Wollongong City Council's digital asset library contains more than 340,000 image files — and auditors who reviewed the system in March 2026 found roughly 22 percent of them were functional duplicates, meaning identical or near-identical photographs stored under different file names, in different folders, sometimes purchased twice from the same stock provider. That single inefficiency is estimated to have cost the council's communications unit approximately $47,000 in redundant licensing fees over the past three financial years.
The timing matters. Councils across the Illawarra region are under pressure to demonstrate digital efficiency as the NSW Government's Illawarra Shoalhaven Regional Development Fund moves into its third funding round, with infrastructure and liveability grants increasingly tied to evidence of responsible asset management. Duplicate data — images especially — distorts the inventory figures that underpin those grant applications, and it quietly inflates storage and bandwidth costs that most organisations never bother to reconcile against their digital budgets.
What the Local Numbers Actually Show
The problem is not confined to Crown Street or the council chambers on Burelli Street. Destination Wollongong, the regional tourism body, runs a media portal that as of June 2026 held 58,400 approved images for use by journalists, travel writers and accommodation operators. A cross-reference exercise conducted internally found 14 percent of those assets — roughly 8,200 files — duplicated an existing image already in the library, often because contributing photographers uploaded the same shoot in multiple resolutions without a deduplication check on ingest. Storage alone for those redundant files runs to about 1.2 terabytes, at an ongoing cloud hosting cost the organisation puts at around $3,100 a year.
Real estate presents a starker case. On Domain and Realestate.com.au, Wollongong suburb listings — particularly in Fairy Meadow, Mount Ousley and the Gwynneville student rental corridor near the University of Wollongong's Innovation Campus — routinely carry duplicate hero images across multiple listing iterations of the same property. Analysis of 600 active Wollongong listings pulled in mid-June by a local proptech consultancy found 31 percent contained at least one image appearing more than once within the same listing carousel. That sounds trivial until you consider that platforms algorithmically demote listings flagged for low content quality, a factor property managers have started raising with the Real Estate Institute of NSW's Illawarra chapter.
At the University of Wollongong itself, the library's institutional repository — which curates research outputs including image-heavy datasets from the Faculty of Engineering and Information Sciences — completed a deduplication pass in February 2026 that removed 19,400 redundant files and recovered 4.7 terabytes of server capacity. The exercise took two staff members six weeks using open-source perceptual hashing tools, a relatively low-cost intervention that the university's digital infrastructure team says it should have run annually since 2021 but did not.
Fixing It: Tools, Costs and the Practical Path Forward
The fix is neither expensive nor technically complex, but it does require someone to own the problem. Commercial deduplication platforms such as Canto and Bynder — both used by NSW government agencies — charge licence fees starting at around $8,000 a year for mid-sized organisations. Open-source alternatives including digiKam and DupeGuru carry no licensing cost but require internal technical capacity to deploy and maintain.
The NSW Department of Customer Service published updated digital records management guidelines in April 2026 under its Digital Restart Fund framework, explicitly recommending that all state and local government entities run image-library audits before lodging asset registers with Service NSW's new Integrated Asset Reporting Portal, which goes live on 1 September 2026. Wollongong City Council told The Daily Wollongong it is on track to meet that deadline, though the audit process is still under way.
For private businesses — particularly the hospitality operators along Crown Street Mall and the short-stay accommodation providers clustered around North Wollongong Beach — the practical starting point is simpler: most cloud storage providers including Google Workspace and Microsoft OneDrive now include basic duplicate-detection dashboards in their standard business tiers, at no additional cost. Running one before the September reporting deadline costs nothing except an afternoon.