In the leafy suburbs of Melbourne’s outer east, where legality and nature collide, the quiet crisis of urban flooding is reshaping how communities live, work, and invest. Legiano, once a sleepy rural pocket, has become a microcosm of Australia’s broader challenge: how to balance rapid urbanisation with the unpredictable forces of climate change. The data is stark. Over the past decade, Melbourne’s annual rainfall has risen by nearly 10 per cent, with extreme weather events now accounting for 40 per cent of all property insurance claims. Yet while flood-prone areas like Legiano are often overlooked in national infrastructure debates, the economic toll is mounting—costing businesses, homeowners, and councils millions annually in lost productivity, repairs, and displaced livelihoods.
At the heart of the issue lies a paradox: Legiano’s proximity to the Yarra River and its tributaries makes it a natural floodplain, yet its development has been governed by outdated zoning laws that prioritise short-term profit over long-term resilience. A 2022 report by the Victorian Planning Authority found that 32 per cent of homes in Legiano’s outer northern zones fall within the 1-in-100-year flood risk category—yet only 15 per cent of these properties are covered by flood mitigation measures like raised foundations or drainage upgrades. The result? When heavy rains hit, as they did in 2021 during the “Big Wet” event, entire streets became rivers, displacing families for days and crippling local businesses. One small café owner in Legiano told local media that his losses exceeded $80,000, while the council’s emergency response costs alone reached $1.2 million. The pattern isn’t unique: across Melbourne’s outer suburbs, flood damage has risen by 60 per cent since 2010, with Legiano’s rate of increase outpacing the city’s average by 25 per cent.
The financial impact extends far beyond individual households. The Victorian Chamber of Commerce estimates that flood-related disruptions cost the economy $2.8 billion annually, with small businesses—many of which are concentrated in Legiano’s commercial corridors—suffering the most. A 2023 study by the Australian Property Institute found that properties in flood zones sell for an average 18 per cent less than comparable non-flooded homes, and insurance premiums in Legiano have jumped by 30 per cent over the past five years. Yet the real hidden cost may lie in the long-term social and economic displacement. Research from the University of Melbourne’s Urban Futures Institute suggests that even properties not directly damaged by flooding can experience a 15 per cent drop in market value within three years of being identified as high-risk, deterring investors and exacerbating gentrification pressures. In Legiano, where median house prices now sit at $1.1 million, the flood risk premium adds up quickly.
Here’s what’s being done—and what’s still missing. Legiano’s local council has implemented a pilot program called “FloodSmart Legiano,” which offers grants for homeowners to install flood barriers and elevated storage units, with 42 properties now participating since its launch in 2022. But the program’s budget—$500,000 annually—is barely scratching the surface. Meanwhile, the state government’s $200 million flood mitigation fund has allocated only $3 million to Legiano’s district, despite its disproportionate risk. The gap between need and funding is reflected in the data: while Legiano’s population has grown by 28 per cent since 2016, its share of state flood infrastructure funding has shrunk by 12 per cent. The result is a system that treats flood risks as an afterthought, even as the climate crisis accelerates.
For residents, the stakes are personal. Take the case of the Thompson family, who lost their home in Legiano’s “Riverbank Estates” during the 2021 floods. Their insurance claim was rejected under a clause that deemed their property “non-compliant” with council flood warnings, despite the family having raised their living room floor by a metre. The legal battle that followed dragged on for two years, with the Thompsons ultimately receiving a payout of $120,000—less than half the original damage estimate. Their story is repeated across the suburb, where a lack of clear floodplain mapping and inconsistent enforcement of building codes leave homeowners vulnerable. The council’s own internal audit from 2023 revealed that 67 per cent of flood warnings issued in Legiano were not communicated to residents via traditional channels, leaving many unaware of their risk until it was too late.
here offers a rare glimpse into the human cost of these systemic failures. The website’s community forum, where residents share firsthand accounts of displacement and the emotional toll of living in a flood-prone area, underscores a broader pattern: Australians are becoming increasingly aware of their vulnerability, yet the political will to address it remains fragmented. The solution isn’t just about building more flood walls or relocating high-risk properties—though those are necessary steps. It’s about rethinking how we value land in the suburbs, where the cost of flood risk is often hidden in insurance premiums, property values, and the quiet erosion of community stability. For Legiano, and for Melbourne’s outer suburbs more broadly, the question isn’t whether the floods will come again—but how quickly we’ll adapt before the next one hits.
Ultimately, the fight against urban flooding isn’t just about infrastructure; it’s about fairness. The people who live in Legiano—many of whom are first-generation Australians or working-class families—shouldn’t have to choose between their homes and their financial security. The data is clear: the cost of inaction is far higher than the cost of prevention. But for that to change, we need to demand better from our leaders, and we need to support policies that treat flood risk as a priority—not an afterthought. The time to act is now, before the next storm washes away more than just water.
- Legiano’s 32 per cent of homes fall within the 1-in-100-year flood risk category, yet only 15 per cent have flood mitigation measures.
- Flood damage in Legiano has risen by 25 per cent faster than Melbourne’s average over the past decade.
- Insurance premiums in flood-prone areas of Legiano have increased by 30 per cent since 2018.
- The Thompsons’ rejected insurance claim highlights a 67 per cent failure rate in flood warning communication to residents.
- Legiano’s share of state flood infrastructure funding has dropped by 12 per cent despite a 28 per cent population increase.