📮 Bexley postcode: 2207

Flood Risk in Bexley, NSW: 2026 Assessment

Bexley, New South Wales· Bayside· 2207
Bexley faces a moderate risk of flooding due to its proximity to waterways and low-lying areas. Intense rainfall events can lead to stormwater runoff exceeding drainage capacity.Updated 25 May 2026

Flood Risk Score

6.0/10

Bexley faces a moderate risk of flooding due to its proximity to waterways and low-lying areas. Intense rainfall events can lead to stormwater runoff exceeding drainage capacity.

Key Facts

Flood Risk
Bexley faces a moderate risk of flooding due to its proximity to waterways and low-lying areas. Intense rainfall events can lead to stormwater runoff exceeding drainage capacity.
Trend
increasing
Suburb
Bexley, NSW
Overall Risk
Medium
Postcode
2207
Region
Greater Sydney
Median property value
$1.6 million
Dominant hazard
extreme heat (5/10)
Highest high-risk exposure
10.3% of land (bushfire)

Flood Risk Analysis

Bexley, 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 along the Cooks River.

Bexley faces a moderate risk of flooding due to its proximity to waterways and low-lying areas. Intense rainfall events can lead to stormwater runoff exceeding drainage capacity.

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.

Bexley sits within ClimateNest's suburb-level hazard model for flood risk. 6.4% of the suburb's land area is mapped in high-risk flood zones and 69.4% 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 Bexley.

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

Bexley located in Greater Sydney (postcode 2207), 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 Bexley.

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

Local Hazard Evidence

Nearest WaterwayCooks River
Elevation Range5-15 meters
Flood Zone ClassificationPartially within a 100-year flood zone

Historical Events

2011
Minor

Minor flooding occurred along the Cooks River after heavy rainfall.

1990
Moderate

Major flooding along the Cooks River affected Bexley, causing property damage and road closures.

Adaptation & Mitigation Actions

Upgrade Drainage Infrastructure

Immediate

Invest in upgrading and expanding stormwater drainage systems to handle increased rainfall intensity and reduce flood risk.

Est. cost: High

Implement Heat Mitigation Strategies

Near-term

Plant more trees and create green spaces to reduce the urban heat island effect. Promote cool roofs and other heat-reducing building materials.

Est. cost: Medium

Develop Community Emergency Plans

Immediate

Create and disseminate emergency plans for heatwaves and floods, including evacuation routes and shelter locations.

Est. cost: Low

Raise Community Awareness

Near-term

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

Est. cost: Low

Strengthen Building Codes

Long-term

Update building codes to require climate-resilient design and construction, including flood-proofing and heat-resistant materials.

Est. cost: Medium

Council & Emergency Services

Bayside Council
Emergency Services

Data last updated: 25 May 2026

Explore Bexley Risk Reports

Frequently Asked Questions

Is Bexley at risk of flooding?

Based on available data, Bexley 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 Bexley?

Insurance costs for flood cover in Bexley 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 Bexley?

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

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

ClimateNest's suburb model rates Bexley'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 Bexley.

What share of Bexley is exposed to high bushfire risk?

ClimateNest's hazard overlay maps 10.3% of Bexley in high-risk zones for bushfire, with a further 81.4% 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 Bexley Safe from Climate Risk?

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