Dewstow House is a Grade II listed building in the Monmouthshire local planning authority area, Wales. First listed on 28 October 1976. House.
Dewstow House
- WRENN ID
- second-brick-pine
- Grade
- II
- Local Planning Authority
- Monmouthshire
- Constituency
- Monmouthshire MP: Catherine Fookes (Lab)
- Country
- Wales
- Date first listed
- 28 October 1976
- Type
- House
- Address
- Dewstow House, Newport, Caerwent
- OS grid reference
- ST 467 888
- Coordinates
- 51.59627, -2.76962
- Source
- Cadw listing
Description
Dewstow House is an early 19th century house that stands two storeys tall with a front elevation featuring three bays. The exterior is rendered and painted, topped with a tiled gabled roof that has flanking stacks. On the first floor, there are three windows fitted with plastic glazing, designed as French casements with small panes and an overlight, all framed with architraves. The first-floor balcony is adorned with turned balusters and a balustrade supported by Tuscan columns.
The central doorway on the ground floor is round-headed and features a six-panelled door with a plain fanlight above. On either side of this doorway, there are part-glazed double doors with square heads, each consisting of two lights. The main block has blind gable ends. At the rear, there are service wings that have been modernised and extended with contemporary glazing.
Inside, the ground floor has been modernised, but it still retains a semi-circular staircase with a cast iron balustrade and a moulded pine handrail. This staircase is illuminated by a small arched window that contains coloured glass.
Local climate
Dewstow House receives an average of 860 mm of rain a year. This makes it wetter than 62% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 63% of listed buildings.
It experiences an average of 36 freeze-thaw cycles a year, more than 64% of listed buildings. Of these, 15 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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