A Banking Cathedral on George Street
Few buildings on George Street carry the weight of 343. Constructed between 1921 and 1925 as the headquarters of the Commercial Banking Company of Sydney, the building was designed by architects Harry Kent and Arthur Massie in the Inter-War Commercial Palazzo style — a grand, symmetrical form borrowed from the palaces of Renaissance Italy and adapted for the ambitions of Australian banking.
The CBC had occupied this site since the 1850s, making it one of the longest continuously occupied commercial sites in Sydney's history. When the bank commissioned a new headquarters at the turn of the twentieth century, it demanded a building that would communicate permanence, authority, and civic responsibility. Kent and Massie delivered precisely that.
Architectural Significance
343 George Street is recognised as one of the finest examples of the Palazzo style in New South Wales. The building was erected in two stages by the firm of Stuart Brothers, with meticulous attention to materials and proportion. Its sandstone and granite facade rises from George Street with the kind of quiet solidity that most contemporary commercial buildings cannot replicate.
The interior is where the building becomes exceptional. The banking chamber — finished entirely in marble — is considered the finest marble-finished banking chamber in New South Wales, retaining its original furniture, fittings, and finishings intact. Timber joinery, decorative plasterwork, and bronze detailing throughout the building reflect a standard of craftsmanship that was extraordinary even by the standards of the 1920s.
The NSW State Heritage Register, which listed 343 George Street on 2 April 1999, notes that the building demonstrates "workmanship and design of the very highest quality in the State." That assessment has not been revised, because it has not needed to be.
Location and Urban Context
343 George Street occupies a position of particular civic significance. Together with its neighbouring buildings, it forms a group that visually closes the western end of Martin Place — one of Sydney's most important public spaces and the traditional centre of the city's financial district. Martin Place is home to the Reserve Bank of Australia, the GPO, and the Cenotaph. To stand at its western end and look towards 343 George Street is to see a building that was designed to belong in exactly that company.
The building sits in the heart of Sydney's CBD, between Martin Place and Barrack Street, with immediate access to Martin Place station and the network of underground pedestrian connections that link the city's major transport hubs. Its address places it within the Core CBD precinct — the tightest and most sought-after commercial corridor in Australia.
From Banking Hall to Heritage Office
After the merger of the Commercial Banking Company of Sydney with the National Bank of Australasia in the 1980s, the building continued to house National Australia Bank operations until 2008. In recent years, the City of Sydney approved a $16 million facade remediation programme to preserve and restore the building's exterior stonework — a project that underscores the building's ongoing civic importance.
343 George Street has housed notable tenants across its history, and its next chapter is no less deliberate. Tajon Luxury Offices is preparing to open Australia's first Private Workplace Residence on the upper floors of 343 George Street in August 2026. The concept allocates entire private suites to individual tenants — each with its own boardroom, meeting rooms, bar, and lounge. Nothing is shared. The restoration work honours the building's heritage while introducing a model of workplace privacy that has no precedent in Sydney.
Why Heritage Matters for Business
There is a practical reason why premium firms gravitate toward heritage buildings. A heritage address communicates stability, longevity, and seriousness of purpose in ways that a glass tower cannot. Clients who visit 343 George Street understand immediately that the business inside has chosen its address with intention.
For the firms that will occupy Tajon's private suites, the building is not a backdrop. It is part of the proposition. The marble, the stonework, the proportions of the rooms — these are not decorative. They are the physical expression of a standard.
343 George Street has stood on George Street for more than a century. It was built to endure, and it has.
Private viewings of Tajon Luxury Offices at 343 George Street are available by appointment. Contact us at tajonluxuryoffices.com to arrange a visit.