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What’s in Common with Australia’s Growing Regions even after 8 Interest Rate Rises

More than half of Australian SA3 regions didn’t even go through a price decline – what’s the magic with these growing regions? In today’s blog, we are going to discuss some common features that cause them to keep growing.

Image for the article - What’s in Common with Australia’s Growing Regions even after 8 Interest Rate Rises
What’s in Common with Australia’s Growing Regions even after 8 Interest Rate Rises

The good news is the national house price decline is finally easing, as the latest CoreLogic Hedonic Home Value Index shows.

The better news is that more than half of Australian SA3 regions didn’t even go through a price decline, our recent data review reveals.

So, what’s the magic with these growing regions? In today’s blog, we are going to discuss some features these regions share that cause them to keep growing.

Which regions shall we look at? Let’s use the top performers in the CoreLogic HVI report:

• Top 5 Capital city SA3s with the highest 12m value growth

Image of 63a439a8ae7355cb76a0f753 1.%20Top%205%20Capital%20City%20SA3s
Source: CoreLogic

•Top 5 regional SA3s with the highest 12m value growth

Image of 63a439f0ad8b808854a57201 2.%20Top%205%20Regional%20SA3s
Source: CoreLogic

After reviewing the market indicators of each region, we find that their growth is backed by a combination of the below features.

Relative Affordability

After 8 cash rate rises, property buyers’ borrowing capacity has decreased significantly, which quickly impacted the markets where buyers need to maximise their borrowing capacity to get a house. Affordability, or relative affordability, to be more precise, has become the most significant influencer on house prices this year.

Relative affordability is the relationship between income and house price. A house is usually deemed affordable if the buy spends up to 30% of their disposable income on loan repayment.

InvestorKit uses an “overvalue/undervalue” method to measure a region’s relative affordability, where we compare the repayment of an 80% LVR loan for a median-priced house to 30% of a 2-earner family’s income (with the region’s average income). If the loan repayment is higher, we call the region’s houses “overvalued” (unaffordable); otherwise, they are “undervalued” (affordable).

The table below lists the top performers’ median house prices and relative affordability. Greater Sydney and Greater Melbourne’s figures are listed at the bottom for comparison as they lead the price downturn.

Image of 63a43a34509ba54f06304bc2 3.%20Affordability

Most of the top performers enjoy affordable house prices, indicating the importance of affordability to price growth this year. However, two top-performing regions are “overvalued”. That is why we need to look at the following indicator –

Low or Lowering Inventory (Supply-Demand Relationship)

While affordability significantly influences market growth amid interest hikes, price growth is essentially determined by the relationship between demand and supply: demand exceeding supply tends to push prices up, while supply exceeding demand tends to weaken growth.

We use inventory to measure the relationship between supply and demand:

Image of 63a43a75e56b203f570aa724 4.%20Inventory%20Equation

The lower inventory, the tighter the market, and prices are more likely to grow.

The table below lists the top-performing regions’ inventory with Greater Sydney and Melbourne as a comparison.

Image of 63a43a97bce8991f89bc889c 5.%20Inventories

It’s interesting to see that Greater Sydney and Melbourne’s inventories are still relatively low, indicating that the 2022 property market downturn is not caused by oversupply but primarily by low sentiment, so it’s likely to bounce once consumer sentiment is back up (Find more information on consumer sentiment trend in our lately released a whitepaper: 7 Trends Savvy Investors Don’t Want You to Know in 2023).


Low Rental Vacancy Rates

The rental vacancy rate reflects the demand-supply relationship in the rental market as well as the region’s housing demand. One of the features our top performers share is extremely low vacancy rates (table below).

Image of 63a43afa2b03e839b61b9619 6.%20Vacancy%20Rates

Although vacancy rate is not a sales market indicator, it has multiple links with the sales market:

–      Low vacancies would push some renters to the sales market due to high competition and/or rising rents, especially when purchasing a house is affordable.

–      The rising rents would attract more investors, increasing demand in the sales market.

–      If the low vacancy rates are caused by large numbers of migrants (internal or overseas), many of them would need to buy their own houses in a few years after settling down.


A combination of relative affordability, low inventory, and low vacancy rates have helped many SA3 regions’ house prices keep growing even after 8 back-to-back interest rate rises. Besides these common features, each region has multiple other factors supporting its growth, including population growth, economic recovery, infrastructure investments, low incoming housing supply, lifestyle attraction, and more.

InvestorKit buyers’ agency adopts a market pressure analysis methodology that takes all the above factors into consideration to identify markets with solid growth potential not only in booming times but also against headwinds.That is why most of our frequently purchasing regions have made the top performer lists in the CoreLogic HVI report, such as Greater Adelaide, Wagga Wagga, Armidale, Barossa, Bundaberg, etc. Want to work with us and buy your next investment property in one of the top-performing regions? Talk to us today by clicking here and requesting your 45-min FREE no-obligation consultation!

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