📮 Burraneer postcode: 2230

Flood Risk in Burraneer, NSW: 2026 Assessment

Burraneer, New South Wales· Sutherland Shire· 2230
Burraneer faces a moderate risk of flooding due to its proximity to waterways and low-lying areas. Intense rainfall events can lead to stormwater runoff and potential inundation.Updated 26 May 2026

Flood Risk Score

6.5/10

Burraneer faces a moderate risk of flooding due to its proximity to waterways and low-lying areas. Intense rainfall events can lead to stormwater runoff and potential inundation.

Key Facts

Flood Risk
Burraneer faces a moderate risk of flooding due to its proximity to waterways and low-lying areas. Intense rainfall events can lead to stormwater runoff and potential inundation.
Trend
increasing
Suburb
Burraneer, NSW
Overall Risk
Medium
Postcode
2230
Region
Greater Sydney
Median property value
$1.6 million
Dominant hazard
extreme heat (5/10)
Highest high-risk exposure
12.6% of land (surface flood)

Flood Risk Analysis

Burraneer, 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 drainage infrastructure is being upgraded to mitigate flood risks.

Burraneer faces a moderate risk of flooding due to its proximity to waterways and low-lying areas. Intense rainfall events can lead to stormwater runoff and potential inundation.

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.

Burraneer sits within ClimateNest's suburb-level hazard model for flood risk. 5.3% of the suburb's land area is mapped in high-risk flood zones and 67.7% 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 Burraneer.

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

Burraneer located in Greater Sydney (postcode 2230), 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 Burraneer.

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

Local Hazard Evidence

Nearest WaterwayGunnamatta Bay
Elevation Range0-30 meters
Flood Zone ClassificationAreas near Gunnamatta Bay are susceptible to flooding.

Historical Events

2022
Moderate

Heavy rainfall caused flash flooding in low-lying areas of Burraneer, leading to property damage and road closures.

Adaptation & Mitigation Actions

Improve stormwater drainage

Near-term

Upgrade stormwater drainage infrastructure to reduce the risk of flash flooding during heavy rainfall events.

Est. cost: Medium

Implement bushfire management strategies

Immediate

Conduct regular hazard reduction burns and maintain firebreaks to reduce the risk of bushfires spreading to residential areas.

Est. cost: Low

Develop a heatwave response plan

Near-term

Establish cooling centers and provide support to vulnerable populations during heatwaves.

Est. cost: Low

Protect coastal areas

Long-term

Implement coastal protection measures, such as seawalls and beach nourishment, to reduce the risk of coastal erosion and inundation.

Est. cost: High

Community awareness programs

Immediate

Educate residents about climate risks and adaptation measures through workshops and online resources.

Est. cost: Low

Council & Emergency Services

Sutherland Shire Council
Emergency Services

Data last updated: 26 May 2026

Explore Burraneer Risk Reports

Frequently Asked Questions

Is Burraneer at risk of flooding?

Based on available data, Burraneer 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 Burraneer?

Insurance costs for flood cover in Burraneer 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 Burraneer?

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

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

ClimateNest's suburb model rates Burraneer'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 Burraneer.

What share of Burraneer is exposed to high surface flood risk?

ClimateNest's hazard overlay maps 12.6% of Burraneer in high-risk zones for surface flood, with a further 70.1% 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 Burraneer Safe from Climate Risk?

Enter your address below for an instant climate risk assessment for Burraneer, 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