Vaults Under Nos 46 and 48 is a Grade II listed building in the Southampton local planning authority area, England. First listed on 14 February 1969. Vaults.
Vaults Under Nos 46 and 48
- WRENN ID
- keen-niche-summer
- Grade
- II
- Local Planning Authority
- Southampton
- Constituency
- Southampton Itchen MP: Darren Paffey (Lab)
- Country
- England
- Date first listed
- 14 February 1969
- Type
- Vaults
- Address
- Vaults Under Nos 46 and 48, French Street, City of Southampton
- OS grid reference
- SU 419 112
- Coordinates
- 50.89882, -1.40528
- Source
- Historic England listing
Description
The vaults under Nos 46 and 48 French Street date from the late 13th century and 15th century. There are two tunnel vaults located in a semi-basement. The northern vault is rubble faced and may date from the late 13th century or early 14th century. The southern vault is ashlar faced and likely from the 15th century. Both vaults have doorways at the west end featuring depressed two-centred openings, along with blocked spiral staircases. The modern buildings above the vaults are not of special architectural interest. These vaults are scheduled as an ancient monument.
Local climate
Vaults Under Nos 46 and 48 receives an average of 830 mm of rain a year. This makes it wetter than 53% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 78% of listed buildings.
It experiences an average of 18 freeze-thaw cycles a year, fewer than 82% of listed buildings. Of these, 7 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
- No related consent applications matched
- 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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