History of EC3 London

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As the birthplace of modern‐day London, the City of London has a long and fascinating history linked to its financial and trading activities, its institutions, its government, its architecture and its people.

Located alongside the river Thames, between Tower Bridge and London Bridge, EC3 was one of the busiest sections of the Port of London for hundreds of years and became the maritime quarter of the City of London.

In Trinity Square you will find Trinity House, the headquarters of the Corporation of Trinity House, which is the General Lighthouse Authority for England, Wales, the Channel Islands and Gibraltar. Located in EC3 since 1660, it has been on its present site since 1796.

In EC3 you will also find Lloyd’s Register, a leading international provider of classification, compliance and consultancy services to the marine and offshore industries.

Established in 1760 at Edward Lloyd’s coffee house in Lombard Street, Lloyd’s Register moved onto its current site in Fenchurch Street in 1901.

In the early years of the twentieth century the newly established Port of London Authority sited their headquarters building at 10 Trinity Square in EC3. They remained here until the 1970s when they relocated to Gravesend.

The principal Merchant Navy Day service in the UK takes place at the national Merchant Navy Memorial in Trinity Square Gardens on Tower Hill annually each Autumn.

EC3 Postcode ‐ When and Why

EC3 Ships

Livery Companies and Guilds

Maritime EC3

Tower Liberties


If you're interested in knowing more about London by having a guided tour, see A Walk in London.