Birrong vs Mount Kembla
Property investment comparison - Birrong, NSW 2143 vs Mount Kembla, NSW 2526
Head-to-head across core investment metrics: Birrong wins 2, Mount Kembla wins 2. The better choice depends on whether you're optimising for cash flow, growth, affordability, or liquidity, the table below highlights the winner on each metric.
| Metric | Birrong | Mount Kembla |
|---|---|---|
| Median house price | $1.4M | $1.4M |
| Median unit price | - | $750K |
| Gross rental yield (houses) | 2.87% | - |
| Gross rental yield (units) | 3.31% | 4.87% |
| 1-year house growth | +3.0%estimate | +3.6% |
| 3-year house growth | - | +23.5% |
| Vacancy rate | 0.8% | 7.4% |
| Population | 3,331 | 1,083 |
Birrong vs Mount Kembla: what the numbers say
The median house price is $1.4M in Birrong and $1.4M in Mount Kembla, so Birrong is the cheaper entry point.
Over the past year house prices moved +3.0% in Birrong (an estimate) and +3.6% in Mount Kembla, so recent momentum favours Mount Kembla, although both suburbs recorded growth.
Rental vacancy is 0.8% in Birrong and 7.4% in Mount Kembla, so landlords in Birrong face less competition for tenants. Anything under 2% is generally read as a tight market where tenants compete for homes.
Birrong is the bigger suburb, with a population of 3,331 against 1,083, roughly 3.1 times the size of Mount Kembla; a larger suburb usually means a deeper pool of buyers and tenants.
In short: Birrong for a lower purchase price, Mount Kembla for recent price momentum, Birrong for the tighter rental market. Which matters more depends on whether the investor is buying for cash flow, capital growth or affordability.
Keep exploring
- National investment guide - top suburbs across every metric
- Take the suburb finder quiz - 5 questions to match your goals
- How our investment score works
- Property investment glossary - every term defined
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