23, Broad Street is a Grade II listed building in the Portsmouth local planning authority area, England. House.

23, Broad Street

WRENN ID
old-lantern-hazel
Grade
II
Local Planning Authority
Portsmouth
Constituency
Portsmouth South MP: Stephen Morgan (Lab)
Country
England
Type
House
Address
23, Broad Street, City of Portsmouth, PO1 2JD
OS grid reference
SZ 629 994
Coordinates
50.7915, -1.10864
Source
Historic England listing

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

Description

No. 23 Broad Street is a house dating from the late 18th century to early 19th century, with some alterations. It is constructed of red brick in Flemish bond and features a roof made of interlocking tiles. The building stands three storeys high and has one wide bay. The late 19th century shop front surround is notable, along with a late 20th century door on the right and late 20th century infill on the left. On the first floor, there is a tripartite canted oriel window with sashes, flanked by pilasters that divide the lights, and topped with a frieze and cornice. The second floor has two sashes set beneath flat gauged brick arches. A moulded brick cornice is present, along with a stone coped parapet. The interior has not been inspected.

Local climate

23, Broad Street 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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  • No EPC on record for this property
  • No sale records on file
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  • 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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