Boundary Wall to St Helen's House is a Grade II listed building in the Norwich local planning authority area, England. First listed on 5 June 1972. Wall.

Boundary Wall to St Helen's House

WRENN ID
standing-basalt-swift
Grade
II
Local Planning Authority
Norwich
Constituency
Norwich South MP: Clive Lewis (Lab)
Country
England
Date first listed
5 June 1972
Type
Wall
Address
Boundary Wall to St Helen's House, Bishopgate
OS grid reference
TG 236 090
Coordinates
52.63351, 1.30301
Source
Historic England listing

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

Description

The boundary wall to St Helen's House is a Grade II listed structure dating from the 17th century, with later repairs. It is constructed of flint and brick rubble and stands 3 meters high. The wall features intermittent brick stitching and some flint and brick chequer-work at the northern end. At the top, there is rounded brick coping, and a 19th-century plank door is located at the north end.

Local climate

Boundary Wall to St Helen's House sits in a drier-than-average part of the UK, with an average of 710 mm of rain a year. This makes it drier than 88% of listed buildings in the UK. Its exposure to wind-driven rain is lower than that of 95% of listed buildings.

It experiences an average of 24 freeze-thaw cycles a year, fewer than 75% 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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  • Detailed attributes — period, style, materials, features
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  • Radon risk assessment
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Nearby listed buildings

  1. Statue of Meleager in Grounds of St Helen's House Grade II 16 m
  2. 17, Bishopgate Grade II 41 m
  3. St Helen's House Grade II* 67 m
  4. Former Chaplain's House at the Great Hospital Grade I 77 m
  5. St Martin's Vicarage Grade II 99 m
  6. Birkbeck Hall at the Great Hospital Grade II 104 m
  7. Part of the Former Master's House at the Great Hospital Grade I 108 m
  8. Bishop's Gate Grade I 116 m
  9. Refectory and Part of Former Master's House at the Great Hospital Grade I 117 m
  10. Forecourt Railings, Gates and Gatepieces at the Great Hospital Grade II 117 m