📮 Balgownie postcode: 2519

Flood Risk in Balgownie, NSW: 2026 Assessment

Balgownie, New South Wales· Wollongong· 2519
Balgownie faces a moderate risk of flooding due to its proximity to creeks and the potential for heavy rainfall. Climate change is expected to increase the intensity of rainfall events, exacerbating flood risk.Updated 1 May 2026

Flood Risk Score

6.5/10

Balgownie faces a moderate risk of flooding due to its proximity to creeks and the potential for heavy rainfall. Climate change is expected to increase the intensity of rainfall events, exacerbating flood risk.

Key Facts

Flood Risk
Balgownie faces a moderate risk of flooding due to its proximity to creeks and the potential for heavy rainfall. Climate change is expected to increase the intensity of rainfall events, exacerbating flood risk.
Trend
increasing
Suburb
Balgownie, NSW
Overall Risk
Medium
Postcode
2519
Region
Coastal NSW
Median property value
$925,000
Dominant hazard
extreme heat (5/10)
Highest high-risk exposure
22.2% of land (bushfire)

Flood Risk Analysis

Balgownie, 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 near the creek. Council is undertaking flood mitigation works.

Balgownie faces a moderate risk of flooding due to its proximity to creeks and the potential for heavy rainfall. Climate change is expected to increase the intensity of rainfall events, exacerbating flood 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.

Balgownie sits within ClimateNest's suburb-level hazard model for flood risk. 12.8% of the suburb's land area is mapped in high-risk flood zones and 78.4% 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 Balgownie.

On ClimateNest's 0–10 suburb hazard index, Balgownie scores 4 for flood risk — a moderate exposure relative to the Australian suburb range. For comparison, properties in Balgownie can still sit well above or below this suburb average depending on elevation, distance to waterways or vegetation, and local drainage.

Balgownie located in Coastal NSW (postcode 2519), is a New South Wales suburb tracked by ClimateNest. The suburb's median property value is $925,000, and understanding climate exposure is becoming a standard part of due diligence for buyers, lenders and insurers pricing property in Balgownie.

Across the six hazard axes ClimateNest models, the dominant climate risk in Balgownie is extreme heat (score 5/10), with moderate exposure. Insurance signals for the suburb point to premiums rising moderately (+30% 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 Balgownie, 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 Balgownie are increasingly made with an address-level climate report in hand.

Local Hazard Evidence

Nearest WaterwayCabbage Tree Creek
Elevation Range50-200m
Flood Zone ClassificationAreas near Cabbage Tree Creek are susceptible to flooding.

Historical Events

2007
Moderate

Heavy rainfall caused flooding in low-lying areas of Balgownie, impacting homes and businesses.

Adaptation & Mitigation Actions

Improve Flood Defenses

Near-term

Invest in flood mitigation infrastructure, such as levees and drainage improvements, to protect properties from flooding.

Est. cost: High

Reduce Bushfire Risk

Near-term

Implement bushfire management strategies, such as hazard reduction burns and community education programs, to reduce the risk of bushfires.

Est. cost: Medium

Prepare for Heatwaves

Immediate

Develop a heatwave plan and provide cooling centers for vulnerable populations to reduce the health impacts of heatwaves.

Est. cost: Low

Plan for Sea Level Rise

Long-term

Incorporate sea level rise projections into coastal planning and development decisions to ensure that new development is resilient to coastal hazards.

Est. cost: High

Council & Emergency Services

Wollongong City Council
Emergency Services

Data last updated: 1 May 2026

Explore Balgownie Risk Reports

Frequently Asked Questions

Is Balgownie at risk of flooding?

Based on available data, Balgownie 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 Balgownie?

Insurance costs for flood cover in Balgownie 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 Balgownie?

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

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

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

What share of Balgownie is exposed to high bushfire risk?

ClimateNest's hazard overlay maps 22.2% of Balgownie in high-risk zones for bushfire, with a further 54.5% 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 Balgownie Safe from Climate Risk?

Enter your address below for an instant climate risk assessment for Balgownie, New South Wales, covering flood, bushfire, sea level rise and more.

Free instant previewCSIRO-powered data

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