Climate Risk Profile: Houghton, SA

Houghton, South Australia· Adelaide Hills Council· 5131
Medium Risk
Updated Mar 2026

Houghton is a suburb in the Adelaide Hills, South Australia, facing moderate risks from flooding and bushfires. Climate change is expected to exacerbate these risks, with increasing temperatures and more frequent extreme weather events.

Overall Risk Score

52/100
Medium

Confidence: Medium

Hazard Breakdown

Flood
6.5
Bushfire
7.0
Heat
4.0
Coastal
1.0

Climate Hazard Breakdown for Houghton

increasing

Flood

65/100

Houghton faces a moderate risk of flooding due to its location in the Adelaide Hills, with potential for flash flooding from heavy rainfall events.

Key drivers:

  • ·Increased rainfall intensity
  • ·Urban development
increasing

Bushfire

70/100

Houghton is located in a bushfire-prone area, with a high risk of bushfires during hot and dry conditions. The surrounding Adelaide Hills bushland increases the risk.

Key drivers:

  • ·Drier conditions
  • ·Increased fuel load
increasing

Heat

40/100

Houghton experiences moderate heat risk, with increasing average temperatures and more frequent heatwaves projected in the future.

Key drivers:

  • ·Climate change
  • ·Urban heat island effect
stable

Coastal

10/100

Houghton has a very low risk from coastal hazards due to its inland location.

stable

Wind

28/100

Moderate wind risk — gusty northerly winds

stable

Storm

24/100

Moderate storm risk — occasional thunderstorms

stable

Social

21/100

Moderate social stability

increasing

Energy

35/100

Moderate energy costs — summer cooling

In-Depth Climate Risk Guides for Houghton

Detailed Hazard Analysis

heat Risk

40/100

Houghton experiences moderate heat risk, with increasing average temperatures and more frequent heatwaves projected in the future.

Primary Drivers

  • ·Climate change
  • ·Urban heat island effect

Projections (RCP8.5)

2030

4.5

2050

5.0

Data source

flood Risk

65/100

Houghton faces a moderate risk of flooding due to its location in the Adelaide Hills, with potential for flash flooding from heavy rainfall events.

Primary Drivers

  • ·Increased rainfall intensity
  • ·Urban development
  • ·Climate change

Projections (RCP8.5)

2030

7.0

2050

7.5

Data source

coastal Risk

10/100

Houghton has a very low risk from coastal hazards due to its inland location.

Projections (RCP8.5)

2030

1.0

2050

1.0

Data source

bushfire Risk

70/100

Houghton is located in a bushfire-prone area, with a high risk of bushfires during hot and dry conditions. The surrounding Adelaide Hills bushland increases the risk.

Primary Drivers

  • ·Drier conditions
  • ·Increased fuel load
  • ·Climate change

Projections (RCP8.5)

2030

7.5

2050

8.0

Data source

What This Means for Property Owners

Insurance Outlook

Insurance premiums may increase due to the elevated risk of flooding and bushfires.

Price Impact

Properties in high-risk areas may experience a decrease in value.

Buyer Checklist

  • 1.Check flood maps and bushfire-prone area designations.
  • 2.Assess property's vulnerability to flooding and bushfires.
  • 3.Obtain adequate insurance coverage.
  • 4.Consider climate change projections when making long-term investment decisions.

Local Climate Evidence

Flood Evidence

Nearest Waterway
Torrens River
Elevation Range
200-300m
Flood Zone
Medium

The area has experienced flash flooding in the past due to intense rainfall events.

View council flood map

Bushfire Evidence

Distance to Bushland
Adjacent
Planning Overlay
CFS Bushfire Prone Area
Bushfire Prone Area
Yes

The area is designated as a bushfire-prone area due to the surrounding vegetation.

Heat Evidence

Avg January Max Temp
29.5°C
Heat Stress Days/Year
3 days

Average temperatures are expected to increase in the future.

Coastal Evidence

Distance to Coast
25 km
Sea Level Rise Exposure
Not Applicable
Erosion Risk
Not Applicable

Historical Climate Events

2016
floodModerate

Heavy rainfall caused flash flooding in the Adelaide Hills, affecting Houghton.

Source
2019
bushfireModerate

Bushfires in the Adelaide Hills caused smoke haze and increased fire risk in Houghton.

Source
2023
stormModerate

Severe storms caused damage to property and infrastructure in Houghton.

Source

Climate Outlook to 2050

Projections based on CSIRO and BOM climate modelling. Scenario: RCP8.5

HazardToday20302050
flood657.0(+0.5)7.5(+1.0)
bushfire707.5(+0.5)8.0(+1.0)
heat404.5(+0.5)5.0(+1.0)
coastal101.01.0

By 2030, Houghton is projected to experience a moderate increase in overall climate risk, with higher risks from flooding, bushfires, and heatwaves.

CSIRO Climate Projections

Adaptation Recommendations

Improve Flood Defenses

Near-term

Invest in infrastructure to mitigate flood risks, such as improved drainage systems and flood barriers.

Est. cost: Medium

Learn more

Bushfire Preparedness

Immediate

Implement bushfire management strategies, including fuel reduction and community education programs.

Est. cost: Medium

Learn more

Heatwave Preparedness

Near-term

Develop heatwave response plans and provide cooling centers for vulnerable residents.

Est. cost: Low

Learn more

Community Awareness Programs

Long-term

Educate residents about climate risks and adaptation measures.

Est. cost: Low

Learn more

About Houghton's Climate Risk Profile

Houghton, nestled in the Adelaide Hills, is characterized by its picturesque landscapes and proximity to natural bushland. This idyllic setting, however, also brings inherent environmental risks, particularly from flooding and bushfires.

The suburb's location makes it susceptible to flash flooding during periods of heavy rainfall. Climate change projections indicate an increase in the intensity of rainfall events, potentially leading to more frequent and severe flooding in the future. Residents should be aware of flood risks and take necessary precautions.

Bushfire risk is also a significant concern for Houghton. The surrounding bushland creates a high fuel load, increasing the likelihood of bushfires, especially during hot and dry summer months. Climate change is expected to worsen bushfire conditions, with longer fire seasons and more intense fires.

While Houghton is not directly exposed to coastal hazards, the broader impacts of climate change, such as extreme weather events, can still affect the suburb. Residents should stay informed about climate change projections and take steps to adapt to the changing environment.

Addressing these climate risks requires a collaborative effort from residents, local government, and emergency services. Implementing effective mitigation and adaptation strategies is crucial to protecting the community and preserving the natural beauty of Houghton.

Data sources: BOM · CSIRO · SA CFS · Adelaide Hills Council

Local Government Resources

Frequently Asked Questions

What are the main climate risks in Houghton?

Houghton faces moderate risks from flooding and bushfires, with increasing temperatures and more frequent extreme weather events projected in the future.

How is the Adelaide Hills Council addressing climate change?

The Adelaide Hills Council is developing and implementing climate strategies to mitigate and adapt to the impacts of climate change.

What can residents do to prepare for bushfires?

Residents can prepare for bushfires by clearing vegetation around their homes, developing a bushfire survival plan, and staying informed about fire danger ratings.

What are the potential impacts of climate change on property values in Houghton?

Properties in high-risk areas may experience a decrease in value due to the increased risk of flooding and bushfires.

Where can I find more information about climate change projections for Houghton?

You can find more information about climate change projections for Houghton on the CSIRO website and the South Australian government's environment website.

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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