Seacombe Heights SA Property Investment

Onkaparinga · 5047 · Score: 64/100 · Hold

Median House Price
$1.23M
Rental Yield
2.8%
Vacancy Rate
0.8%
Median Weekly Rent
$663/wk
Median Unit Price
$744K
Population
1,549
Days on Market
20 days
Annual Growth
6.5%

Seacombe Heights Short-Term Rental (Airbnb) Market

Avg Nightly Rate
$483.38/night
Occupancy Rate
42%
Est. Annual Revenue
$74K
AI Investment Analysis

Seacombe Heights SA Investment Brief

HOLD2.8% gross yield on a $1,230,000 (single source — OnTheHouse only, no peer to validate) median.

THE MARKET

Seacombe Heights has compounded at 4.4%/yr over 5 years. Median sits in the $1,230,000 (single source — OnTheHouse only, no peer to validate) band today. Properties are sitting on market for 20 days (sellers have the leverage).

  • Median house: $1,230,000 (single source — OnTheHouse only, no peer to validate) | Units: $744,296
  • Gross yield: 2.8% | Net yield: 1.3%
  • 5yr price CAGR: 4.4%/yr | 3yr forecast: 13.5%/yr
  • Population: 1,549 | Owner-occupier rate: 62% | Affluence: Above Average
  • Supply pipeline: Low — Price growth outpacing new supply, limited development pipeline

RENTAL SNAPSHOT

  • Vacancy: 0.8% (improving) | Rental demand: Very High
  • Median weekly rent: $663/wk | Days on market: 20 (improving)
  • Landlord market — rents likely to keep rising.

SHORT-TERM RENTAL

  • Median nightly rate: $483/night | Occupancy: 42%
  • Estimated annual STR gross: ~$74,102/yr
  • vs long-term rent: $34,476/yr (+115% STR premium — factor in higher management costs)

INFRASTRUCTURE & CATALYSTS

  • North South Corridor (South Australia) (Under Construction)
  • Adelaide Metro Train Services Franchise (Under Delivery)
  • North-South Corridor (Torrens to Darlington) (under_construction)
  • Transport: Well-connected inner-city location

BULL CASE

If Seacombe Heights maintains 3%+ annual growth and vacancy stays below 0.8%, median prices could reach $1,414,500 within 3 years with yields compressing slightly as capital values rise.

BEAR CASE

A market correction or interest rate shock could see prices in Seacombe Heights pull back 10-15% from $1,230,000, with vacancy rising to 1.4% and rental yields softening as tenants gain leverage.

KEY RISKS

  • Bushfire risk: HIGH (planning_overlay) — confirm BAL rating and any bushfire overlay obligations for the property

COMPARABLE MARKETS

  • Gepps Cross (SA): $912,646 median, 1.9% yield, 2.1% 1yr growth
  • Kilburn (SA): $1,093,556 median, 2.8% yield, 31.9% 1yr growth
  • Rosewater (SA): $897,500 median, 3.4% yield, 9.4% 1yr growth

THE PLAY

Seacombe Heights offers balanced fundamentals but does not present an urgent buying signal. The market is in a stable phase with low vacancy risk. Monitor vacancy trends and price movements over the next 6-12 months. Only enter if a property can be acquired at or below median pricing with yields exceeding 4.0%.

  • Entry range: $1,107,000$1,353,000
  • Minimum gross yield to target: 4.5%
  • Watch signal: vacancy staying below 2% and days on market holding under 35

This analysis is for informational purposes only and does not constitute financial, legal, or investment advice. Seek professional advice before making investment decisions.

Gentrification Index

Early gentrification signals5.0/10
Middle-tier SEIFA — moderate gentrification pressure
Moderate capital growth (4.4% CAGR)
Inner/middle ring location (12.6km to CBD) — high gentrification corridor
Mixed tenure (35% renters) — transitional suburb profile
Active development pipeline (4489 approvals) — supply attracting new residents

Growth Forecast

high confidence
1yr Forecast
4.6%
p.a.
2yr Forecast
4.2%
p.a.
5yr Forecast
3.7%
p.a.

Basis: 5yr CAGR 4.4% + 10yr CAGR 4.3%

Growth drivers
  • +Above-average population growth (1.7%/yr)
  • +Very tight rental market (vacancy 0.8%) — upward price pressure
  • +Active market (20 days avg)
Headwinds
  • High supply pipeline (4489 new approvals) — may cap price growth

Suburb Metric Thresholds

4 green9 yellow2 red
Rental Vacancy Rate
0.8 high impact
Days on Market
20 high impact
Weekly Rent (house)
663 medium impact
5yr Price CAGR
4.4 high impact
10yr Price CAGR
4.3 high impact
1yr Price Growth
6.45 medium impact
Population Growth
1.68 high impact
Median Household Income
1434 medium impact
Unemployment Rate
5.6 medium impact
Public Transport Score
No data medium impact
School Zone Quality
6.6 medium impact
Distance to CBD
12.64 medium impact
SEIFA Advantage/Disadvantage
5 medium impact
Owner Occupier Rate
62.4 medium impact
Gross Rental Yield (%)
2.8 high impact
Net Rental Yield (%)
1.3 high impact

Macro Environment

Macro Indicators

Cash Rate

4.35%

0.25%

Cash rate as at 2026-05-06 · Credit data 2026-04

Suburb Supply & Demand

Suburb Supply Pipeline — New Dwelling Approvals

872

2020

1,074

2021

814

2022

839

2023

890

2025

New dwelling approvals — higher numbers mean more future supply

Socio-Economic Profile

Source: ABS Census 2021

SEIFA Index · Postcode 5047

Most disadvantagedLeast disadvantaged

Decile 4 of 10 — Average

Population

8,981

Education (IEO)

7/10

Econ. Resources (IER)

2/10

10-Year Investment Projection

Modelled on Seacombe Heights SA data — rent, capital growth, tax, and depreciation over 10 years.

Pre-filled: $663/wk median rent for Seacombe Heights. Capital growth and rent increase are editable assumptions.

Schools

In your catchment

Seaview High School
SecondaryGovernment
6.6/10

These are the government-school zones containing this suburb centroid. Specific addresses within the suburb may fall in different catchments — confirm with the school directly.

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Data sourced from ABS, state government property sales, and Airbnb market analytics. For informational purposes only — not financial advice.