📮 Lyons postcode: 2606

Flood Risk in Lyons, ACT: 2026 Assessment

Lyons, Australian Capital Territory· UNKNOWN· 2606
Lyons has a moderate risk of flooding due to its proximity to waterways and low-lying areas. Increased rainfall intensity could exacerbate this risk.Updated 17 Mar 2026

Flood Risk Score

4.5/10

Lyons has a moderate risk of flooding due to its proximity to waterways and low-lying areas. Increased rainfall intensity could exacerbate this risk.

Key Facts

Flood Risk
Lyons has a moderate risk of flooding due to its proximity to waterways and low-lying areas. Increased rainfall intensity could exacerbate this risk.
Trend
increasing
Suburb
Lyons, ACT
Overall Risk
Medium
Postcode
2606
Region
ACT
Median property value
$875,000
Dominant hazard
bushfire (6/10)
Highest high-risk exposure
8.5% of land (surface flood)

Flood Risk Analysis

Lyons, 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.

Some areas near the Molonglo River are susceptible to flooding during periods of heavy rainfall.

Lyons has a moderate risk of flooding due to its proximity to waterways and low-lying areas. Increased rainfall intensity could exacerbate this 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.

Lyons 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 85.4% 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 Lyons.

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

Lyons (postcode 2606), 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 Lyons.

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

Local Hazard Evidence

Nearest WaterwayMolonglo River
Elevation Range550-600m
Flood Zone ClassificationPotentially affected areas near the Molonglo River

Historical Events

2010
Minor

Heavy rainfall caused minor flooding in some parts of Lyons.

Adaptation & Mitigation Actions

Improve Flood Defenses

Near-term

Install flood barriers and improve drainage systems to protect properties from flooding.

Est. cost: Medium

Bushfire Preparedness

Immediate

Clear vegetation around properties, develop a bushfire survival plan, and install fire-resistant materials.

Est. cost: Low to Medium

Heatwave Preparedness

Near-term

Install air conditioning or fans, improve home insulation, and stay hydrated during heatwaves.

Est. cost: Low to Medium

Community Education

Long-term

Participate in community workshops and training sessions on climate change adaptation and emergency preparedness.

Est. cost: Low

Council & Emergency Services

ACT Government
Emergency Services

Data last updated: 17 March 2026

Explore Lyons Risk Reports

Frequently Asked Questions

Is Lyons at risk of flooding?

Based on available data, Lyons 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 Lyons?

Insurance costs for flood cover in Lyons 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 Lyons?

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

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

ClimateNest's suburb model rates Lyons'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 Lyons.

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

ClimateNest's hazard overlay maps 8.5% of Lyons in high-risk zones for surface flood, with a further 84.5% 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 Lyons Safe from Climate Risk?

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