Flood Risk in Holts Flat, NSW: 2026 Assessment

Holts Flat, New South Wales· UNKNOWN
Holts Flat faces 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 2 May 2026

Flood Risk Score

6.5/10

Holts Flat faces 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
Holts Flat faces 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
Holts Flat, NSW
Overall Risk
Medium
Postcode
2631
Highest high-risk exposure
17.5% of land (bushfire)

Flood Risk Analysis

Holts Flat, 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.

Check local council flood maps for specific property risks.

Holts Flat faces 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.

Holts Flat sits within ClimateNest's suburb-level hazard model for flood risk. 10.3% of the suburb's land area is mapped in high-risk flood zones and 83% 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 Holts Flat.

Holts Flat (postcode 2631) 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 bushfire (17.5% of land in high-risk zones), surface flood (11.2% of land in high-risk zones), riverine flood (10.3% of land in high-risk zones). Exposure is not uniform across Holts Flat — 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 WaterwayLocal creeks and streams
Elevation RangeVaries, some low-lying areas
Flood Zone ClassificationPotentially affected areas near waterways

Historical Events

2011
Moderate

Significant flooding event impacted the region, causing property damage and road closures.

Adaptation & Mitigation Actions

Improve Flood Defenses

Near-term

Invest in flood barriers and drainage improvements to protect properties from increased flood risk.

Est. cost: Medium

Enhance Bushfire Preparedness

Near-term

Clear vegetation around properties, develop evacuation plans, and install fire-resistant materials.

Est. cost: Low

Implement Heatwave Action Plan

Immediate

Establish cooling centers, provide public education on heatwave safety, and ensure access to water and shade.

Est. cost: Low

Upgrade Infrastructure

Long-term

Upgrade critical infrastructure to withstand extreme weather events, including power grids and transportation networks.

Est. cost: High

Council & Emergency Services

UNKNOWN
Emergency Services

Data last updated: 2 May 2026

Explore Holts Flat Risk Reports

Frequently Asked Questions

Is Holts Flat at risk of flooding?

Based on available data, Holts Flat 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 Holts Flat?

Insurance costs for flood cover in Holts Flat 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 Holts Flat?

Yes, flood risk can affect property values in Holts Flat. 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 Holts Flat?

Elevation is a critical factor in flood risk. Properties at higher elevations within Holts Flat 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 Holts Flat is exposed to high bushfire risk?

ClimateNest's hazard overlay maps 17.5% of Holts Flat in high-risk zones for bushfire, with a further 76.4% 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 Holts Flat Safe from Climate Risk?

Enter your address below for an instant climate risk assessment for Holts Flat, 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