Heritage Category:
Listed Building
List Entry Number:
Date first listed:
Date of most recent amendment:
Statutory Address:


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Statutory Address:

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

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


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)


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.


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

Legacy System number:
Legacy System:


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

End of official listing

Images of England

Images of England was a photographic record of every listed building in England, created as a snap shot of listed buildings at the turn of the millennium. These photographs of the exterior of listed buildings were taken by volunteers between 1999 and 2008. The project was supported by the Heritage Lottery Fund.

Date: 26 Jan 2005
Reference: IOE01/13866/20
Rights: Copyright IoE Miss Jennie Anderson. Source Historic England Archive
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