Great House and Heron House is a Grade II listed building in the Newport local planning authority area, Wales. First listed on 4 November 1999. House.
Great House and Heron House
- WRENN ID
- final-fireplace-birch
- Grade
- II
- Local Planning Authority
- Newport
- Constituency
- Newport East MP: Jessica Morden (Lab)
- Country
- Wales
- Date first listed
- 4 November 1999
- Type
- House
- Address
- Great House and Heron House, The Village (Ultra Pontem), Caerleon
- OS grid reference
- ST 344 901
- Coordinates
- 51.60594, -2.94731
- Source
- Cadw listing
Description
Great House and Heron House is a two-storey building featuring a pink rendered façade with a three-window range on the left and exposed stone walling with a two-window range on the right. The structure has steep slate roofs and tall brick chimneys with stepped-out cornices. The main section includes two widely spaced 12-pane horned sash windows, while Heron House has modern uPVC glazing. On the ground floor, there is a similar window on the right and a doorway with a 19th-century door on the left. The Heron House doorway is located under a ramped cemented surround to the left of centre.
The left wall of Heron House features a corbelled out stone and rubble gable end chimney stack. The lower section on the right has two modern casements on the upper floor, a modern bow window, and a garage entrance on the ground floor. The inspected ground floor retains good chamfered beams.
Local climate
Great House and Heron 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 66% of listed buildings.
It experiences an average of 36 freeze-thaw cycles a year, more than 61% 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
- 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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