Commerce House is a Grade II listed building in the Winchester local planning authority area, England. First listed on 6 March 1967. A Georgian Offices.

Commerce House

WRENN ID
swift-steel-thistle
Grade
II
Local Planning Authority
Winchester
Constituency
Fareham and Waterlooville MP: Suella Braverman (RUK)
Country
England
Date first listed
6 March 1967
Type
Offices
Period
Georgian
Address
Commerce House, the Square, Wickham and Knowle
OS grid reference
SU 571 114
Coordinates
50.89986, -1.18808
Source
Historic England listing

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

Description

Commerce House is a building that dates from the early 18th century and was originally two houses, now serving as offices. The structure features brick walls laid in Flemish bond with blue headers, cambered rubbed arches, and a cement plinth. It has a new roof covered with old tiles. The south-east elevation is regular, consisting of two storeys and four windows, with a carriage opening on the north side. The windows are sash style in exposed frames. There are two identical doorways, each with a 20th-century hood supported by old carved brackets, and the doors are six-panelled, with two of the panels being glazed at the top.

Local climate

Commerce 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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