- 19 October 2000
- Type
- Hall house
- Address
- Gelli House, Llanvetherine, Abergavenny, Skenfrith, NP7 8RG
- OS grid reference
- SO 362 172
- Coordinates
- 51.8505, -2.92709
- Source
- Cadw listing
Description
Gelli House is a 15th-century hall house constructed from limewashed rubble stone, topped with a slate roof and featuring brick stacks. The front elevation faces south. The single-storey plus attic structure on the left has three small 20th-century roof lights. The ground floor showcases repaired 17th-century ovolo mullions, with a two-light window to the left and a three-light window to the right, both having timber lintels and stone sills. To the right, there is a two-storey 19th-century addition with projecting end stacks. The first floor of this addition features a 20th-century 12-pane hornless sash window with a stone lintel and a thin stone sill. The ground floor entrance doorway on the left has a canopy with a flat hood supported by shaped consoles, leading to a six-panel door. To the right is another similar 12-pane sash window. Attached to the gable end is a two-storey outbuilding and garage. The back of the house was not accessible during the resurvey in August 1999, but the back wall of the hall contains a 17th-century two-light ovolo mullion window on the ground floor.
Entry to the hall is through the 19th-century kitchen, whereas the original entry was directly from the gable. The building has a two-unit plan consisting of the hall and partitioned service rooms at the lower end. The stone-flagged hall features chamfered ceiling beams with hollow and fillet (Wern-hir) stops. The hall fireplace has a deep, chamfered lintel with straight cut stops and monolithic stone jambs. To the left of the fireplace is a plank and batten door leading to the staircase. A transverse post and panel partition has openings at each end that mark the positions of former doorways to the rear service rooms. To the right of this partition is the chamfered foot of a cruck blade. The service rooms are separated by a similar axial post and panel partition. On the first floor, the northern cruck blade is visible. Mortices on the soffit of the purlins suggest that the open hall once had wind braces.
Local climate
Gelli House receives an average of 890 mm of rain a year. This makes it wetter than 65% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 61% of listed buildings.
It experiences an average of 45 freeze-thaw cycles a year, more than 87% of listed buildings. Of these, 22 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 — 1 transaction since 2023
- Related listed building consents — 3 applications
- 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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