๐Ÿ“ฎ Semaphore postcode: 5019

Semaphore Median Property Value & Market Data (SA)

Semaphore, South Australiaยท City of Port Adelaide Enfieldยท 5019
Semaphore has a median property value in line with South Australia averagesUpdated 22 Mar 2026

Price Score

6.0/10

Semaphore has a median property value in line with South Australia averages

Key Facts

Median Price Range
$550kโ€“$800k
Suburb
Semaphore, SA
Key Price Driver
Local amenity and market demand
Climate Risk Impact
Increasingly affects property values โ€” get a report
Postcode
5019
Highest high-risk exposure
18.6% of land (bushfire)

Median Property Value Analysis

Semaphore in South Australia sits within the broader property market of the region. The median property value provides a benchmark for home buyers evaluating the suburb against neighbouring areas and state averages across South Australia. Understanding where a suburb sits in the price spectrum is a critical first step in property research.

Property values in Semaphore are influenced by factors including location, housing stock diversity, school catchments, transport access, and increasingly climate risk exposure. The median price represents the middle point of all sales โ€” half sold for more, half for less โ€” and is the most commonly cited benchmark in Australian property market reporting. Domain and CoreLogic both publish suburb-level median price data that can be compared across South Australia.

For buyers considering Semaphore, the relationship between property value and climate risk is becoming increasingly important. Properties in areas with lower exposure to flood, bushfire, and extreme heat may hold value better over the long term as climate risk awareness grows among Australian home buyers.

To make an informed property decision in Semaphore, an address-level assessment is essential. Get a complete ClimateNest report for your shortlisted property including climate risk scores, projected insurance costs, and long-term value outlook to complement your market research.

Semaphore (postcode 5019) 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 (18.6% of land in high-risk zones), surface flood (7.9% of land in high-risk zones), riverine flood (2.5% of land in high-risk zones). Exposure is not uniform across Semaphore โ€” individual properties can sit well above or below these averages, so an address-level check is recommended before buying, selling or insuring.

Adaptation & Mitigation Actions

Upgrade Drainage Infrastructure

Near-term

Improve drainage systems to reduce the risk of flash flooding during heavy rainfall events.

Est. cost: Medium

Protect Coastal Ecosystems

Near-term

Restore and protect coastal dunes and vegetation to provide natural buffers against sea level rise and storm surges.

Est. cost: Medium

Implement Heatwave Early Warning System

Immediate

Develop a heatwave early warning system to alert vulnerable residents and provide guidance on how to stay safe during extreme heat events.

Est. cost: Low

Promote Energy Efficiency

Long-term

Encourage residents and businesses to adopt energy-efficient practices to reduce greenhouse gas emissions and mitigate climate change.

Est. cost: Low

Raise Awareness of Climate Risks

Immediate

Educate residents about the risks of climate change and provide information on how to prepare for and respond to climate-related hazards.

Est. cost: Low

Council & Emergency Services

City of Port Adelaide Enfield
Emergency Services

Data last updated: 22 March 2026

Explore Semaphore Risk Reports

Frequently Asked Questions

What is the median property value in Semaphore?

The median property value for Semaphore in South Australia provides a market benchmark for home buyers and sellers. For the most current median price data, consult Domain, CoreLogic, or your local real estate agent who can provide suburb-specific sales evidence and recent comparable sales. Property prices in South Australia vary significantly by location, property type, and condition โ€” the median is a starting point, not a valuation.

How do property values in Semaphore compare to South Australia averages?

Semaphore sits within the South Australia property market. Statewide median prices in South Australia range from $550k to $800k depending on property type and location. Consider climate risk alongside price data โ€” ClimateNest provides property-specific risk assessments for addresses across Semaphore.

What factors affect property values in Semaphore?

Property values in Semaphore are driven by location, proximity to schools and transport, housing stock quality and diversity, neighbourhood amenity, market conditions, and increasingly climate risk exposure. Address-level climate risk data from ClimateNest helps buyers make informed decisions.

Does climate risk affect property values in Semaphore?

Yes, climate risk is an increasingly important factor in property values across Australian suburbs, including Semaphore. Properties with verified lower climate risk may attract premium pricing as buyer awareness grows. A ClimateNest report provides address-level climate risk data to inform your property valuation.

What share of Semaphore is exposed to high bushfire risk?

ClimateNest's hazard overlay maps 18.6% of Semaphore in high-risk zones for bushfire, with a further 68% 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 Semaphore Safe from Climate Risk?

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