๐Ÿ“ฎ Lilydale postcode: UNKNOWN

Flood Risk in Lilydale, VIC: 2026 Assessment

Lilydale, Victoriaยท UNKNOWNยท UNKNOWN
Lilydale has a moderate risk of flooding due to its proximity to waterways and historical flood events. Climate change is expected to increase rainfall intensity, potentially worsening flood risks.Updated 31 Mar 2026

Flood Risk Score

6.5/10

Lilydale has a moderate risk of flooding due to its proximity to waterways and historical flood events. Climate change is expected to increase rainfall intensity, potentially worsening flood risks.

Key Facts

Flood Risk
Lilydale has a moderate risk of flooding due to its proximity to waterways and historical flood events. Climate change is expected to increase rainfall intensity, potentially worsening flood risks.
Trend
increasing
Suburb
Lilydale, VIC
Overall Risk
Medium
Postcode
3140
Highest high-risk exposure
9% of land (bushfire)

Flood Risk Analysis

Lilydale, located in Victoria, has a notable flood risk profile based on available data including proximity to waterways, elevation, and historical flood events. The Bureau of Meteorology (BOM) maintains river height and flood warning data for catchments across Victoria.

Some areas near Olinda Creek are prone to flooding during heavy rainfall events.

Lilydale has a moderate risk of flooding due to its proximity to waterways and historical flood events. Climate change is expected to increase rainfall intensity, potentially worsening flood risks.

For a comprehensive property-specific flood assessment including address-level elevation data, flood overlay mapping, and insurance cost estimates, use the ClimateNest full analysis tool. General suburb data cannot replace a site-specific evaluation.

Lilydale sits within ClimateNest's suburb-level hazard model for flood risk. 6.4% of the suburb's land area is mapped in high-risk flood zones and 70.7% in moderate-risk zones, based on the national hazard overlay. Exposure at this scale varies street by street, which is why an address-level check matters before you buy or insure a specific property in Lilydale.

Lilydale (postcode 3140) is tracked in ClimateNest's suburb hazard model, which maps the share of the suburb's land exposed to each hazard at high and moderate levels. The suburb's highest high-risk exposures are bushfire (9% of land in high-risk zones), surface flood (8.1% of land in high-risk zones), riverine flood (6.4% of land in high-risk zones). Exposure is not uniform across Lilydale โ€” individual properties can sit well above or below these averages, so an address-level check is recommended before buying, selling or insuring.

Local Hazard Evidence

Nearest WaterwayOlinda Creek
Elevation Range100-150m
Flood Zone ClassificationPartial

Historical Events

2011
Moderate

Heavy rainfall led to flooding in low-lying areas of Lilydale, particularly near Olinda Creek.

Adaptation & Mitigation Actions

Improve Flood Defenses

Near-term

Invest in infrastructure to mitigate flood risks, such as improved drainage systems and flood barriers.

Est. cost: High

Bushfire Preparedness

Immediate

Implement community education programs and support residents in preparing their properties for bushfires.

Est. cost: Medium

Heatwave Action Plan

Immediate

Develop and implement a heatwave action plan to protect vulnerable residents during extreme heat events.

Est. cost: Low

Sustainable Urban Planning

Long-term

Promote sustainable urban planning practices to reduce the urban heat island effect and minimize environmental impacts.

Est. cost: Medium

Council & Emergency Services

Yarra Ranges Council
Emergency Services

Data last updated: 31 March 2026

Explore Lilydale Risk Reports

Frequently Asked Questions

Is Lilydale at risk of flooding?

Based on available data, Lilydale has a notable flood risk profile. Flood risk varies by address โ€” check your specific property for precise flood zone mapping and elevation data with ClimateNest.

What flood insurance costs can I expect in Lilydale?

Insurance costs for flood cover in Lilydale depend on the property's flood zone classification, elevation, and proximity to waterways. ClimateNest provides address-level insurance cost estimates based on your property's specific hazard exposure.

Does flood risk affect property values in Lilydale?

Yes, flood risk can affect property values in Lilydale. Properties in mapped flood zones may experience lower buyer demand, reduced valuations, and higher insurance costs. Lenders increasingly assess flood exposure as part of mortgage risk evaluation.

How does elevation affect flood risk in Lilydale?

Elevation is a critical factor in flood risk. Properties at higher elevations within Lilydale typically have lower flood exposure than those near waterways or in low-lying areas. Address-level elevation data combined with BOM flood mapping provides the most accurate picture.

What share of Lilydale is exposed to high bushfire risk?

ClimateNest's hazard overlay maps 9% of Lilydale in high-risk zones for bushfire, with a further 85.1% in moderate-risk zones. Suburb-level exposure is not uniform โ€” individual properties can differ from these averages, so an address-level check is recommended.

Is Lilydale Safe from Climate Risk?

Enter your address below for an instant climate risk assessment for Lilydale, Victoria, covering flood, bushfire, sea level rise and more.

Free instant previewCSIRO-powered data

What A$69 could save you from

$7.2B
2022 insured disaster losses*
$300B+
climate risk to property by 2050*
30-120%
insurance premium increases in high-risk areas*

*Industry sources: ICA, APRA, RBA

Full report from A$69 ยท Australian addresses only ยท 8 hazard scores ยท Insurance trajectory ยท 2030 & 2050 projections