Portion of Old London Wall is a Grade I listed building in the Tower Hamlets local planning authority area, England. First listed on 29 December 1950. A Roman and medieval Wall.

Portion of Old London Wall

WRENN ID
forbidden-flue-burdock
Grade
I
Local Planning Authority
Tower Hamlets
Constituency
Poplar and Limehouse MP: Apsana Begum (Lab)
Country
England
Date first listed
29 December 1950
Type
Wall
Period
Roman and medieval
Address
Portion of Old London Wall, Trinity Square Ec3
OS grid reference
TQ 336 807
Coordinates
51.50993, -0.07602
Source
Historic England listing

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

Description

A portion of the Old London Wall, dating from the Roman and medieval periods, is located on the east side of Trinity Square in EC3. This section consists of rubble walling that stands above ground level and forms part of the boundary wall of Roman London, as noted by the Royal Commission on the Historical Monuments of England. The wall is part of a group that includes the Roman Wall, the Merchant Navy Memorial, the Port of London Authority Building, Trinity House, railings, the forecourt, and Nos 41 and 43.

Local climate

Portion of Old London Wall sits in one of the driest parts of the UK, with an average of 690 mm of rain a year. This makes it drier than 95% of listed buildings in the UK. Its exposure to wind-driven rain is lower than that of 98% of listed buildings.

It experiences an average of 35 freeze-thaw cycles a year, more than 57% of listed buildings. Of these, 16 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. 41, Trinity Square and area railings Grade II 67 m
  2. 43, Trinity Square and area railings Grade II 76 m
  3. Iron railings and gates at Trinity House Grade II 94 m
  4. Revetment Wall to North Side of Moat, from Tower Hill Postern to Tower Bridge Approach Grade II 100 m
  5. Trinity House Grade I 103 m
  6. Outer Curtain Wall with Casements and Mural Towers Grade I 108 m
  7. The Merchant Navy Memorial, Second World War section Grade II* 116 m
  8. The Merchant Navy Memorial, First World War section Grade I 120 m
  9. Waterloo Block Grade II 147 m
  10. Chapel of St Peter Ad Vincula Grade I 165 m