Flood Risk in Burraboi, NSW: 2026 Assessment

Burraboi, New South Wales· Sutherland Shire
Burraboi faces a moderate risk of flooding, primarily from heavy rainfall and potential riverine overflow. The risk is expected to increase slightly due to climate change.Updated 29 May 2026

Flood Risk Score

4.0/10

Burraboi faces a moderate risk of flooding, primarily from heavy rainfall and potential riverine overflow. The risk is expected to increase slightly due to climate change.

Key Facts

Flood Risk
Burraboi faces a moderate risk of flooding, primarily from heavy rainfall and potential riverine overflow. The risk is expected to increase slightly due to climate change.
Trend
increasing
Suburb
Burraboi, NSW
Overall Risk
Low
Postcode
2732
Region
Regional NSW
Median property value
$550,000
Dominant hazard
extreme heat (6/10)
Highest high-risk exposure
13.7% of land (bushfire)

Flood Risk Analysis

Burraboi, 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.

Some areas may be susceptible to flash flooding during heavy rainfall events.

Burraboi faces a moderate risk of flooding, primarily from heavy rainfall and potential riverine overflow. The risk is expected to increase slightly due to climate change.

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.

Burraboi sits within ClimateNest's suburb-level hazard model for flood risk. 12.7% 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 Burraboi.

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

Burraboi located in Regional NSW (postcode 2732), is a New South Wales suburb tracked by ClimateNest. The suburb's median property value is $550,000, and understanding climate exposure is becoming a standard part of due diligence for buyers, lenders and insurers pricing property in Burraboi.

Across the six hazard axes ClimateNest models, the dominant climate risk in Burraboi is extreme heat (score 6/10), with moderate exposure. Insurance signals for the suburb point to premiums rising moderately (+25% 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 Burraboi, 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 Burraboi are increasingly made with an address-level climate report in hand.

Local Hazard Evidence

Nearest WaterwayPort Hacking
Elevation Range0-20 meters
Flood Zone ClassificationPotentially affected by riverine and flash flooding

Historical Events

2022
Moderate

Heavy rainfall caused localized flooding in parts of the Sutherland Shire, impacting some residential areas.

Adaptation & Mitigation Actions

Improve Drainage Infrastructure

Near-term

Upgrade drainage systems to handle increased rainfall intensity and reduce the risk of flash flooding.

Est. cost: Medium

Implement Heatwave Early Warning System

Immediate

Develop and implement a heatwave early warning system to alert vulnerable populations and provide guidance on staying safe during extreme heat events.

Est. cost: Low

Strengthen Coastal Defenses

Long-term

Invest in coastal protection measures, such as seawalls and beach nourishment, to mitigate the impacts of sea level rise and erosion.

Est. cost: High

Promote Bushfire Preparedness

Near-term

Educate residents on bushfire safety and encourage them to prepare their properties for bushfire season.

Est. cost: Low

Council & Emergency Services

Sutherland Shire Council
Emergency Services

Data last updated: 29 May 2026

Explore Burraboi Risk Reports

Frequently Asked Questions

Is Burraboi at risk of flooding?

Based on available data, Burraboi 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 Burraboi?

Insurance costs for flood cover in Burraboi 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 Burraboi?

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

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

ClimateNest's suburb model rates Burraboi's dominant climate risk as extreme heat at 6/10 on a 0–10 index, followed by bushfire (5/10) and damaging wind (4/10). These are suburb-level averages — an address-level report is needed to confirm the risk of a specific property in Burraboi.

What share of Burraboi is exposed to high bushfire risk?

ClimateNest's hazard overlay maps 13.7% of Burraboi in high-risk zones for bushfire, with a further 68.8% 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 Burraboi Safe from Climate Risk?

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