Longwood is a Grade II listed building in the South Downs National Park local planning authority area, England. House. 3 related planning applications.

Longwood

WRENN ID
turning-plinth-nightshade
Grade
II
Local Planning Authority
South Downs National Park
Constituency
Winchester MP: Dr Danny Chambers (LD)
Country
England
Type
House
Address
Longwood, Hampton Hill, Swanmore, Winchester, SO32 2QN
OS grid reference
SU 578 170
Coordinates
50.94955, -1.17791
Source
Historic England listing

Also on this page: sale history · EPC · related consents · flood risk · radon risk · weather exposure · detailed attributes ↓

Description

Longwood is a house of earlier origin, significantly altered in the late 18th century with further extensions added in the early 20th century. The front wall is constructed of brick in a Flemish bond pattern, featuring blue headers, red quoins, and blue header panels between and on either side of the upper windows, as well as a first-floor band. The brick arches have a cambered shape with flat extrados. The remaining walls are of Flemish Garden Wall bond with blue headers. The roof is tiled, with a catslide at the rear, gabled rear wings, and a staircase wing. The north-west front elevation presents a symmetrical facade with two storeys and three windows, featuring 20th-century leaded casement windows. A plain doorway is topped with a decorative head supported by brackets. Inside, there are 17th-century beams, a 20th-century staircase within the 18th-century staircase wing, and oak panelling in a style imitating about 1700, though likely dating from about 1900. It appears to have originated as a farmhouse, although associated outbuildings have disappeared, and the property now stands within a suburban setting.

Local climate

Longwood 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 — 1 transaction since 2013
  • 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
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