Flood Risk in Drummoyne, NSW: 2026 Assessment
Flood Risk Score
6.5/10Drummoyne faces a moderate risk of flooding due to its proximity to the Parramatta River and low-lying areas. Increased rainfall intensity and sea level rise could exacerbate this risk.
Key Facts
- Flood Risk
- Drummoyne faces a moderate risk of flooding due to its proximity to the Parramatta River and low-lying areas. Increased rainfall intensity and sea level rise could exacerbate this risk.
- Trend
- increasing
- Suburb
- Drummoyne, NSW
- Overall Risk
- Medium
- Postcode
- 2047
- Region
- Greater Sydney
- Median property value
- $1.6 million
- Dominant hazard
- extreme heat (5/10)
- Highest high-risk exposure
- 8.8% of land (bushfire)
Flood Risk Analysis
Drummoyne, 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 events have impacted properties along the riverfront. Council is undertaking flood mitigation works.
Drummoyne faces a moderate risk of flooding due to its proximity to the Parramatta River and low-lying areas. Increased rainfall intensity and sea level rise could exacerbate this 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.
Drummoyne sits within ClimateNest's suburb-level hazard model for flood risk. 6% of the suburb's land area is mapped in high-risk flood zones and 64.5% 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 Drummoyne.
On ClimateNest's 0–10 suburb hazard index, Drummoyne scores 3 for flood risk — a lower exposure relative to the Australian suburb range. For comparison, properties in Drummoyne can still sit well above or below this suburb average depending on elevation, distance to waterways or vegetation, and local drainage.
Drummoyne located in Greater Sydney (postcode 2047), is a New South Wales suburb tracked by ClimateNest. The suburb's median property value is $1.6 million, and understanding climate exposure is becoming a standard part of due diligence for buyers, lenders and insurers pricing property in Drummoyne.
Across the six hazard axes ClimateNest models, the dominant climate risk in Drummoyne is extreme heat (score 5/10), with moderate exposure. Insurance signals for the suburb point to premiums rising moderately (+20% by 2030). These suburb-level signals help prioritise which properties need the closest look — the actual risk of any single home can only be confirmed with an address-level report.
Whether you are buying, selling or renovating in Drummoyne, extreme heat is the hazard to weigh first. Local council planning controls, state hazard mapping and lender climate policies each reference this kind of suburb-level signal, and property decisions in Drummoyne are increasingly made with an address-level climate report in hand.
Local Hazard Evidence
Historical Events
Significant rainfall events led to localized flooding in Drummoyne, impacting roads and some residential areas.
Heavy rainfall caused flooding in low-lying areas of Drummoyne, particularly near the Parramatta River.
Adaptation & Mitigation Actions
Improve stormwater drainage
Near-termUpgrade stormwater infrastructure to handle increased rainfall intensity and reduce the risk of flooding.
Est. cost: Medium
Strengthen coastal defenses
Near-termImplement measures to protect foreshore areas from erosion and sea level rise, such as seawalls and beach nourishment.
Est. cost: High
Increase green spaces
Near-termPlant more trees and create green spaces to reduce the urban heat island effect and provide shade.
Est. cost: Medium
Promote energy efficiency
Long-termEncourage residents to improve home insulation and install energy-efficient appliances to reduce energy consumption and greenhouse gas emissions.
Est. cost: Low to Medium
Develop community emergency plans
ImmediateCreate community-based emergency plans to prepare for and respond to extreme weather events, such as floods and heatwaves.
Est. cost: Low
Council & Emergency Services
Explore Drummoyne Risk Reports
View other climate risk assessments for Drummoyne:
Frequently Asked Questions
Is Drummoyne at risk of flooding?
Based on available data, Drummoyne 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 Drummoyne?
Insurance costs for flood cover in Drummoyne 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 Drummoyne?
Yes, flood risk can affect property values in Drummoyne. 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 Drummoyne?
Elevation is a critical factor in flood risk. Properties at higher elevations within Drummoyne 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 are the main climate risks in Drummoyne?
ClimateNest's suburb model rates Drummoyne's dominant climate risk as extreme heat at 5/10 on a 0–10 index, followed by damaging wind (4/10) and severe storm (4/10). These are suburb-level averages — an address-level report is needed to confirm the risk of a specific property in Drummoyne.
What share of Drummoyne is exposed to high bushfire risk?
ClimateNest's hazard overlay maps 8.8% of Drummoyne in high-risk zones for bushfire, with a further 79.7% 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 Drummoyne Safe from Climate Risk?
Enter your address below for an instant climate risk assessment for Drummoyne, New South Wales, covering flood, bushfire, sea level rise and more.
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Full report from A$69 · Australian addresses only · 8 hazard scores · Insurance trajectory · 2030 & 2050 projections