Holywell House is a Grade II listed building in the South Downs National Park local planning authority area, England. First listed on 6 March 1967. Country house. 3 related planning applications.
Holywell House
- WRENN ID
- last-wattle-sage
- Grade
- II
- Local Planning Authority
- South Downs National Park
- Constituency
- Winchester MP: Dr Danny Chambers (LD)
- Country
- England
- Date first listed
- 6 March 1967
- Type
- Country house
- Address
- Holywell House, Swanmore, Winchester, SO32 2QE
- OS grid reference
- SU 593 150
- Coordinates
- 50.9315, -1.15689
- Source
- Historic England listing
Description
Holywell House is a country house dating from the 18th century, with early 19th-century additions and renovations around 1900. The walls are constructed of brick, using English bond, predominantly Flemish Garden Wall bond, and some Flemish bond with blue headers. The curved walls use header bond. The roof is hipped and covered in tiles, featuring stepped eaves. The building has a wide front and projecting wings, with alterations and extensions creating a complex roofline.
The symmetrical south-west front has semi-circular bays on each side, and is two storeys high with a semi-basement. It features a 3-window arrangement (3 windows across, 1 window central). The windows are sash windows in reveals, with the ground-floor windows in each bay taller and with semi-circular heads. A doorcase, dating from the early 20th century, has a cornice supported by carved brackets, a pulvinated frieze, an architrave framing a semi-circular fanlight, and a half-glazed door. A flight of 10 spreading stone steps leads to the front door, flanked by wrought iron rails.
The side elevations are irregular and contain some more recent features. The rear elevation is plain, with wings extending from it, and a tall staircase window is visible in the recessed centre.
Local climate
Holywell House receives an average of 800 mm of rain a year. This makes it drier than 54% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 74% of listed buildings.
It experiences an average of 20 freeze-thaw cycles a year, fewer than 79% of listed buildings. Of these, 8 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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- Full EPC report — heating system, energy costs, size, glazing, construction etc.
- Sale history — 2 transactions since 2017
- Related listed building consents — 3 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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