City of Onkaparinga

Seacombe Heights

Seacombe Heights at a glance

Median house

$1,230,000

Median unit

$274,320

Walk score

4

Very car dependent

Population

1,549

Median age 40

The brief

What to know about Seacombe Heights.

The postcode for Seacombe Heights is 5047 (SA), part of Greater Adelaide.

The median house price in Seacombe Heights is $1,230,000.

Seacombe Heights (5047) sits in the Onkaparinga region of South Australia. The median house here is $1,230,000, well above the South Australia median of around $720K.

Seacombe Heights has roughly 1,549 residents, with a typical family-age mix. Households are predominantly owner-occupied. Daily life is car-dependent: most residents drive to work, school and the shops.

Side by side

Compare Seacombe Heights with a nearby suburb.

Median, growth, schools, walkability, all in one view.

Day to day

What it’s like to live here.

Seacombe Heights scores 4/100 on walkability, which makes it car-dependent with limited public transport. Plan for two cars in a typical household, especially if work isn't local.

Summer days here average around 28°C (warm), winter mornings around 7°C (cool). Annual rainfall lands at about 448mm. Data comes from the Bureau of Meteorology's Adelaide (Kent Town) station, 11.1km away.

Schooling within or near the suburb covers 10 government primary, 3 government secondary, 3 Catholic, 4 independent.

Who lives here

Demographics.

The 2021 Census put Seacombe Heights's population at 1,549, with a median age of 40. That sits as a typical family-age mix. Households are predominantly owner-occupied (85% own, 13% rent), which shapes everything from school catchment stability to how often properties turn over. The household mix skews family-dominated (80% family households, 18% lone person), so amenity decisions tend to follow what families want: parks, schools, supermarkets.

Population

1,549

Median age

40

Family households

80%

Lone person

18%

Demographics data as of May 2026· ABS 2021 Census

Houses change hands at $1,230,000 on a typical sale, well above the South Australia median. Units come in around $274,320, roughly 78% below the house median.

For buyers

A 20% deposit on the median house works out to roughly $246,000. Prices sit well above the South Australia median, so plan for a stretched deposit and shop carefully on borrowing capacity.

See what you can borrow

Market

The price of a home here.

Median house price

$1,230,000

+0.0% over the past year. Median unit price $274,320.

Sales data as of July 2026· sales-sa

Rental and ownership

Weekly rent (house)

$650/wk

Weekly rent (unit)

$330/wk

Owner occupied

85%

Renter occupied

13%

At a deeper level

Median House PriceSource: data.sa.gov.au · July 2026

$1,230,000

Median Unit PriceSource: data.sa.gov.au · July 2026

$274,320

PopulationSource: ABS Census 2021 · May 2026

1,549

Median age: 40

Rental data as of March 2026· rental-sa

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For investors

Investment overview.

Gross rental yield on houses sits at 2.75% (median rent $650/wk against a $1,230,000 price tag). Units yield 6.26% gross, often the better cash-flow play for first-time investors. Renter share is modest (13%), so the rental pool is smaller and tenant demand can be patchier than in higher-density suburbs.

Gross Yield (House)

Source: data.sa.gov.au · July 2026

2.75%

Based on $1,230,000 median

Gross Yield (Unit)

Source: data.sa.gov.au · July 2026

6.26%

Based on $274,320 median

Annual Growth (House)

Source: data.sa.gov.au · July 2026

Year-on-year capital growth

Annual Growth (Unit)

Source: data.sa.gov.au · July 2026

Year-on-year capital growth

Owner Occupancy

Source: ABS Census 2021 · May 2026

85%

Higher = more owner-occupier demand

Days on Market

Source: data.sa.gov.au · July 2026

Lower = higher buyer demand

Gross rental yield is annual rent divided by purchase price, before expenses. It does not account for vacancy rates, management fees, maintenance, or financing costs. Use this as a starting point for further research.

Safety

Crime and safety.

Offence Summary

15

total offences in 2025-26

Top offence categories

OFFENCES AGAINST PROPERTY8 (53.3%)
OFFENCES AGAINST THE PERSON7 (46.7%)

Crime statistics are reported at LGA level and may cover a broader area than this suburb.

Source: State Police Open Data

Crime data as of June 2026· State Police Open Data

Getting around

Walkability.

Walk Score

4

Transit Score

0

Bike Score

100

Scores calculated from OpenStreetMap data (ODbL)

Walkability data as of May 2026· OpenStreetMap

Place

Location.

Amenities

Transport

Nearby suburbs

Education

Schools in Seacombe Heights.

Local schools for Seacombe Heights

View the catchment for each school to find out more.

Government School Catchment

Seaview High School

U, 7-12CoEdGovernment
View Catchment

Darlington Primary School

U, R-6CoEdGovernment
View Catchment

Seaview Downs Primary School

R-6CoEdGovernment
View Catchment

© ACARA, licensed under CC BY 4.0.

Climate

Weather year-round.

Annual Rainfall

448 mm

Hottest Month (avg max)

28.0°C

Coldest Month (avg min)

7.0°C

Monthly Rainfall (mm)

J
F
M
A
M
J
J
A
S
O
N
D

Weather data from BOM station Adelaide (Kent Town) (11 km away)

Climate data as of May 2026· Bureau of Meteorology

Frequently asked

About Seacombe Heights.

What is the median house price in Seacombe Heights?
The median house price in Seacombe Heights, SA 5047 is $1,230,000. The median unit price is $274,320.
What is the Seacombe Heights postcode?
Seacombe Heights is in the 5047 postcode, in SA, in the City of Onkaparinga region.
Where is Seacombe Heights?
Seacombe Heights is a suburb of Adelaide, in SA 5047. It is part of the Greater Adelaide area, in the City of Onkaparinga region.
What is the average rent in Seacombe Heights?
The median weekly rent for houses is $650, for units it's $330.
What schools are in Seacombe Heights?
There are 20 schools serving Seacombe Heights on this page, including Seaview High School, Darlington Primary School, Stella Maris Parish School.
How walkable is Seacombe Heights?
Seacombe Heights has a Walk Score of 4 out of 100, highly car-dependent. transit score 0, bike score 100.
What suburbs are near Seacombe Heights?
Seacombe Heights is close to Darlington, Seacombe Gardens, Seaview Downs, Sturt, Dover Gardens.
What is the population of Seacombe Heights?
The population of Seacombe Heights is approximately 1,549 (2021 Census). The median age is 40.

Sources cited

Median, growth and rental data from state revenue offices and ABS. Census from ABS 2021. Climate from BoM. Hazard from Geoscience Australia. School data from ACARA. Crime from state police open data. Full methodology →

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