Ardgowan Castle is a Grade B listed building in the Inverclyde local planning authority area, Scotland. First listed on 10 June 1971. Castle ruin.
Ardgowan Castle
- WRENN ID
- final-rubble-grain
- Grade
- B
- Local Planning Authority
- Inverclyde
- Constituency
- Inverclyde and Renfrewshire West MP: Martin McCluskey (Lab)
- Country
- Scotland
- Date first listed
- 10 June 1971
- Type
- Castle ruin
- OS grid reference
- NS 205 729
- Coordinates
- 55.91576, -4.87286
- Source
- Historic Environment Scotland listing
Description
Ardgowan Castle is a roofless tower that dates back to the late 15th century. It features a battlemented parapet and stands three storeys tall, including a vaulted basement. On the southwest exterior, there is a coat-of-arms.
Local climate
Ardgowan Castle sits in one of the wettest parts of the UK, with an average of 1,690 mm of rain a year. This makes it wetter than 99% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 96% of listed buildings.
It experiences an average of 43 freeze-thaw cycles a year, more than 84% of listed buildings. Of these, 24 follow at least 1 mm of rain in the preceding 48 hours. Average temperatures at this location have risen by 0.2°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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