College Hall St Mary's College is a Grade I listed building in the Winchester local planning authority area, England. First listed on 24 March 1950. A C14 College hall.

College Hall St Mary's College

WRENN ID
veiled-chimney-tallow
Grade
I
Local Planning Authority
Winchester
Constituency
Winchester MP: Dr Danny Chambers (LD)
Country
England
Date first listed
24 March 1950
Type
College hall
Address
College Hall St Mary's College, College Street, SO23 9NA
OS grid reference
SU 482 289
Coordinates
51.05787, -1.31322
Source
Historic England listing

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

Description

College Hall at St Mary's College, built in 1833, is a significant late 14th-century structure. The hall is located on the upper floor, with the original schoolroom, known as the Seventh Chamber, situated below. The building features ashlar stonework and a large two-light window. Its roof is supported by arced braces, and there is panelling dating back to 1540. College Hall is part of a group of listed buildings along College Street.

Local climate

College Hall St Mary's College receives an average of 800 mm of rain a year. This makes it drier than 56% of listed buildings in the UK. Its exposure to wind-driven rain is lower than that of 54% of listed buildings.

It experiences an average of 32 freeze-thaw cycles a year, fewer than 59% of listed buildings. Of these, 13 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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Nearby listed buildings

  1. Chamber Court with Middle Gate St Mary's College Grade I 31 m
  2. School, Winchester College Grade I 33 m
  3. St Mary's College Chapel Grade I 33 m
  4. Cloisters St Mary's College Grade I 38 m
  5. Fromond's Chantry St Marys College Grade I 47 m
  6. Moberly Court and Flint Court St Mary's College Grade II 49 m
  7. St Mary's College Warden's Lodgings Grade I 55 m
  8. Outer Court with Outer Gate St Mary's College Grade I 67 m
  9. Gateway to East of Headmaster's House St Mary's College Grade II 72 m
  10. St Mary's College Wall Behind Nos 9 to 15 Kingsgate Street Grade II 74 m