Flood Risk in Yarramundi, NSW: 2026 Assessment
Flood Risk Score
8.5/10Yarramundi is highly susceptible to flooding due to its location near the Grose River and Hawkesbury River. Historical flood events and projected climate change impacts increase the risk.
Key Facts
- Flood Risk
- Yarramundi is highly susceptible to flooding due to its location near the Grose River and Hawkesbury River. Historical flood events and projected climate change impacts increase the risk.
- Trend
- increasing
- Suburb
- Yarramundi, NSW
- Overall Risk
- High
- Postcode
- 2753
- Highest high-risk exposure
- 14% of land (bushfire)
Flood Risk Analysis
Yarramundi, 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 frequent inundation of low-lying areas. The Warragamba Dam also plays a role in flood management.
Yarramundi is highly susceptible to flooding due to its location near the Grose River and Hawkesbury River. Historical flood events and projected climate change impacts increase the 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.
Yarramundi sits within ClimateNest's suburb-level hazard model for flood risk. 3.8% of the suburb's land area is mapped in high-risk flood zones and 66.5% 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 Yarramundi.
Yarramundi (postcode 2753) 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 (4.7% of land in high-risk zones), riverine flood (3.8% of land in high-risk zones). Exposure is not uniform across Yarramundi 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
Historical Events
Severe flooding of the Hawkesbury River caused widespread damage and evacuations in Yarramundi.
Significant flooding along the Grose River affected Yarramundi.
Major flooding of the Hawkesbury River inundated large parts of Yarramundi.
Adaptation & Mitigation Actions
Improve Flood Defenses
ImmediateInvest in flood levees and drainage systems to protect properties from inundation.
Est. cost: High
Strengthen Bushfire Preparedness
ImmediateImplement bushfire hazard reduction programs and improve community education on bushfire safety.
Est. cost: Medium
Develop Heatwave Management Plan
Near-termEstablish cooling centers and provide support for vulnerable residents during heatwaves.
Est. cost: Low
Enhance Emergency Response Capacity
Near-termIncrease the capacity of emergency services to respond to flood, bushfire, and heatwave events.
Est. cost: Medium
Review Land Use Planning
Long-termIncorporate climate change projections into land use planning decisions to avoid development in high-risk areas.
Est. cost: Low
Council & Emergency Services
Explore Yarramundi Risk Reports
View other climate risk assessments for Yarramundi:
Frequently Asked Questions
Is Yarramundi at risk of flooding?
Based on available data, Yarramundi 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 Yarramundi?
Insurance costs for flood cover in Yarramundi 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 Yarramundi?
Yes, flood risk can affect property values in Yarramundi. 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 Yarramundi?
Elevation is a critical factor in flood risk. Properties at higher elevations within Yarramundi 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 Yarramundi is exposed to high bushfire risk?
ClimateNest's hazard overlay maps 14% of Yarramundi in high-risk zones for bushfire, with a further 77.7% 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 Yarramundi Safe from Climate Risk?
Enter your address below for an instant climate risk assessment for Yarramundi, New South Wales, covering flood, bushfire, sea level rise and more.
What A$69 could save you from
*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