Sizergh Castle is a Grade I listed building in the Lake District National Park local planning authority area, England. First listed on 21 November 1952. A Medieval Castle. 5 related planning applications.
Sizergh Castle
- WRENN ID
- late-minaret-russet
- Grade
- I
- Local Planning Authority
- Lake District National Park
- Constituency
- Westmorland and Lonsdale MP: Tim Farron (LD)
- Country
- England
- Date first listed
- 21 November 1952
- Type
- Castle
- Period
- Medieval
- Address
- Sizergh Castle, Helsington, Westmorland and Furness, LA8 8AE
- OS grid reference
- SD 498 878
- Coordinates
- 54.28413, -2.77158
- Source
- Historic England listing
Description
Sizergh Castle is a complex of buildings, primarily a castle with associated hall and wings, dating from the 15th century, although earlier elements were initially thought to be present. A South Tower, probably built in the 15th century, was added to an earlier hall with a crosswing that forms the basis of the North Tower. The original entrance to the hall was on the East side, at ground floor level. Remnants of a wall, now under a verandah, appear to be from alterations made between 1670 and 1770. Further alterations in the 19th century accommodated a carriage entrance. Subsidiary wings to the West were constructed in the mid-16th century, with later alterations including 19th-century replacement windows in the North wing. The building is constructed of limestone rubble walls, with some areas partially rendered. The pitched roofs are slated, with decorative barge boards, probably dating to the 17th century, and stone ball finials. The roofs are embattled and leaded; leadwork to the South Tower turret is dated 1749. A variety of stone chimney stacks are present, including massive three-stage stacks to the West wings and an embattled stone chimney stack to the South Tower, likely dating to the 16th century. Upper-floor windows on the west side of the South Tower are 15th-century mullioned and transomed, while ground-floor windows are 19th-century. The East and West sides of the main block predominantly feature late 18th-century Gothick detailing under hood moulds, with Venetian windows in the East side of both North and South Towers. 16th-century mullioned and transomed windows appear in the South West wing. A panel above a second-floor window on the West side of the South Tower displays the arms of Deincourt quartering those of Strickland. The interior includes vaulted undercrofts to the North and South Towers, the undercroft in the North Tower being a later addition. A mural staircase is within the South Tower, and there are fine panelled rooms dating from the 16th century onwards, featuring ornately carved overmantels and decorative ceilings. There are also dated Jacobean windows from various sources.
Local climate
Sizergh Castle sits in one of the wettest parts of the UK, with an average of 1,480 mm of rain a year. This makes it wetter than 98% 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 45 freeze-thaw cycles a year, more than 86% 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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- No EPC on record for this property
- No sale records on file
- Related listed building consents — 5 applications
- 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
Matched applications, energy data and sale records are assembled automatically and may contain errors. Flag incorrect data.
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