Flood Risk in Rannock, NSW: 2026 Assessment

Rannock, New South Wales· UNKNOWN
Rannock faces a moderate risk of flooding, primarily from heavy rainfall events and potential riverine flooding. The risk is expected to increase slightly due to climate change.Updated 4 May 2026

Flood Risk Score

4.5/10

Rannock faces a moderate risk of flooding, primarily from heavy rainfall events and potential riverine flooding. The risk is expected to increase slightly due to climate change.

Key Facts

Flood Risk
Rannock faces a moderate risk of flooding, primarily from heavy rainfall events and potential riverine flooding. The risk is expected to increase slightly due to climate change.
Trend
increasing
Suburb
Rannock, NSW
Overall Risk
Medium
Postcode
2701
Highest high-risk exposure
18.9% of land (bushfire)

Flood Risk Analysis

Rannock, located in New South Wales, 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 New South Wales.

Local council may have specific flood studies available.

Rannock faces a moderate risk of flooding, primarily from heavy rainfall events and potential riverine flooding. The risk is expected to increase slightly due to climate change.

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.

Rannock sits within ClimateNest's suburb-level hazard model for flood risk. 7.2% of the suburb's land area is mapped in high-risk flood zones and 78.9% 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 Rannock.

Rannock (postcode 2701) 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 (18.9% of land in high-risk zones), riverine flood (7.2% of land in high-risk zones), surface flood (4.9% of land in high-risk zones). Exposure is not uniform across Rannock — 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 WaterwayLocal creeks and streams
Elevation RangeVariable
Flood Zone ClassificationPotentially affected areas near waterways

Historical Events

2011
Moderate

Major flooding event impacted the region, causing property damage and disruptions to infrastructure.

Adaptation & Mitigation Actions

Develop a local heatwave management plan

Near-term

Implement strategies to protect vulnerable populations during heatwaves, such as establishing cooling centers and providing public awareness campaigns.

Est. cost: Low

Improve bushfire preparedness

Immediate

Conduct community education programs on bushfire safety, maintain firebreaks, and ensure adequate water supplies for firefighting.

Est. cost: Medium

Upgrade stormwater drainage infrastructure

Near-term

Invest in upgrading stormwater drainage systems to reduce the risk of flooding during heavy rainfall events.

Est. cost: High

Promote water conservation

Long-term

Encourage residents to conserve water through water-efficient appliances, rainwater harvesting, and responsible gardening practices.

Est. cost: Low

Council & Emergency Services

UNKNOWN
Emergency Services

Data last updated: 4 May 2026

Explore Rannock Risk Reports

Frequently Asked Questions

Is Rannock at risk of flooding?

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

What flood insurance costs can I expect in Rannock?

Insurance costs for flood cover in Rannock 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 Rannock?

Yes, flood risk can affect property values in Rannock. 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 Rannock?

Elevation is a critical factor in flood risk. Properties at higher elevations within Rannock 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 Rannock is exposed to high bushfire risk?

ClimateNest's hazard overlay maps 18.9% of Rannock in high-risk zones for bushfire, with a further 57.3% in moderate-risk zones. Suburb-level exposure is not uniform — individual properties can differ from these averages, so an address-level check is recommended.

Is Rannock Safe from Climate Risk?

Enter your address below for an instant climate risk assessment for Rannock, New South Wales, 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 · Australian addresses only · 8 hazard scores · Insurance trajectory · 2030 & 2050 projections