📮 chisholm postcode: 2905

Flood Risk in chisholm, ACT: 2026 Assessment

chisholm, Australian Capital Territory· UNKNOWN· 2905
Chisholm faces a moderate risk of flooding, primarily from heavy rainfall events and potential overflow from nearby waterways. Development patterns and stormwater management play a crucial role.Updated 10 Mar 2026

Flood Risk Score

4.5/10

Chisholm faces a moderate risk of flooding, primarily from heavy rainfall events and potential overflow from nearby waterways. Development patterns and stormwater management play a crucial role.

Key Facts

Flood Risk
Chisholm faces a moderate risk of flooding, primarily from heavy rainfall events and potential overflow from nearby waterways. Development patterns and stormwater management play a crucial role.
Trend
increasing
Suburb
chisholm, ACT
Overall Risk
Medium
Postcode
2905
Region
ACT
Median property value
$875,000
Dominant hazard
bushfire (6/10)
Highest high-risk exposure
16% of land (bushfire)

Flood Risk Analysis

chisholm, located in Australian Capital Territory, 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 Australian Capital Territory.

Local drainage infrastructure is designed to manage typical rainfall events, but extreme rainfall can overwhelm the system.

Chisholm faces a moderate risk of flooding, primarily from heavy rainfall events and potential overflow from nearby waterways. Development patterns and stormwater management play a crucial role.

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.

chisholm sits within ClimateNest's suburb-level hazard model for flood risk. 3.9% of the suburb's land area is mapped in high-risk flood zones and 76.1% 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 chisholm.

On ClimateNest's 0–10 suburb hazard index, chisholm scores 2 for flood risk — a lower exposure relative to the Australian suburb range. For comparison, properties in chisholm can still sit well above or below this suburb average depending on elevation, distance to waterways or vegetation, and local drainage.

chisholm (postcode 2905), is an Australian Capital Territory suburb tracked by ClimateNest. The suburb's median property value is $875,000, and understanding climate exposure is becoming a standard part of due diligence for buyers, lenders and insurers pricing property in chisholm.

Across the six hazard axes ClimateNest models, the dominant climate risk in chisholm is bushfire (score 6/10), with moderate exposure. Insurance signals for the suburb point to premiums rising moderately (+30% 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 chisholm, bushfire 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 chisholm are increasingly made with an address-level climate report in hand.

Local Hazard Evidence

Nearest WaterwayGudgenby River
Elevation Range600-650m
Flood Zone ClassificationPotentially affected by local overland flow

Adaptation & Mitigation Actions

Improve stormwater drainage

Near-term

Upgrade stormwater infrastructure to handle increased rainfall intensity and reduce flood risk.

Est. cost: Medium

Implement a heatwave action plan

Immediate

Develop and implement a heatwave action plan to protect vulnerable populations during extreme heat events.

Est. cost: Low

Strengthen bushfire preparedness

Near-term

Provide residents with information and resources to prepare for bushfires, including maintaining firebreaks and developing evacuation plans.

Est. cost: Low

Promote water conservation

Long-term

Encourage residents to conserve water through education and incentives, reducing demand on water resources during droughts.

Est. cost: Low

Council & Emergency Services

ACT Government
Emergency Services

Data last updated: 10 March 2026

Explore chisholm Risk Reports

Frequently Asked Questions

Is chisholm at risk of flooding?

Based on available data, chisholm 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 chisholm?

Insurance costs for flood cover in chisholm 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 chisholm?

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

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

ClimateNest's suburb model rates chisholm's dominant climate risk as bushfire at 6/10 on a 0–10 index, followed by extreme heat (5/10) and damaging wind (5/10). These are suburb-level averages — an address-level report is needed to confirm the risk of a specific property in chisholm.

What share of chisholm is exposed to high bushfire risk?

ClimateNest's hazard overlay maps 16% of chisholm in high-risk zones for bushfire, with a further 55% 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 chisholm Safe from Climate Risk?

Enter your address below for an instant climate risk assessment for chisholm, Australian Capital Territory, 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