SA5047· Pop. 1,549Onkaparinga

Seacombe Heights

EstablishedSteady performer with reliable demand and moderate capital growth
34SoftInvestor score
Weak020Soft2140Balanced4160Strong6180Standout81100

Below average on yield, growth or affordability

Beats 11% of SA suburbs

#1,839 of 2,059 in SA · #15,613 of 17,753 nationally

Liveability score

65/ 100

Vacancy rate is a modelled estimate. Price, rent and annual growth use real government data (see source labels on each card). This is not financial advice. See full disclaimer.

Median price

Real

$1,050,000

SA Gov · 2026

Rent yield

Real

1.9%

computed from govt data

Annual growth

Real

annualised from govt data

Vacancy rate

Est.

1.3%

modelled estimate

Investment checklist

The parameters investors screen on, checked against Seacombe Heights.

10 of 14

checks passed

Cash flow

3/4

Growth drivers

3/3

Supply & demand

0/2

Risk

1/1

Location quality

3/4

15 parameters · 14 with data for Seacombe Heights · 10 of those from government sources · 1 not published

Gross rental yieldREAL

Annual rent as a share of price — the headline cash-flow measure, before costs.

1.86%

3.5% or higher

Vacancy rateEST.

Under 2% is a landlord's market; above 3% means falling rents and letting-up periods.

1.3%

under 2%

New-supply pipelineREAL

New dwellings approved as a share of existing stock. The most reliable growth killer — lots of cranes caps prices.

2.7%

under 2% of stock

Net yield (after costs)EST.

Gross yield minus rates, insurance, management and maintenance — typically 1.5–2 points lower.

2.91%

2.5% or higher

Rental demandEST.

Composite of tenant competition — how quickly a vacancy is likely to fill.

64/100

60 or higher

Annual price growthREAL

Most long-run return comes from growth compounding on the whole asset, not your deposit.

4% or higher

5-year growth (p.a.)REAL

Medium-run trend — less noisy than a single year.

7.4%

4% or higher

10-year growth (p.a.)REAL

Whether the market has compounded through a full cycle, not just a boom.

10.6%

5% or higher

Population growthEST.

Demand growth — but it only lifts prices where supply can't easily respond.

2.7%

1% or higher

Owner-occupier shareREAL

Owner-heavy streets hold up in downturns; investor-heavy ones see correlated selling.

62.4%

65% or higher

Safety indexREAL

Tenant demand and owner-occupier appeal both track perceived safety.

89/100

60 or higher

School quality (ICSEA)REAL

Catchment strength is the most durable driver of family-buyer demand.

1029

1000 or higher

Transit accessREAL

Commute access widens the tenant pool and supports rents.

47/100

40 or higher

WalkabilityREAL

Amenity within walking distance is consistently capitalised into price.

46/100

40 or higher

UnemploymentREAL

Local income security underwrites both rent payment and buyer depth.

4.4%

under 4%

12 more checks on Seacombe Heights

Every parameter with its value, the threshold it's judged against, and why it matters — on all 17,958 suburbs.

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What each parameter means

Verify these yourself

No dataset covers everything. These matter to the decision and we don't hold them — here's where to look.

  • Days on market

    How fast stock clears is a leading indicator — it moves before prices do. We have no free suburb-level source for it.

    Count active listings on realestate.com.au or Domain and check their listing dates, or ask two local agents.

  • Auction clearance

    Buyer competition at the margin. Only meaningful where auctions are actually common — in outer and regional suburbs most sales are private treaty, so a clearance rate says little.

    Your state's Real Estate Institute publishes weekly clearance rates by region.

  • Flood risk

    Drives insurance cost and, increasingly, insurability — which caps the resale pool. No free national dataset exists at suburb level; it is mapped council by council.

    Search your council's flood overlay or planning portal for the specific address — risk varies street by street, so a suburb-wide rating would mislead even if we had one.

  • Bushfire risk

    Same insurance exposure, plus rebuild-standard costs inside designated zones.

    Check your state's designated bushfire-prone area mapping — NSW Planning Portal, VIC's BPA layer on VicPlan, Queensland Globe, or WA's Map Viewer Plus.

  • Strata and body corporate costs

    For units this can swallow a third of gross rent, and a special levy can arrive without warning.

    Ask for the strata report and the last two years of minutes before you offer.

  • What the street is actually like

    Suburb medians average over streets that trade very differently — a main road, a flight path or a commission block will not show up in any of the figures above.

    Walk it at night and on a weekday morning. Nothing on this page substitutes for that.

AI insights for Seacombe Heights

Investment analysis, risks & comparisons

PREMIUM

Seacombe Heights shows strong investment fundamentals with above-average rental demand and a tightening supply pipeline. The gentrification index of 67/100 signals continued capital appreciation potential, particularly within 600m of the main retail and transit corridor.

Key risk: elevated auction clearance volatility over the past two quarters suggests shifting buyer sentiment. Net yield after typical holding costs sits at approximately 3.6%, below the state median of 4.1% — factor this into cash-flow modelling.

AI insights locked

Investment analysis · Risk assessment · Suburb comparisons

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Median price sourced from SA Gov · 2026 — real government transaction data (9 sales). Growth, demand and vacancy figures remain modelled estimates.

Median rent · houses

Real

$375/wk

SA Housing Trust · 2026 · weekly

Demand change

+7.2%

annual shift

Yield × growth index

combined signal

Net yield (est.)

2.91%

after mgmt, rates, insurance, maintenance

5-yr growth (CAGR)

+7.4%

est. compound, long-run avg

10-yr growth (CAGR)

+10.6%

est. compound, long-run avg

Rental demand

64 / 100

Strong demand

Supply pipeline

Real

2.7%

new dwellings approved / stock · ABS 2024-25

Moderate supply

Dwellings built (SA)

Real

14,051

completed in year to Mar-2026 · ABS 8752.0 (state)

17.1% vs prior year · 14,902 started

Price & rent growth

How Seacombe Heights has moved — and whether rent has kept pace with price

Median price+6.6%

2025 – 2026

2025
$985k
2026
$1050k

No house rent history here yet.

Rent by bedrooms1br $1731br $3251br $3002br $6002br $6103br $6403br $700(15)3br $650(15)4br $6004br $7704br $815

Price from government sales (annual), rent from bond lodgements (monthly or quarterly, depending on the state). Periods with too few sales to form a median are excluded.

Source: SA Gov · 2026 · all sources

Market overview

Seacombe Heights is a metropolitan SA suburb with moderate capital growth momentum and lower rental yield. Strong infrastructure, employment access, and lifestyle amenities support ongoing investment demand.

Highlights

  • Metro SA suburb with strong infrastructure and transport
  • Rental yield 1.9% with stable tenant demand
  • Very low vacancy rate — high rental demand
  • Access to national transport network and amenities

Risk factors

  • High entry price may limit buyer pool
  • Subject to broader interest rate and economic conditions

Community profile

Source: ABS Census 2021 · ATO 2022–23

Median household income

$1,434/wk

$85k taxable p.a.

Renters

35.2%

62.4% owner-occupier

Median age

37.0 yrs

Unemployment

4.4%

ABS SALM (SA2)

Population growth

+2.7% p.a.

Projected growth

+1.1% p.a.

state gov forecast

Socio-economic

5/10

SEIFA IRSAD decile · ABS

Investor-owned

11.0%

of all dwellings (ATO)

Houses

98%

0% apartments

Degree qualified

44.2%

bachelor's or higher (ABS)

Work from home

15.1%

of employed residents (ABS Census)

Median lot size

410 m²

Compact block

Household size

2.2 persons

avg per dwelling (ABS Census)

Short-term rental

13.5%

Active STR market

Market activity

Distance to CBD

12.4 km

Middle ring

Walkability

46 / 100

Very walkable

Coastal proximity

6.2 km

Near coast

NBN technology

FTTP

Fastest — full fibre to premises

Population density

1,102/km²

Suburban

Schools in postcode 5047

🏫2 Primary🎓1 Secondary
ACARA 2025

🏫Primary (2)

Stella Maris Parish School

Catholic · Yrs R-6 · Major Cities

ICSEA 1086(80%)
429 students16:1 student–teacher49% girls35% top SEA quarter

Darlington Primary School

Government · Yrs U, R-6 · Major Cities

ICSEA 964(31%)
184 students11:1 student–teacher52% girls10% top SEA quarter

🎓Secondary (1)

Seaview High School

Government · Yrs U, 7-12 · Major Cities

ICSEA 1038(63%)
1,377 students15:1 student–teacher50% girls17% top SEA quarter

ICSEA measures the socio-educational background of each school's student community — not academic results or school quality. National average = 1000. Source: ACARA My School 2025.

Liveability & safety

Safety index

Safe
89/ 100

0.3 offences / 100 persons

Source: SA Police · 2024-25

School quality

Average
1029ICSEA · national avg 1000

3 schools in postcode area

Source: ACARA My School 2025

Transit access

Good
47/ 100
🚆 1 train🚌 16 bus

Source: State GTFS feeds

Gentrification signal

16

/ 100

Stable / no signal

Established suburb with stable demographics. Consistent demand but lower gentrification upside.

Composite: education premium · youth cohort · rental activity · price gap · transit quality

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Location

Properties in Seacombe Heights

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Common questions about Seacombe Heights

What is the median house price in Seacombe Heights?

The median house price in Seacombe Heights, SA 5047 is $1,050,000 (2026), sourced from South Australian government data.

What is the average rent in Seacombe Heights?

The median rent in Seacombe Heights, SA 5047 is $375 per week, from state bond-lodgement data. That works out to a gross rental yield of about 1.9%.

Is Seacombe Heights a good investment?

Seacombe Heights, SA 5047 scores below average against our investment checklist, at 34 out of 100, with a gross yield of about 1.9%, a median around $1,050,000. Yield and growth figures are modelled estimates, so use them to compare suburbs rather than as a forecast. The full checklist on this page breaks the score into cash flow, growth, supply and risk.

Is Seacombe Heights a safe suburb?

Seacombe Heights scores 89 out of 100 for safety, which is well above the national average. The score is built from state police offence data for this area, not resident sentiment.

What are the schools like in Seacombe Heights?

Seacombe Heights has 3 schools in or near the suburb, with an average ICSEA of 1029 — slightly above the Australian average of 1000. ICSEA is ACARA's index of educational advantage.

How far is Seacombe Heights from the city, and what is transport like?

Seacombe Heights is about 12 km from the CBD, with a public-transport score of 47 out of 100, calculated from actual train, tram and bus stops nearby, with a Walk Score of 46.

Answers are generated from the data on this page. Figures marked as estimates are modelled, not recorded transactions.

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