Illawong NSW Property Investment

Sutherland · 2234 · Score: 67/100 · Buy

Median House Price
$1.42M
Rental Yield
3.2%
Vacancy Rate
1.6%
Median Weekly Rent
$1250/wk
Median Unit Price
$1.43M
Population
7,427
Days on Market
57 days
Annual Growth
11.8%

Illawong Short-Term Rental (Airbnb) Market

Avg Nightly Rate
$419.44/night
Occupancy Rate
40%
Est. Annual Revenue
$61K
AI Investment Analysis

Illawong NSW Investment Brief

Illawong, NSW — Suburb Investment Analysis

## 1. Investment Verdict BUY — The single most important number: 11.8% one-year price growth with a 13.5% three-year forecast. Illawong delivers strong capital appreciation in a premium market with limited supply and high owner-occupier demand.

## 2. Market Overview Median house price sits at $2,020,824, with units at $1,434,067. The suburb recorded 11.8% growth over the past year and a 6.1% compound annual growth rate over five years. The market cycle is currently cooling, which signals a potential entry point for investors before the next upswing. Days on market data is not available, but the cooling cycle suggests buyers have slightly more negotiating power than sellers. With an 89% owner-occupier rate, this is a stable, non-speculative market — sellers are not desperate, and buyers face limited distressed stock.

## 3. Rental Market Vacancy rate is 1.6% — well below the 3% benchmark for a balanced market. Weekly rent is $1,250/week, delivering a gross rental yield of 3.2%. Rental demand is rated high, and the vacancy trend is improving, meaning fewer properties sit empty. For investors, the yield is modest but the low vacancy rate and high rents signal strong tenant demand from a demographic that can afford premium housing. The 3.0% unemployment rate in the area supports rental stability.

## 4. Short-Term Rental Opportunity Median nightly STR rate is $419, with occupancy at 40%. Estimated annual revenue: $419 × 0.40 × 365 = $61,174. Compare this to long-term rental income of $1,250 × 52 = $65,000 per year. LTR outperforms STR by approximately $3,826 annually in this suburb. STR occupancy is low, likely due to Illawong's residential character and lack of tourist attractions. Long-term rental is the better strategy here — it provides higher gross income with less operational risk and management overhead.

## 5. Infrastructure & Growth Drivers Three major transport projects are operational or under construction: - WestConnex Motorway (Operational) — directly improves connectivity to Sydney CBD and employment hubs - Sydney Gateway (Under Construction) — will enhance airport and port access - Sydney Metro City & Southwest (Operational) — adds rail capacity - Sydney Metro West (Under Construction) — future connectivity boost

The supply pipeline is low, with price growth outpacing new supply. Limited development pipeline means existing stock becomes more valuable over time. Standard suburban transport access is adequate but not exceptional — the suburb relies heavily on car travel. Employment base is diversified across Sydney's southern and central business districts.

## 6. Bull Case If current conditions hold, Illawong's 13.5% three-year growth forecast would push median house prices to approximately $2,293,000 by 2027. The low supply pipeline combined with high owner-occupier demand (89%) creates a floor under prices. The 1.6% vacancy rate and high rental demand suggest rents could rise further, potentially improving the 3.2% yield toward 3.5–3.8% over time. WestConnex and Sydney Gateway completion will likely increase buyer demand from professionals working in the CBD and airport precincts. The 3.0% unemployment rate supports sustained buyer and tenant capacity.

## 7. Risks - Premium price point limits buyer pool: At $2,020,824, Illawong is in the top 10% of Sydney suburbs. This reduces the number of potential buyers and increases time to sell during downturns. - Interest rate sensitivity: Premium properties are more sensitive to rate changes. A 1% rate rise adds approximately $20,000 per year in interest costs on an 80% LVR loan — this can force some owners to sell. - Single-employer dependency: Not applicable here — employment is diversified across Sydney's broader economy. - Supply pipeline is low — this is actually a positive for existing owners, not a risk. - Vacancy risk is minimal at 1.6%, but if unemployment rises above 5%, vacancy could spike toward 3–4%. - Comparable suburbs show mixed performance: Mount Lewis fell -7.4% in one year, while Campsie grew only 1.5%. Illawong's 11.8% growth may not be sustainable if broader market conditions weaken.

## 8. The Play - Entry range: $1,800,000$2,200,000 for houses; $1,300,000$1,500,000 for units - Minimum yield to target: 3.0% gross yield — anything below this signals overpaying - Watch signals: - RBA cash rate decisions — two consecutive cuts would boost buyer demand - Vacancy rate rising above 2.5% would signal softening rental demand - Supply pipeline announcements — any new development approvals above 50 dwellings would increase competition - Recommended strategy: Buy and hold for 5+ years. Target houses under $2 million to capture growth while minimising premium risk. Use long-term rental strategy — STR underperforms here. Focus on properties within 1km of WestConnex access points for maximum transport-linked appreciation.

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

Pre-gentrification3.0/10
High SEIFA decile — already upgraded or established affluent area
Moderate capital growth (6.1% CAGR)
Outer suburban location (21.7km to CBD) — slower gentrification cycle
Active development pipeline (5667 approvals) — supply attracting new residents
Strong public transport infrastructure — supports walkable gentrification

Growth Forecast

high confidence
1yr Forecast
6.3%
p.a.
2yr Forecast
5.8%
p.a.
5yr Forecast
5.0%
p.a.

Basis: 5yr CAGR 6.1% + 10yr CAGR 7.2%

Growth drivers
  • +Low rental vacancy (1.6%) — constrained supply
  • +Premium transport infrastructure — supports long-term capital growth
Headwinds
  • High supply pipeline (5667 new approvals) — may cap price growth

Suburb Metric Thresholds

10 green2 yellow4 red
Rental Vacancy Rate
1.6 high impact
Days on Market
57 high impact
Weekly Rent (house)
1250 medium impact
5yr Price CAGR
6.06 high impact
10yr Price CAGR
7.24 high impact
1yr Price Growth
11.8 medium impact
Population Growth
0.04 high impact
Median Household Income
2743 medium impact
Unemployment Rate
3 medium impact
Public Transport Score
37 medium impact
School Zone Quality
7.7 medium impact
Distance to CBD
21.7 medium impact
SEIFA Advantage/Disadvantage
9 medium impact
Owner Occupier Rate
89 medium impact
Gross Rental Yield (%)
3.22 high impact
Net Rental Yield (%)
1.72 high impact

Macro Environment

Macro Indicators

Cash Rate

4.35%

0.25%

Cash rate as at 2026-05-06 · Credit data 2026-03

Suburb Supply & Demand

Suburb Supply Pipeline — New Dwelling Approvals

1,113

2020

1,488

2021

1,323

2022

998

2023

745

2025

New dwelling approvals — higher numbers mean more future supply

Socio-Economic Profile

Source: ABS Census 2021

SEIFA Index · Postcode 2234

Most disadvantagedLeast disadvantaged

Decile 10 of 10 — Low disadvantage

Population

30,648

Education (IEO)

9/10

Econ. Resources (IER)

10/10

10-Year Investment Projection

Modelled on Illawong NSW data — rent, capital growth, tax, and depreciation over 10 years.

Pre-filled: $1250/wk median rent for Illawong. Capital growth and rent increase are editable assumptions.

Schools

In your catchment

Tharawal PS
PrimaryGovernment
7.6/10
Menai HS
SecondaryGovernment
6.9/10

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.