📮 Harrison postcode: 2914

Flood Risk in Harrison, ACT: 2026 Assessment

Harrison, Australian Capital Territory· UNKNOWN· 2914
Harrison faces a moderate risk of flooding, primarily from heavy rainfall events and potential stormwater runoff. The area's topography and drainage infrastructure contribute to this risk.Updated 22 Mar 2026

Flood Risk Score

6.0/10

Harrison faces a moderate risk of flooding, primarily from heavy rainfall events and potential stormwater runoff. The area's topography and drainage infrastructure contribute to this risk.

Key Facts

Flood Risk
Harrison faces a moderate risk of flooding, primarily from heavy rainfall events and potential stormwater runoff. The area's topography and drainage infrastructure contribute to this risk.
Trend
increasing
Suburb
Harrison, ACT
Overall Risk
Medium
Postcode
2914
Region
ACT
Median property value
$700,000
Dominant hazard
bushfire (6/10)
Highest high-risk exposure
9.3% of land (surface flood)

Flood Risk Analysis

Harrison, 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 may be susceptible to flash flooding during intense rainfall.

Harrison faces a moderate risk of flooding, primarily from heavy rainfall events and potential stormwater runoff. The area's topography and drainage infrastructure contribute to 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.

Harrison sits within ClimateNest's suburb-level hazard model for flood risk. 2.3% of the suburb's land area is mapped in high-risk flood zones and 79% 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 Harrison.

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

Harrison (postcode 2914), is an Australian Capital Territory suburb tracked by ClimateNest. The suburb's median property value is $700,000, and understanding climate exposure is becoming a standard part of due diligence for buyers, lenders and insurers pricing property in Harrison.

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

Local Hazard Evidence

Nearest WaterwayGinninderra Creek
Elevation Range580-620m
Flood Zone ClassificationPotentially affected by 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

Increase green spaces

Near-term

Plant more trees and create green spaces to reduce the urban heat island effect and provide shade.

Est. cost: Medium

Promote water conservation

Long-term

Encourage water conservation measures to reduce strain on water resources during droughts and heatwaves.

Est. cost: Low

Develop community emergency plans

Immediate

Create community-based emergency plans to prepare for and respond to extreme weather events.

Est. cost: Low

Council & Emergency Services

ACT Government
Emergency Services

Data last updated: 22 March 2026

Explore Harrison Risk Reports

Frequently Asked Questions

Is Harrison at risk of flooding?

Based on available data, Harrison 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 Harrison?

Insurance costs for flood cover in Harrison 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 Harrison?

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

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

ClimateNest's suburb model rates Harrison'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 Harrison.

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

ClimateNest's hazard overlay maps 9.3% of Harrison in high-risk zones for surface flood, with a further 78.5% 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 Harrison Safe from Climate Risk?

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