Flood Risk in Burwood Heights, NSW: 2026 Assessment

Burwood Heights, New South Wales· UNKNOWN
Burwood Heights faces a moderate risk of flooding, primarily from heavy rainfall events and potential stormwater runoff. The area's topography and existing drainage infrastructure contribute to this risk.Updated 2 May 2026

Flood Risk Score

6.5/10

Burwood Heights faces a moderate risk of flooding, primarily from heavy rainfall events and potential stormwater runoff. The area's topography and existing drainage infrastructure contribute to this risk.

Key Facts

Flood Risk
Burwood Heights faces a moderate risk of flooding, primarily from heavy rainfall events and potential stormwater runoff. The area's topography and existing drainage infrastructure contribute to this risk.
Trend
increasing
Suburb
Burwood Heights, NSW
Overall Risk
Medium
Postcode
2136
Region
Greater Sydney
Median property value
$1.6 million
Dominant hazard
extreme heat (5/10)
Highest high-risk exposure
15% of land (bushfire)

Flood Risk Analysis

Burwood Heights, 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 localized flooding during heavy rainfall events.

Burwood Heights faces a moderate risk of flooding, primarily from heavy rainfall events and potential stormwater runoff. The area's topography and existing drainage infrastructure contribute to 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.

Burwood Heights sits within ClimateNest's suburb-level hazard model for flood risk. 4.5% of the suburb's land area is mapped in high-risk flood zones and 76.4% 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 Burwood Heights.

On ClimateNest's 0–10 suburb hazard index, Burwood Heights scores 3 for flood risk — a lower exposure relative to the Australian suburb range. For comparison, properties in Burwood Heights can still sit well above or below this suburb average depending on elevation, distance to waterways or vegetation, and local drainage.

Burwood Heights located in Greater Sydney (postcode 2136), 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 Burwood Heights.

Across the six hazard axes ClimateNest models, the dominant climate risk in Burwood Heights 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 Burwood Heights, 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 Burwood Heights are increasingly made with an address-level climate report in hand.

Local Hazard Evidence

Nearest WaterwayParramatta River
Elevation Range20-40 meters
Flood Zone ClassificationLow to Moderate

Historical Events

2022
Moderate

Heavy rainfall caused localized flooding in low-lying areas of Burwood Heights.

Adaptation & Mitigation Actions

Upgrade Drainage Infrastructure

Immediate

Invest in upgrading stormwater drainage systems to handle increased rainfall intensity and reduce the risk of flooding.

Est. cost: High

Increase Green Spaces

Near-term

Plant more trees and create green spaces to reduce the urban heat island effect and provide shade during heatwaves.

Est. cost: Medium

Implement Heatwave Early Warning System

Immediate

Develop and implement a heatwave early warning system to alert residents of impending heatwaves and provide guidance on how to stay safe.

Est. cost: Low

Community Education Programs

Long-term

Conduct community education programs to raise awareness about climate risks and promote adaptation measures.

Est. cost: Low

Council & Emergency Services

Burwood Council
Emergency Services

Data last updated: 2 May 2026

Explore Burwood Heights Risk Reports

Frequently Asked Questions

Is Burwood Heights at risk of flooding?

Based on available data, Burwood Heights 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 Burwood Heights?

Insurance costs for flood cover in Burwood Heights 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 Burwood Heights?

Yes, flood risk can affect property values in Burwood Heights. 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 Burwood Heights?

Elevation is a critical factor in flood risk. Properties at higher elevations within Burwood Heights 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 Burwood Heights?

ClimateNest's suburb model rates Burwood Heights'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 Burwood Heights.

What share of Burwood Heights is exposed to high bushfire risk?

ClimateNest's hazard overlay maps 15% of Burwood Heights in high-risk zones for bushfire, with a further 64.9% 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 Burwood Heights Safe from Climate Risk?

Enter your address below for an instant climate risk assessment for Burwood Heights, 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