Former Port of London Authority Building

10, TRINITY SQUARE EC3

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Overview

Heritage Category:
Listed Building
Grade:
II*
List Entry Number:
1079138
Date first listed:
03-Mar-1972
List Entry Name:
Former Port of London Authority Building
Statutory Address:
10, TRINITY SQUARE EC3
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Location

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Date:
2005-01-26
Reference:
IOE01/13866/20
Rights:
© Miss Jennie Anderson. Source: Historic England Archive

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Official list entry

Heritage Category:
Listed Building
Grade:
II*
List Entry Number:
1079138
Date first listed:
03-Mar-1972
Date of most recent amendment:
10-Nov-1977
List Entry Name:
Former Port of London Authority Building
Statutory Address 1:
10, TRINITY SQUARE EC3

The scope of legal protection for listed buildings

This List entry helps identify the building designated at this address for its special architectural or historic interest.

Unless the List entry states otherwise, it includes both the structure itself and any object or structure fixed to it (whether inside or outside) as well as any object or structure within the curtilage of the building.

For these purposes, to be included within the curtilage of the building, the object or structure must have formed part of the land since before 1st July 1948.

Understanding list entries

Corrections and minor amendments

The scope of legal protection for listed buildings

This List entry helps identify the building designated at this address for its special architectural or historic interest.

Unless the List entry states otherwise, it includes both the structure itself and any object or structure fixed to it (whether inside or outside) as well as any object or structure within the curtilage of the building.

For these purposes, to be included within the curtilage of the building, the object or structure must have formed part of the land since before 1st July 1948.

Understanding list entries

Corrections and minor amendments

Location

Statutory Address:
10, TRINITY SQUARE EC3

The building or site itself may lie within the boundary of more than one authority.

County:
Greater London Authority
District:
City and County of the City of London (London Borough)
Parish:
Non Civil Parish
National Grid Reference:
TQ 33452 80797

Details

This list entry was subject to a Minor Amendment on 05/12/2012


TQ 3380 NW 17/477
3.3.72.
5002


TRINITY SQUARE EC3
(West Side)
No 10


(Formerly listed as Port of London Authority Building)


II*


1912 to 22, by Sir Edwin Cooper. Large, detached, monumental building of Portland
stone. Nearly square plan with entrance at canted south east corner. Plain courtyard
formerly filled by large rotunda destroyed in World War II. 4 storeys plus basement
and slated mansard treated as stone attic to end pavilions and at entrance. Deep
entablature with pairs of Corinthian columns in antis to pavillons. 4-columned
entrance portico, also in antis, the entablature topped by balustrade in front
of attic. Above rises broad tower embellished with order of Corinthian pilasters
and piers, arched niche and colossal figure sculpture. Stepped upper part. Entrance
hall, corridors etc of some distinction. Suite of richly panelled rooms on 2nd
floor, notably dining room, chairman's room and board room, east 2 with exceptional
carved decoration.

Listing NGR: TQ3345180797

The asset was previously listed twice also under London Borough of Tower Hamlets at list entry 1357519. This entry was removed from the List on 31 July 2017.

Legacy

The contents of this record have been generated from a legacy data system.

Legacy System number:
199787
Legacy System:
LBS

Legal

This building is listed under the Planning (Listed Buildings and Conservation Areas) Act 1990 as amended for its special architectural or historic interest.

Ordnance survey map of Former Port of London Authority Building

Map

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© Crown copyright [and database rights] 2026. OS AC0000815036. Use of this mapping is subject to Terms and Conditions.

End of official list entry

All text content is available under the Open Government Licence v3.0 , except where otherwise stated. Any supplied maps are © Crown Copyright [and database rights] 2026 OS AC0000815036 and may not be reproduced without permission.

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