Great Barn is a Grade II listed building in the Newport local planning authority area, Wales. First listed on 31 July 1996. Gates/screens/lodges. 1 related planning application.
Great Barn
- WRENN ID
- sombre-loft-violet
- Grade
- II
- Local Planning Authority
- Newport
- Constituency
- Newport West and Islwyn MP: Ruth Jones (Lab)
- Country
- Wales
- Date first listed
- 31 July 1996
- Type
- Gates/screens/lodges
- Address
- Great Barn, Tredegar House, Coedkernew
- OS grid reference
- ST 288 852
- Coordinates
- 51.56128, -3.02717
- Source
- Cadw listing
Description
Great Barn is a large 17th-century estate barn that was partially destroyed by fire at the south end in the 19th century. Originally, it was notable for its extreme length. The barn's exterior features elevations made of coursed rubble and a gabled roof covered with slate. The front (west) elevation has a pronounced batter at the base. There is a centrally located full-height doorway with double boarded doors, and a stable door at the north end with a small rectangular window to its right. Beneath the eaves, there are two small ventilation slots. To the south of the main doorway, there is another single door, with three-quarter height double doors to the right and an additional doorway that has a shuttered hayloft opening above. The extreme south end has two shuttered rectangular openings positioned at mid-height. The south gable is made of 19th-century brick and features four asymmetrically arranged 19th-century timber casements of varying sizes. The rear elevation shows partial limewashing and has regularly spaced ventilator slots at mid-height, which are now blocked. There is a large opening with a timber lintel at the north end, which has been partially infilled with later rubble masonry and includes a smaller boarded door. The north gable is constructed of coursed rubblestone and is blind.
Inside, the barn has been substantially partitioned to create various storage areas, with lofts above.
Local climate
Great Barn receives an average of 930 mm of rain a year. This makes it wetter than 71% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 72% of listed buildings.
It experiences an average of 35 freeze-thaw cycles a year, more than 55% of listed buildings. Of these, 14 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
- 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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Nearby listed buildings
- Brewhouse
- Former Laundry and Dairy to NE of Great Barn
- Lesser Barn
- Bryans Building and attached boundary walls to S and N
- The Mill including attached Stable to the South
- Tredegar House
- Home Farm
- Ruperra Gates to NE of Tredegar House
- Monument to Sir Briggs
- Garden walls to SE of Cedar Garden, inc gate piers, gates and flanking workshops