Flood Risk in Ten Mile Hollow, NSW: 2026 Assessment

Ten Mile Hollow, New South Wales· UNKNOWN
Flooding may pose a risk to properties in Ten Mile Hollow, particularly those located near waterways or in low-lying areas. Climate change is expected to increase rainfall intensity, potentially exacerbating flood risk.Updated 7 May 2026

Flood Risk Score

4.0/10

Flooding may pose a risk to properties in Ten Mile Hollow, particularly those located near waterways or in low-lying areas. Climate change is expected to increase rainfall intensity, potentially exacerbating flood risk.

Key Facts

Flood Risk
Flooding may pose a risk to properties in Ten Mile Hollow, particularly those located near waterways or in low-lying areas. Climate change is expected to increase rainfall intensity, potentially exacerbating flood risk.
Trend
increasing
Suburb
Ten Mile Hollow, NSW
Overall Risk
Medium
Postcode
2250
Highest high-risk exposure
19.2% of land (bushfire)

Flood Risk Analysis

Ten Mile Hollow, 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 for specific flood studies and maps.

Flooding may pose a risk to properties in Ten Mile Hollow, particularly those located near waterways or in low-lying areas. Climate change is expected to increase rainfall intensity, potentially 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.

Ten Mile Hollow sits within ClimateNest's suburb-level hazard model for flood risk. 3.8% of the suburb's land area is mapped in high-risk flood zones and 84% 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 Ten Mile Hollow.

Ten Mile Hollow (postcode 2250) 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 (19.2% of land in high-risk zones), surface flood (6.1% of land in high-risk zones), riverine flood (3.8% of land in high-risk zones). Exposure is not uniform across Ten Mile Hollow — 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 drainage systems
Elevation RangeVaries across the suburb
Flood Zone ClassificationPotentially affected areas near waterways

Historical Events

2017
Minor

Heavy rainfall caused localized flooding in low-lying areas of the region.

Adaptation & Mitigation Actions

Develop a community bushfire plan

Immediate

Create a plan to prepare for and respond to bushfires, including evacuation routes and emergency contacts.

Est. cost: Low

Improve home cooling and insulation

Near-term

Install insulation and efficient cooling systems to reduce the impact of heatwaves.

Est. cost: Medium

Upgrade drainage infrastructure

Near-term

Improve drainage systems to reduce the risk of flooding during heavy rainfall events.

Est. cost: High

Plant trees and vegetation

Long-term

Increase tree cover to provide shade and reduce the urban heat island effect.

Est. cost: Low

Council & Emergency Services

UNKNOWN
Emergency Services

Data last updated: 7 May 2026

Explore Ten Mile Hollow Risk Reports

Frequently Asked Questions

Is Ten Mile Hollow at risk of flooding?

Based on available data, Ten Mile Hollow 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 Ten Mile Hollow?

Insurance costs for flood cover in Ten Mile Hollow 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 Ten Mile Hollow?

Yes, flood risk can affect property values in Ten Mile Hollow. 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 Ten Mile Hollow?

Elevation is a critical factor in flood risk. Properties at higher elevations within Ten Mile Hollow 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 Ten Mile Hollow is exposed to high bushfire risk?

ClimateNest's hazard overlay maps 19.2% of Ten Mile Hollow in high-risk zones for bushfire, with a further 69.7% 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 Ten Mile Hollow Safe from Climate Risk?

Enter your address below for an instant climate risk assessment for Ten Mile Hollow, 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