Bligh House is a Grade II listed building in the Portsmouth local planning authority area, England. A Early C19 House, flats.

Bligh House

WRENN ID
rooted-threshold-magpie
Grade
II
Local Planning Authority
Portsmouth
Constituency
Portsmouth South MP: Stephen Morgan (Lab)
Country
England
Type
House, flats
Period
Early C19
Address
Bligh House, 78, 78a, 78b and 80, Castle Road, Southsea, City of Portsmouth
OS grid reference
SZ 639 991
Coordinates
50.78845, -1.09429
Source
Historic England listing

Also on this page: flood risk · radon risk · weather exposure · detailed attributes ↓

Description

Bligh House is a pair of houses, now functioning as a house and flats, built around 1830 with late 20th-century alterations. The building is finished in stucco and features a hipped roof covered with Welsh slate, along with a central brick chimney stack. It stands three stories tall and has four bays.

The ground floor showcases horizontal rustication and a stuccoed plinth. The entrance to No. 78 is on the right and consists of a door with three moulded panels and an overlight. To the left, there is a late 20th-century 16-pane sash window that replaced a former bay window. No. 80 has a three-panelled door on the left, with the upper panel being glazed and an overlight above. To the right, there is another 16-pane sash window.

On the first floor, there are four full-length 12-pane sash windows, each providing access to an iron balcony. These windows are set within reeded surrounds that feature corner blocks. The balcony is supported by iron brackets and is adorned with decorative railings that include crossed bars with anthemion and Vitruvian scroll pattern panels. Above this, there is a band and moulded cornice that forms a sillband for four 6-pane sash windows on the second floor. The building is topped with a coped parapet.

The right return of the building has a late 20th-century porch extension that includes an entrance door to No. 78A and fire escape stairs. The interior has not been inspected.

Local climate

Bligh House receives an average of 810 mm of rain a year. This makes it drier than 52% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 77% of listed buildings.

It experiences an average of 19 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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