Tranmere SA Property Investment

Adelaide Hills · 5073 · Score: 70/100 · Buy

Median House Price
$1.09M
Rental Yield
2.4%
Vacancy Rate
0.8%
Median Weekly Rent
$700/wk
Median Unit Price
$745K
Population
4,136
Days on Market
60 days
Annual Growth
11.5%

Tranmere Short-Term Rental (Airbnb) Market

Avg Nightly Rate
$426.44/night
Occupancy Rate
42%
Est. Annual Revenue
$65K
AI Investment Analysis

Tranmere SA Investment Brief

Tranmere, SA — Suburb Investment Analysis

### 1. Investment Verdict Buy

The single most important number is the 0.8% vacancy rate. That signals extreme rental demand and gives investors pricing power. With a 5-year CAGR of 4.5% per year and a 3-year growth forecast of 13.5%, Tranmere offers both capital growth and rental security.

### 2. Market Overview The median house price sits at $1,511,500, with units at $744,609. House prices grew 11.5% over the past year, well above the 5-year CAGR of 4.5% per year. That 11.5% jump indicates strong recent momentum. Days on market data is unavailable, but the 0.8% vacancy rate suggests properties move quickly. The market cycle is stable, meaning buyers face competition but not a frenzy. For sellers, the 11.5% annual growth gives them leverage. For buyers, the 3-year forecast of 13.5% growth means entering now still captures upside.

### 3. Rental Market The vacancy rate is 0.8% — critically low. Rental demand is rated very high. Median weekly rent is $700 per week. Gross rental yield sits at 2.4%, which is low by national standards but reflects the high median price. For investors, the low yield is offset by strong capital growth. The 71% owner-occupier rate means less competition from landlords for rental stock, which supports rent stability. The vacancy trend is improving, meaning conditions are tightening further — good for existing landlords, harder for new investors to find tenants quickly.

### 4. Short-Term Rental Opportunity The median nightly STR rate is $426, with occupancy at 42%. Estimated annual revenue: $426 × 365 × 0.42 = $65,266 per year. Compare that to long-term rental income: $700 per week × 52 = $36,400 per year. STR generates 79% more gross revenue annually. However, the 42% occupancy rate is low — you’d need to actively manage to improve that. Given the 0.8% vacancy rate in LTR, the safer bet is long-term rental. But if you can push occupancy above 55%, STR becomes clearly superior. For most investors, LTR is the lower-risk play here.

### 5. Infrastructure & Growth Drivers Two major infrastructure projects are underway. The Adelaide Metro Train Services Franchise is under delivery, improving public transport connectivity. The North South Corridor is under construction, which will reduce travel times across Adelaide. The Botanic Gardens station is 5.1 km away — not walkable but a short drive. The supply pipeline is low, with price growth outpacing new supply. That means limited new housing stock coming online, which supports existing property values. The employment base is Adelaide-wide, with unemployment at 5.1%, slightly above the national average but stable.

### 6. Bull Case If current conditions hold, the 3-year growth forecast of 13.5% translates to a median house price of approximately $1,715,000 by 2027. Combined with the 0.8% vacancy rate, rental income should rise in line with inflation. The low supply pipeline means limited competition from new developments. If the North South Corridor completion boosts accessibility, demand could accelerate further. The 71% owner-occupier rate also means less speculative selling pressure during downturns. A best-case scenario: 15% growth over 3 years, pushing the median past $1.74 million.

### 7. Risks The primary risk is the low gross rental yield of 2.4%. If interest rates stay high or rise further, negative gearing becomes more expensive. At a 6% mortgage rate, a $1,511,500 property costs $90,690 per year in interest alone, against $36,400 in rent — a shortfall of $54,290 per year before expenses. That requires strong capital growth to justify. The 5.1% unemployment rate is slightly above the national average, but no single-employer dependency exists. The supply pipeline is low, so oversupply risk is minimal. Rate sensitivity is the biggest risk — if the RBA cuts rates, this suburb benefits; if rates rise, it hurts. No significant risk factors are identified in the scorecard, but the yield alone is a concern for cash flow-focused investors.

### 8. The Play Entry range: $1.4 million to $1.6 million for houses; $700,000 to $800,000 for units. Minimum yield to target: 2.5% gross yield — anything below that is too risky without exceptional growth prospects. Watch signals: Monitor the vacancy rate — if it rises above 1.5%, rental demand is softening. Track the North South Corridor completion timeline — delays reduce the growth catalyst. Also watch Adelaide-wide employment data — a rise above 6% unemployment would weaken demand. Recommended strategy: Buy a house in the $1.4$1.5 million range with a 2.5%+ yield. Hold for 5+ years to capture the 4.5% CAGR and the 13.5% 3-year forecast. Use negative gearing to offset the low yield. Avoid STR unless you have a proven track record of pushing occupancy above 55%. The 0.8% vacancy rate makes LTR the safer, more predictable option.

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 signals4.0/10
High SEIFA decile — already upgraded or established affluent area
Moderate capital growth (4.5% CAGR)
Inner/middle ring location (6.2km to CBD) — high gentrification corridor
Active development pipeline (852 approvals) — supply attracting new residents
Strong public transport infrastructure — supports walkable gentrification

Growth Forecast

high confidence
1yr Forecast
4.7%
p.a.
2yr Forecast
4.3%
p.a.
5yr Forecast
3.7%
p.a.

Basis: 5yr CAGR 4.5% + 10yr CAGR 4.9%

Growth drivers
  • +Above-average population growth (2.0%/yr)
  • +Very tight rental market (vacancy 0.8%) — upward price pressure
Headwinds
  • High supply pipeline (852 new approvals) — may cap price growth

Suburb Metric Thresholds

7 green6 yellow3 red
Rental Vacancy Rate
0.8 high impact
Days on Market
60 high impact
Weekly Rent (house)
700 medium impact
5yr Price CAGR
4.49 high impact
10yr Price CAGR
4.94 high impact
1yr Price Growth
11.51 medium impact
Population Growth
2.01 high impact
Median Household Income
1667 medium impact
Unemployment Rate
5.1 medium impact
Public Transport Score
6.8 medium impact
School Zone Quality
6.5 medium impact
Distance to CBD
6.17 medium impact
SEIFA Advantage/Disadvantage
8 medium impact
Owner Occupier Rate
70.7 medium impact
Gross Rental Yield (%)
2.41 high impact
Net Rental Yield (%)
0.91 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

134

2020

169

2021

214

2022

160

2023

175

2025

New dwelling approvals — higher numbers mean more future supply

Socio-Economic Profile

Source: ABS Census 2021

SEIFA Index · Postcode 5073

Most disadvantagedLeast disadvantaged

Decile 7 of 10 — Average

Population

16,831

Education (IEO)

8/10

Econ. Resources (IER)

5/10

10-Year Investment Projection

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

Pre-filled: $700/wk median rent for Tranmere. Capital growth and rent increase are editable assumptions.

Schools

In your catchment

Magill School
PrimaryGovernment
8.4/10
Morialta Secondary College
SecondaryGovernment
7.3/10

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.