Old School is a Grade II listed building in the Monmouthshire local planning authority area, Wales. First listed on 20 September 1990. School.

Old School

WRENN ID
lapsed-chancel-azure
Grade
II
Local Planning Authority
Monmouthshire
Constituency
Monmouthshire MP: Catherine Fookes (Lab)
Country
Wales
Date first listed
20 September 1990
Type
School
Address
Old School, Grosmont, Abergavenny
OS grid reference
SO 403 246
Coordinates
51.91733, -2.86823
Source
Cadw listing

Also on this page: flood risk · radon risk · weather exposure · detailed attributes ↓

Description

The Old School is a late 19th-century Gothic building constructed from coursed rubble, ashlar, and moulded brick dressings, topped with a slate roof featuring 20th-century crested ridge tiles. It consists of a single-storey school and a two-storey schoolhouse arranged in a single asymmetrical range. The school, located on the right, has an off-centre projecting gable with corbelled verges that create a decorative canopy supported by curved and pierced brackets. The upper gable is inscribed with the year '1877' and features a boarded bellcote above. Below, there is a large two-light transom window adorned with a Gothic hood mould and an inset recessed quatrefoil. The transoms preserve their original 19th-century glazing, with 4+4 pane windows below the transom and 2+2 above. On either side of the centre gable, there are gabled doorways with corbelled canopies, each featuring a shouldered arch with a quatrefoil in the recessed tympanum and a boarded door fitted with floriated strap hinges. To the far left, there is a four-pane casement window, and to the far right, another canopied two-light transom, with a similar transom located in the north gable.

The schoolhouse on the left has a central doorway with a flat canopy, flanked by four-pane horned sash windows under flush Gothic hoods, as well as an attic gablet with similar detailing. Inside, the schoolroom, which has had its fittings removed, features a plain interior with a 19th-century fireplace along the long wall, which has a shouldered architrave and inset ventilators. The roof is ceiled at the collar. The schoolhouse includes a staircase opposite the entry, characterized by an open string and simple square-section balusters. The fireplaces in the upper bedrooms have chamfered architraves and small 19th-century register grates.

Local climate

Old School 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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  • 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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