📮 Burrill Lake postcode: 2536

Flood Risk in Burrill Lake, NSW: 2026 Assessment

Burrill Lake, New South Wales· Shoalhaven· 2536
Burrill Lake is at moderate risk of flooding due to its low-lying areas and proximity to Burrill Lake. Increased rainfall intensity could exacerbate flooding.Updated 25 May 2026

Flood Risk Score

6.5/10

Burrill Lake is at moderate risk of flooding due to its low-lying areas and proximity to Burrill Lake. Increased rainfall intensity could exacerbate flooding.

Key Facts

Flood Risk
Burrill Lake is at moderate risk of flooding due to its low-lying areas and proximity to Burrill Lake. Increased rainfall intensity could exacerbate flooding.
Trend
increasing
Suburb
Burrill Lake, NSW
Overall Risk
Medium
Postcode
2539
Region
Regional NSW
Median property value
$550,000
Dominant hazard
extreme heat (6/10)
Highest high-risk exposure
6.9% of land (riverine flood)

Flood Risk Analysis

Burrill Lake, 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.

Parts of Burrill Lake are within a designated flood zone.

Burrill Lake is at moderate risk of flooding due to its low-lying areas and proximity to Burrill Lake. Increased rainfall intensity could exacerbate flooding.

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.

Burrill Lake sits within ClimateNest's suburb-level hazard model for flood risk. 6.9% of the suburb's land area is mapped in high-risk flood zones and 82.4% 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 Burrill Lake.

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

Burrill Lake located in Regional NSW (postcode 2539), 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 Burrill Lake.

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

Local Hazard Evidence

Nearest WaterwayBurrill Lake
Elevation Range0-10 meters
Flood Zone ClassificationCoastal floodplain

Historical Events

2020
Moderate

Heavy rainfall led to flooding in low-lying areas, affecting local businesses and residents.

2011
Moderate

Major flooding event impacted low-lying areas around Burrill Lake, causing property damage and road closures.

Adaptation & Mitigation Actions

Improve Drainage Infrastructure

Near-term

Upgrade drainage systems to handle increased rainfall and reduce flood risk.

Est. cost: Medium

Develop Heatwave Response Plan

Immediate

Implement a plan to protect vulnerable populations during heatwaves, including cooling centers and community outreach.

Est. cost: Low

Strengthen Coastal Defenses

Long-term

Invest in coastal protection measures, such as seawalls and dune restoration, to mitigate erosion and inundation.

Est. cost: High

Bushfire Management Plan

Near-term

Create and maintain a bushfire management plan for properties and the community, including clearing vegetation and establishing firebreaks.

Est. cost: Low

Community Awareness Programs

Immediate

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

Est. cost: Low

Council & Emergency Services

Shoalhaven City Council
Emergency Services

Data last updated: 25 May 2026

Explore Burrill Lake Risk Reports

Frequently Asked Questions

Is Burrill Lake at risk of flooding?

Based on available data, Burrill Lake 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 Burrill Lake?

Insurance costs for flood cover in Burrill Lake 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 Burrill Lake?

Yes, flood risk can affect property values in Burrill Lake. 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 Burrill Lake?

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

ClimateNest's suburb model rates Burrill Lake'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 Burrill Lake.

What share of Burrill Lake is exposed to high riverine flood risk?

ClimateNest's hazard overlay maps 6.9% of Burrill Lake in high-risk zones for riverine flood, with a further 82.4% 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 Burrill Lake Safe from Climate Risk?

Enter your address below for an instant climate risk assessment for Burrill Lake, 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