Duplicate Images Are Cluttering Central Coast Council's Digital Records — Here's What Officials and Experts Are Saying

Central Coast Council is sitting on thousands of duplicate digital images spread across multiple internal record systems, a problem that administrators, archivists and planning professionals say is quietly undermining the efficiency of everything from development applications to the ongoing Gosford CBD renewal program. The issue has come into sharper focus in mid-2026 as the council — still rebuilding institutional capacity following its 2020 administration period — pushes to digitise decades of physical planning and heritage records.

The timing matters. Council is currently processing a higher-than-usual volume of development applications around Mann Street and the Gosford waterfront precinct, where state-backed renewal funding has triggered a wave of new proposals. When planning officers search internal databases for site photographs, heritage assessments or infrastructure maps, duplicate image files slow retrieval times, create version-control confusion, and in some cases mean officers are working from outdated imagery without realising it.

What the Professionals Are Saying

Digital asset management specialists who work with NSW local government bodies say the duplicate image problem is not unique to Central Coast, but councils that went through extended administration periods — as Central Coast did between October 2020 and May 2022 — tend to emerge with particularly fragmented digital archives. During administration, record-keeping responsibilities shifted between interim administrators, contracted staff and returning elected officials, with each transition creating opportunities for files to be saved multiple times under different naming conventions.

The NSW State Archives and Records Authority sets out mandatory standards for how councils must manage digital records under the State Records Act 1998, including requirements around image metadata, file integrity and deduplication. Councils that fail to meet those standards risk compliance notices. Central Coast Council's own Digital Transformation Strategy, adopted in 2023, flagged image deduplication as a priority action for the 2024–25 financial year, though community advocates in the Erina and Wyong areas have noted publicly that tangible progress has been slow to materialise.

Heritage practitioners working on projects along the Old Pacific Highway corridor and around East Gosford's Victorian-era streetscapes say the duplicate image problem has a direct practical cost. When a heritage consultant submits a statement of significance referencing council's photographic archive, and the archive returns multiple near-identical versions of the same building photograph taken years apart with no clear date metadata, it forces additional verification work that adds days to an already stretched assessment timeline. One DA lodged with council in the first quarter of 2026 for a character dwelling on Donnison Street reportedly required three separate image verification requests before officers could confirm which archive photograph corresponded to the current structure.

The Path to a Fix

Digital records consultants who advise NSW councils recommend a two-stage approach: first, running automated deduplication software across image repositories to flag files with identical or near-identical hash values; second, a human-led audit of flagged files to confirm which version carries the correct metadata before archiving or deleting duplicates. For a council the size of Central Coast — which serves a population of around 345,000 people across more than 50 suburbs from Tuggerah in the north to Peats Ridge in the west — that process is estimated to take between six and twelve months depending on the scale of the backlog.

The council's library and information services team, based at Gosford's Central Coast Leagues Club precinct area near Dane Drive, has reportedly been involved in early scoping discussions. The Central Coast Historical Society, which maintains its own photographic collection in partnership with council through the Erina branch library network, has a direct stake in the outcome — duplicated or mislabelled images in the shared archive affect the society's own cataloguing work.

For residents and developers lodging applications in the short term, planning officers recommend attaching their own dated, geotagged site photographs directly to DA submissions rather than relying on council's archive imagery as the primary visual reference. Council's planning portal, accessible through the Central Coast Council website, allows image attachments of up to 10MB per file. That workaround does not solve the underlying archive problem, but it reduces the likelihood of assessment delays caused by image confusion while the longer remediation work gets underway.