Flood Risk in Waldegrave, NSW: 2026 Assessment

Waldegrave, New South Wales· UNKNOWN
Waldegrave faces a moderate risk of flooding due to its proximity to waterways and low-lying areas. Climate change is expected to increase rainfall intensity, exacerbating flood risk.Updated 2 May 2026

Flood Risk Score

6.0/10

Waldegrave faces a moderate risk of flooding due to its proximity to waterways and low-lying areas. Climate change is expected to increase rainfall intensity, exacerbating flood risk.

Key Facts

Flood Risk
Waldegrave faces a moderate risk of flooding due to its proximity to waterways and low-lying areas. Climate change is expected to increase rainfall intensity, exacerbating flood risk.
Trend
increasing
Suburb
Waldegrave, NSW
Overall Risk
Medium
Postcode
2800
Highest high-risk exposure
14% of land (bushfire)

Flood Risk Analysis

Waldegrave, 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.

Historical flood data indicates potential for inundation in low-lying areas.

Waldegrave faces a moderate risk of flooding due to its proximity to waterways and low-lying areas. Climate change is expected to increase rainfall intensity, exacerbating flood risk.

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.

Waldegrave sits within ClimateNest's suburb-level hazard model for flood risk. 3.2% of the suburb's land area is mapped in high-risk flood zones and 84.7% 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 Waldegrave.

Waldegrave (postcode 2800) 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 (14% of land in high-risk zones), surface flood (6% of land in high-risk zones), extreme wind (3.7% of land in high-risk zones). Exposure is not uniform across Waldegrave — 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 Creek
Elevation Range50-70m
Flood Zone ClassificationPartially within flood zone

Historical Events

2011
Moderate

Significant flooding occurred in the region, impacting low-lying areas.

Adaptation & Mitigation Actions

Improve Flood Defenses

Near-term

Invest in drainage upgrades and flood barriers to protect properties.

Est. cost: Medium

Implement Heat Action Plan

Immediate

Develop a plan to protect vulnerable residents during heatwaves, including cooling centers and community outreach.

Est. cost: Low

Bushfire Preparedness

Near-term

Maintain vegetation around properties and develop evacuation plans.

Est. cost: Low

Promote Water Conservation

Long-term

Encourage water-saving measures to reduce strain on water resources during droughts.

Est. cost: Low

Council & Emergency Services

Local Council
Emergency Services

Data last updated: 2 May 2026

Explore Waldegrave Risk Reports

Frequently Asked Questions

Is Waldegrave at risk of flooding?

Based on available data, Waldegrave 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 Waldegrave?

Insurance costs for flood cover in Waldegrave 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 Waldegrave?

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

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

ClimateNest's hazard overlay maps 14% of Waldegrave in high-risk zones for bushfire, with a further 58.5% 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 Waldegrave Safe from Climate Risk?

Enter your address below for an instant climate risk assessment for Waldegrave, New South Wales, covering flood, bushfire, sea level rise and more.

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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