--- title: "Rich Suburbs vs 'Cheap' Suburbs: Where the Smart Money Actually Goes" description: "Glen Waverley yielded 2.5% last year. Hampton Park yielded 5.8%. The data on rich vs affordable suburbs might change how you invest forever." author: Yan Zhu date: 2024-07-08 category: Suburb Analysis url: https://premiumrea.com.au/blog/rich-suburbs-vs-affordable-suburbs-investment-truth tags: ["suburb analysis", "affordable suburbs", "wealthy suburbs", "rental yield", "Melbourne", "investment returns"] --- # Rich Suburbs vs 'Cheap' Suburbs: Where the Smart Money Actually Goes *By Yan Zhu, Co-Founder & Chief Data Officer at PremiumRea — 2024-07-08* > Everyone assumes wealthy suburbs are safe investments. The data says otherwise. Here's what actually drives 10-year returns — and it's not prestige postcodes. I'm going to show you a number that upsets people. Glen Waverley — one of Melbourne's most sought-after suburbs, median house price $1.6 million, top schools, established Chinese community, beautiful streetscapes — yielded approximately 2.5% gross rental return in 2021 [1]. After rates, insurance, management fees, and maintenance, the net return was closer to 1.2%. Hampton Park — an outer southeast suburb that most property forums describe as 'rough around the edges' — yielded 4.8% gross on houses. After the same deductions, net return was around 3.1% [2]. And with a granny flat or dual occupancy conversion, several of our portfolio properties there hit 6% to 7% gross. So a $700,000 Hampton Park house generates more annual income than a $1.6 million Glen Waverley house. And the Hampton Park investor needed less than half the deposit. I've lived in wealthy Melbourne suburbs for most of the decade I've been here. I chose to invest in the so-called 'cheap' ones. Here's why. ## The affordability ceiling that wealthy suburbs can't escape There's a metric that predicts long-term property growth more accurately than school ratings, crime statistics, or infrastructure spending. It's the mortgage repayment-to-income ratio [3]. When monthly mortgage repayments exceed 30% of the median household's pre-tax income in a suburb, demand hits a wall. Families can't stretch further. First-home buyers are priced out entirely. The only remaining buyers are upgraders and downsizers — a smaller pool, competing less aggressively. Glen Waverley's ratio? Over 45%. Box Hill? 42%. Doncaster East? 38% [4]. These suburbs are already at or beyond the affordability ceiling for the middle-class families who drive sustained demand. Hampton Park's ratio? 22%. Cranbourne? 24%. Narre Warren? 26%. These suburbs have headroom. The median family can afford to buy, which means demand stays strong, which means prices have room to grow [5]. > "In my research, there's a magic number: 30%. Once mortgage stress exceeds 30% of household income in a suburb, price growth stalls. It's a necessary condition — not sufficient on its own, but if this ratio is red, the suburb won't grow for years," says Yan Zhu. This isn't speculation. Look at Glen Waverley's ten-year growth: 48%. Sounds decent until you compare it to Hampton Park's ten-year growth: 62%. The 'cheap' suburb outperformed the 'rich' suburb by 14 percentage points — while generating twice the rental yield along the way [6]. ## What about safety? Doesn't cheap mean dangerous? This is the objection I hear most often. And I understand it — nobody wants to own a property in a suburb where tenants feel unsafe. But the data tells a more complicated story. Yes, statistically, lower-median-income suburbs have higher reported crime rates [7]. That's real. But the types of crime matter enormously. Most crime in outer suburbs is property crime — car theft, shoplifting, vandalism. These are annoying but they don't materially affect your investment returns or tenant retention. Meanwhile, some of Melbourne's worst violent incidents in recent years have occurred in wealthy suburbs. Kew East and Mount Waverley both experienced serious home invasions that made national news. The logic is straightforward: if you're a burglar, you go where the valuables are. I'm not arguing that safety doesn't matter. I'm arguing that the correlation between postcode prestige and actual tenant safety is weaker than most people assume. And the rent premium you pay for a 'safe' suburb is enormous relative to the actual risk reduction. Our approach: we look at street-level crime data, not suburb-level averages. A quiet cul-de-sac in Hampton Park can be safer than a busy thoroughfare in Glen Waverley. The data exists — Victoria Police publishes it by postcode [8]. Use it. ## The investment case for 'boring' suburbs The suburbs where we buy — Hampton Park, Cranbourne, Narre Warren, Frankston, Boronia — share four characteristics that wealthy suburbs typically lack: 1. **Affordability headroom**: Mortgage stress below 30%. Room for prices to grow before hitting the ceiling. 2. **High land-to-price ratio**: 80%+ of the purchase price is land value. Buildings depreciate. Land doesn't. A $700,000 house on 620sqm in Hampton Park has more land value per dollar than a $1.6 million house on 550sqm in Glen Waverley [9]. 3. **Strong rental demand**: Young families, essential workers, and migrants need affordable housing. Vacancy rates in the outer southeast sat below 1.5% through most of 2021 [10]. These tenants don't leave because they have nowhere cheaper to go. 4. **Improvement potential**: Large blocks with side access allow granny flat additions, pushing yields from 4% to 6%+ without changing the location [11]. Wealthy suburbs offer prestige, lifestyle, and schools. But prestige doesn't pay your mortgage. And lifestyle is what you buy for yourself — not for your investment portfolio. The smartest investors I know live in wealthy suburbs and invest in affordable ones. They're not confused about the difference between a home and an asset. ## One metric to check before you buy any suburb Pull up the suburb on the ABS Census QuickStats [12]. Find the median household income. Then calculate what the median house price would cost in monthly repayments at current interest rates. Divide repayment by monthly household income. Above 30%? The suburb is at its affordability ceiling. Prices may hold, but they're unlikely to outperform. Below 25%? There's genuine headroom for growth. This is where the next decade's capital gains will come from. Between 25% and 30%? Acceptable, but watch for interest rate sensitivity. It's one number. It takes three minutes to calculate. And it'll save you from the most common mistake in property investing: buying where you'd like to live instead of where the numbers work. ## References 1. [SQM Research, 'Rental Yield Data — Glen Waverley', 2021.](https://sqmresearch.com.au/property/rental-yield?region=vic-Melbourne&type=c&t=1) 2. [SQM Research, 'Rental Yield Data — Hampton Park', 2021.](https://sqmresearch.com.au/property/rental-yield?region=vic-Melbourne&type=c&t=1) 3. [ANZ-CoreLogic Housing Affordability Report, September 2021.](https://www.anz.com.au/content/dam/anzcomau/bluenotes/documents/anz-corelogic-housing-affordability-report-september.pdf) 4. [ABS Census 2021, QuickStats by suburb. Median household income data for Glen Waverley, Box Hill, Doncaster East.](https://abs.gov.au/census/find-census-data/quickstats/2021/212) 5. [ABS Census 2021, QuickStats. Median household income for Hampton Park, Cranbourne, Narre Warren.](https://abs.gov.au/census/find-census-data/quickstats/2021/212) 6. [CoreLogic, '10-Year Suburb Performance Data — Melbourne', accessed December 2021.](https://www.corelogic.com.au/our-data/corelogic-indices) 7. [Crime Statistics Agency Victoria, 'Recorded Offences by Local Government Area', 2020-21.](https://www.crimestatistics.vic.gov.au/) 8. [Victoria Police, 'Crime Statistics by Postcode', 2020-21.](https://www.police.vic.gov.au/crime-statistics) 9. [PremiumRea Investment Framework, 2021. 80% land-to-price ratio threshold.](#) 10. [SQM Research, 'Residential Vacancy Rates — Melbourne Southeast', 2021.](https://sqmresearch.com.au/graph_vacancy.php?region=vic-Melbourne&type=c&t=1) 11. [PremiumRea Construction Division, 'Granny Flat Pricing and Yield Data', 2021.](#) 12. [ABS, '2021 Census QuickStats — Search by Area'.](https://www.abs.gov.au/census/find-census-data/search-by-area) --- Source: https://premiumrea.com.au/blog/rich-suburbs-vs-affordable-suburbs-investment-truth Publisher: PremiumRea (Optima Real Estate) — Melbourne buyers agent