๐Ÿ“ฎ Miranda postcode: 2228

Flood Risk in Miranda, SA: 2026 Assessment

Miranda, South Australiaยท Sutherland Shireยท 2228
Miranda has a moderate risk of flooding due to its proximity to waterways and low-lying areas. Climate change is expected to increase rainfall intensity, exacerbating flood risk.Updated 26 May 2026

Flood Risk Score

6.5/10

Miranda has a moderate risk of flooding due to its proximity to waterways and low-lying areas. Climate change is expected to increase rainfall intensity, exacerbating flood risk.

Key Facts

Flood Risk
Miranda has a moderate risk of flooding due to its proximity to waterways and low-lying areas. Climate change is expected to increase rainfall intensity, exacerbating flood risk.
Trend
increasing
Suburb
Miranda, SA
Overall Risk
Medium
Postcode
5700
Highest high-risk exposure
11.3% of land (surface flood)

Flood Risk Analysis

Miranda, located in South Australia, 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 South Australia.

Some areas of Miranda are located in known flood zones.

Miranda has a moderate risk of flooding due to its proximity to waterways and low-lying areas. Climate change is expected to increase rainfall intensity, 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.

Miranda sits within ClimateNest's suburb-level hazard model for flood risk. 2.5% of the suburb's land area is mapped in high-risk flood zones and 81.4% 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 Miranda.

Miranda (postcode 5700) is tracked in ClimateNest's suburb hazard model, which maps the share of the suburb's land exposed to each hazard at high and moderate levels. The suburb's highest high-risk exposures are surface flood (11.3% of land in high-risk zones), bushfire (11% of land in high-risk zones), extreme wind (5.5% of land in high-risk zones). Exposure is not uniform across Miranda โ€” individual properties can sit well above or below these averages, so an address-level check is recommended before buying, selling or insuring.

Local Hazard Evidence

Nearest WaterwayPort Hacking
Elevation Range0-50 meters
Flood Zone ClassificationYes

Historical Events

2022
Moderate

Heavy rainfall caused flash flooding in parts of Miranda.

Adaptation & Mitigation Actions

Improve flood defenses

Near-term

Invest in infrastructure to protect properties from flooding.

Est. cost: High

Reduce urban heat island effect

Near-term

Plant trees and use cool pavements to reduce temperatures.

Est. cost: Medium

Strengthen building codes

Long-term

Ensure new buildings are resilient to extreme weather.

Est. cost: Medium

Develop community emergency plans

Immediate

Prepare for heatwaves, floods, and bushfires.

Est. cost: Low

Council & Emergency Services

Sutherland Shire Council
Emergency Services

Data last updated: 26 May 2026

Explore Miranda Risk Reports

Frequently Asked Questions

Is Miranda at risk of flooding?

Based on available data, Miranda has a notable flood risk profile. Flood risk varies by address โ€” check your specific property for precise flood zone mapping and elevation data with ClimateNest.

What flood insurance costs can I expect in Miranda?

Insurance costs for flood cover in Miranda 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 Miranda?

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

Elevation is a critical factor in flood risk. Properties at higher elevations within Miranda 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 share of Miranda is exposed to high surface flood risk?

ClimateNest's hazard overlay maps 11.3% of Miranda in high-risk zones for surface flood, with a further 73.5% in moderate-risk zones. Suburb-level exposure is not uniform โ€” individual properties can differ from these averages, so an address-level check is recommended.

Is Miranda Safe from Climate Risk?

Enter your address below for an instant climate risk assessment for Miranda, South Australia, 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 ยท Australian addresses only ยท 8 hazard scores ยท Insurance trajectory ยท 2030 & 2050 projections