📮 bonython postcode: 2905

Flood Risk in bonython, ACT: 2026 Assessment

bonython, Australian Capital Territory· UNKNOWN· 2905
Bonython 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 15 Mar 2026

Flood Risk Score

4.5/10

Bonython 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
Bonython 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
bonython, ACT
Overall Risk
Medium
Postcode
2905
Region
ACT
Median property value
$875,000
Dominant hazard
bushfire (6/10)
Highest high-risk exposure
8% of land (surface flood)

Flood Risk Analysis

bonython, 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.

Areas near Tuggeranong Creek are more susceptible to flooding.

Bonython 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.

bonython sits within ClimateNest's suburb-level hazard model for flood risk. 4.1% of the suburb's land area is mapped in high-risk flood zones and 67.5% 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 bonython.

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

bonython (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 bonython.

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

Local Hazard Evidence

Nearest WaterwayTuggeranong Creek
Elevation Range600-620m
Flood Zone ClassificationMedium

Historical Events

2022
Moderate

Heavy rainfall in late 2022 led to localized flooding in parts of Bonython, causing damage to property and infrastructure.

Adaptation & Mitigation Actions

Improve stormwater drainage

Near-term

Upgrade stormwater infrastructure to handle increased rainfall intensity and reduce the risk of flooding.

Est. cost: Medium

Implement bushfire management strategies

Immediate

Reduce fuel loads around properties and improve bushfire preparedness through community education and hazard reduction burns.

Est. cost: Low

Promote energy efficiency and green infrastructure

Near-term

Reduce the urban heat island effect by promoting energy-efficient building design, planting trees, and creating green spaces.

Est. cost: Medium

Develop a heatwave response plan

Immediate

Establish a heatwave response plan to protect vulnerable populations during extreme heat events, including cooling centers and community outreach programs.

Est. cost: Low

Council & Emergency Services

ACT Government
Emergency Services

Data last updated: 15 March 2026

Explore bonython Risk Reports

Frequently Asked Questions

Is bonython at risk of flooding?

Based on available data, bonython 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 bonython?

Insurance costs for flood cover in bonython 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 bonython?

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

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

ClimateNest's suburb model rates bonython'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 bonython.

What share of bonython is exposed to high surface flood risk?

ClimateNest's hazard overlay maps 8% of bonython in high-risk zones for surface flood, with a further 77.1% 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 bonython Safe from Climate Risk?

Enter your address below for an instant climate risk assessment for bonython, 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