Seaford Heights is in Onkaparinga LGA, SA, postcode 5169, with population 1,079.
The page has enough signal to be useful, but the story is mixed rather than decisive. Use compare mode to pressure-test it against stronger nearby options, then use the calculator if it still makes the shortlist.
Gross yield screens at about 5.3%. Higher SEIFA context supports a stronger local-quality read.
Indicative cashflow is interest-only and excludes tax — use the calculator for a full projection.
Owners with a mortgage repay a median of $1,733/mo, while renters pay about $2,903/mo — renting runs $1,170/mo higher on these medians.
Located in South Australia within the Onkaparinga local government area, Seaford Heights is a close-knit residential community (postcode 5169). The area has roughly 1,079 residents and a younger, working-age population, with a median age of 29. Households earn a median income of $113K per year, with an average household size of 2.6 people. Recent annual estimates show population movement staying broadly stable across the broader catchment, with population growth running at +0.9% year-on-year at the LGA level. SA employment has moved +2.1% year-on-year in the official Jobs and Skills Australia NERO series, which provides the broader jobs backdrop for this suburb. SA also had 23 Commonwealth-backed major projects under construction, 2 underway, and 11 in planning as at 2 October 2024, which is useful as a broader delivery backdrop rather than a suburb-specific project count. The most common occupations are professionals, technicians & trades, community & personal service. Employment in the area leans toward healthcare and retail trade. The top ancestries reported are English, Australian, Scottish.
Median house prices in Seaford Heights stand at $660,000, having declined steeply by 30.5% over the last twelve months. The current median weekly rent is $670. This gives a gross rental yield of approximately 5.3%. The median monthly mortgage repayment is $1,733.
Public transport access includes 2 bus stops. The crime rate in the Onkaparinga LGA is moderate at 4,263 incidents per 100,000 population.
Looking at the investment signals, Gross rental yield sits at around 5.3% (high yield). Property prices sit below the state median ($660K/$950K), which can point to relative value. The price-to-income ratio of 5.8x is considered affordable. House prices have moved -30.5% year-on-year. Population growth of +0.9% year-on-year points to stable demand fundamentals. Building approvals have changed +0% year-on-year, indicating steady development activity.
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Seaford Heights carries enough direct local evidence for a first-pass decision.
QuickProperty mixes release files, Census baselines, and matched local services on this page. Read the status panel before treating every metric as equally fresh.
Official quarterly house sales workbooks; units remain on ABS fallback coverage
Use current rent as a starting signal, not as a fixed underwriting truth.
Schools, transport, and hospitals are useful as presence signals, but they still have different source cadences.
Seaford Heights is in the Onkaparinga Local Government Area, SA, postcode 5169. Council-level context for Onkaparinga LGA (suburb mix, population, rent, and price coverage) is available on the QuickProperty LGA page.
The current median house price in Seaford Heights, SA is $660K, based on the latest available sales data from state Valuers General offices and ABS Data by Region.
The median weekly rent in Seaford Heights is $670/wk, based on the current market rent dataset. The current rent signal is rent-pressure candidate.
Rent-pressure candidate: Seaford Heights rents screen above the local benchmark. Use this as a suburb screening signal before comparing candidates or modelling a purchase; the matching rent ranking can provide broader market context.
QuickProperty's investment signals for Seaford Heights show: High Yield, Below Median, Affordable. These are computed from price, rent, income, and population data — not an opaque score.
Property prices come from state Valuers General offices and ABS Data by Region. Demographics are from ABS Census 2021. School ICSEA scores are from ACARA. Crime statistics are from state police agencies. Transport data is sourced from GTFS feeds.
Property prices update quarterly. RBA macro indicators update with each deploy. Demographics are from Census 2021. School ICSEA scores are from ACARA 2025.