Mowbray Castle is a Grade II listed building in the North Yorkshire local planning authority area, England. First listed on 25 June 1987. A Georgian Folly.
Mowbray Castle
- WRENN ID
- keen-chancel-lichen
- Grade
- II
- Local Planning Authority
- North Yorkshire
- Constituency
- Skipton and Ripon MP: Sir Julian Smith (Con)
- Country
- England
- Date first listed
- 25 June 1987
- Type
- Folly
- Period
- Georgian
- Address
- Mowbray Castle, Hackfall, Grewelthorpe
- OS grid reference
- SE 235 770
- Coordinates
- 54.18827, -1.64061
- Source
- Historic England listing
Description
Mowbray Castle is a folly built around 1750 for William Aislabie. Constructed from ashlar and rubblestone, it stands 2 to 3 storeys high and has an oval shape. The building features three bays, with offset angle buttresses flanking the central bay, while the outer bays consist of the remains of rubble walls. The central bay has a large pointed-arched opening, which is flanked by smaller, thinner pointed-arched openings, all with raised imposts.
On the first floor, there is a band with a central cross-shaped opening, a pointed-arched opening to the left, and a smaller blind pointed-arched opening to the right. The second storey has similar openings with projecting sills, but these are now in a ruinous condition. Above, the remains of an eaves band and a parapet can be seen. The returns of the structure have cross-shaped openings on the first floor, with pointed-arched relieving arches leading to the interior. The building was derelict at the time of the last survey. For historical context, refer to Fishers Hall, Hackfall, item 5/21. Mowbray Castle is located within the Grade I listed Hackfall on the North Yorkshire Historic Gardens Register.
Local climate
Mowbray Castle receives an average of 850 mm of rain a year. This makes it wetter than 58% of listed buildings in the UK. Its exposure to wind-driven rain is lower than that of 64% of listed buildings.
It experiences an average of 46 freeze-thaw cycles a year, more than 87% of listed buildings. Of these, 25 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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