๐Ÿ“ฎ The Gap postcode: 4061

Flood Risk in The Gap, QLD: 2026 Assessment

The Gap, Queenslandยท Brisbane Cityยท 4061
The Gap has a moderate risk of flooding due to its proximity to waterways and undulating terrain. Localized flooding can occur during periods of heavy rainfall.Updated 8 Mar 2026

Flood Risk Score

6.0/10

The Gap has a moderate risk of flooding due to its proximity to waterways and undulating terrain. Localized flooding can occur during periods of heavy rainfall.

Key Facts

Flood Risk
The Gap has a moderate risk of flooding due to its proximity to waterways and undulating terrain. Localized flooding can occur during periods of heavy rainfall.
Trend
increasing
Suburb
The Gap, QLD
Overall Risk
Medium
Postcode
4061
Highest high-risk exposure
12.3% of land (bushfire)

Flood Risk Analysis

The Gap, located in Queensland, 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 Queensland.

Some areas near Enoggera Creek are prone to flash flooding.

The Gap has a moderate risk of flooding due to its proximity to waterways and undulating terrain. Localized flooding can occur during periods of heavy rainfall.

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.

The Gap sits within ClimateNest's suburb-level hazard model for flood risk. 7.7% of the suburb's land area is mapped in high-risk flood zones and 66.7% 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 The Gap.

The Gap (postcode 4061) 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 (12.3% of land in high-risk zones), extreme wind (9.5% of land in high-risk zones), riverine flood (7.7% of land in high-risk zones). Exposure is not uniform across The Gap โ€” 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 WaterwayEnoggera Creek
Elevation Range50-250m
Flood Zone ClassificationVarying flood zones depending on proximity to Enoggera Creek

Historical Events

2011
Major

The 2011 Brisbane floods affected parts of The Gap, particularly areas near Enoggera Creek.

Adaptation & Mitigation Actions

Improve stormwater drainage

Near-term

Upgrade stormwater drainage infrastructure to reduce flood risk.

Est. cost: High

Implement bushfire management plan

Near-term

Develop and implement a bushfire management plan for properties bordering bushland.

Est. cost: Medium

Increase tree canopy cover

Long-term

Plant more trees to reduce the urban heat island effect.

Est. cost: Medium

Install rainwater tanks

Immediate

Install rainwater tanks to reduce stormwater runoff and conserve water.

Est. cost: Low

Council & Emergency Services

Brisbane City Council
Emergency Services

Data last updated: 8 March 2026

Explore The Gap Risk Reports

Frequently Asked Questions

Is The Gap at risk of flooding?

Based on available data, The Gap has a notable flood risk profile. Flood risk varies by address โ€” check your specific property for precise flood zone mapping and elevation data with ClimateNest.

What flood insurance costs can I expect in The Gap?

Insurance costs for flood cover in The Gap 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 The Gap?

Yes, flood risk can affect property values in The Gap. 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 The Gap?

Elevation is a critical factor in flood risk. Properties at higher elevations within The Gap 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 The Gap is exposed to high bushfire risk?

ClimateNest's hazard overlay maps 12.3% of The Gap in high-risk zones for bushfire, with a further 82% in moderate-risk zones. Suburb-level exposure is not uniform โ€” individual properties can differ from these averages, so an address-level check is recommended.

Is The Gap Safe from Climate Risk?

Enter your address below for an instant climate risk assessment for The Gap, Queensland, 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 ยท Australian addresses only ยท 8 hazard scores ยท Insurance trajectory ยท 2030 & 2050 projections