📮 Centennial Park postcode: 2021

Flood Risk in Centennial Park, NSW: 2026 Assessment

Centennial Park, New South Wales· City of Sydney· 2021
Centennial Park has a moderate risk of flooding due to its proximity to low-lying areas and drainage infrastructure. Localized flooding can occur during heavy rainfall events.Updated 25 May 2026

Flood Risk Score

4.0/10

Centennial Park has a moderate risk of flooding due to its proximity to low-lying areas and drainage infrastructure. Localized flooding can occur during heavy rainfall events.

Key Facts

Flood Risk
Centennial Park has a moderate risk of flooding due to its proximity to low-lying areas and drainage infrastructure. Localized flooding can occur during heavy rainfall events.
Trend
stable
Suburb
Centennial Park, NSW
Overall Risk
Medium
Postcode
2021
Region
Greater Sydney
Median property value
$1.6 million
Dominant hazard
extreme heat (5/10)
Highest high-risk exposure
12.9% of land (bushfire)

Flood Risk Analysis

Centennial Park, 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.

Localized flooding can occur in low-lying areas during heavy rainfall events. Drainage improvements are ongoing.

Centennial Park has a moderate risk of flooding due to its proximity to low-lying areas and drainage infrastructure. Localized flooding can occur during heavy rainfall events.

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.

Centennial Park sits within ClimateNest's suburb-level hazard model for flood risk. 2.9% of the suburb's land area is mapped in high-risk flood zones and 71.2% 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 Centennial Park.

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

Centennial Park located in Greater Sydney (postcode 2021), 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 Centennial Park.

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

Local Hazard Evidence

Nearest WaterwayLachlan Swamps
Elevation Range20-40 meters
Flood Zone ClassificationLow to moderate risk areas identified

Historical Events

2011
Moderate

Significant rainfall event led to flash flooding in low-lying areas of Centennial Park, impacting local businesses and residences.

1990
Minor

Localized flooding occurred in Centennial Park due to heavy rainfall, causing minor property damage.

Adaptation & Mitigation Actions

Increase urban green spaces

Near-term

Plant more trees and create green spaces to reduce the urban heat island effect and provide shade.

Est. cost: Medium

Improve drainage infrastructure

Near-term

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

Est. cost: High

Develop a heatwave management plan

Immediate

Implement a plan to protect vulnerable populations during heatwaves, including cooling centers and public awareness campaigns.

Est. cost: Low

Promote water-sensitive urban design

Long-term

Incorporate water-sensitive design principles in new developments to reduce stormwater runoff and improve water quality.

Est. cost: Medium

Council & Emergency Services

City of Sydney
Emergency Services

Data last updated: 25 May 2026

Explore Centennial Park Risk Reports

Frequently Asked Questions

Is Centennial Park at risk of flooding?

Based on available data, Centennial Park 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 Centennial Park?

Insurance costs for flood cover in Centennial Park 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 Centennial Park?

Yes, flood risk can affect property values in Centennial Park. 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 Centennial Park?

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

ClimateNest's suburb model rates Centennial Park'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 Centennial Park.

What share of Centennial Park is exposed to high bushfire risk?

ClimateNest's hazard overlay maps 12.9% of Centennial Park in high-risk zones for bushfire, with a further 76.8% 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 Centennial Park Safe from Climate Risk?

Enter your address below for an instant climate risk assessment for Centennial Park, 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