Gregory Hills vs Koolewong
Property investment comparison - Gregory Hills, NSW 2557 vs Koolewong, NSW 2256
Head-to-head across core investment metrics: Gregory Hills wins 1, Koolewong wins 3. 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 | Gregory Hills | Koolewong |
|---|---|---|
| Median house price | $1.1M | $1.1M |
| Median unit price | $1.0M | $690K |
| Gross rental yield (houses) | - | 3.30% |
| Gross rental yield (units) | 2.91% | 4.27% |
| 1-year house growth | +8.8% | +8.8% |
| 3-year house growth | +15.6% | +11.9% |
| Vacancy rate | 2.0% | 1.0% |
| Population | 9,142 | 920 |
Gregory Hills vs Koolewong: what the numbers say
Houses cost about the same in both suburbs: the median house price is $1.1M in Gregory Hills and $1.1M in Koolewong.
For units, Gregory Hills sits at a median of $1.0M against $690K in Koolewong, which makes Koolewong the more affordable unit market and Gregory Hills the pricier one.
Over the past year house prices moved +8.8% in both suburbs.
Looking back three years, Gregory Hills houses are +15.6% and Koolewong houses +11.9%, so Gregory Hills has compounded faster than Koolewong over the longer window.
Rental vacancy is 1.0% in Koolewong and 2.0% in Gregory Hills, so landlords in Koolewong face less competition for tenants. Anything under 2% is generally read as a tight market where tenants compete for homes.
Gregory Hills is the bigger suburb, with a population of 9,142 against 920, roughly 10 times the size of Koolewong; a larger suburb usually means a deeper pool of buyers and tenants.
In short: Koolewong 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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