Flagstaff Hill vs Happy Valley
In both, the large majority of households own their home and the large majority of homes are detached houses. In Flagstaff Hill, most households are couple families. In Happy Valley, about half of households are couple families. Houses cost more in Flagstaff Hill: a median of $1.04 million, against $870,000 in Happy Valley, and rent is higher there too. Flagstaff Hill is closer to the city centre: 17.6 km, against 23.1 km. On these figures, Flagstaff Hill tends to suit couples, while Happy Valley suits people living alone and buyers on a tighter budget.
Which one suits you?
There is no overall winner — the suburb that suits a family with school-age kids is routinely the wrong one for someone commuting into the city. So each of these answers its own question, against a checklist you can see, using the same figures in the tables below.
Families with school-age kids
Flagstaff Hill
ahead on 2 of the 6 things we measure here
- carries lower crime risk (18/100 vs 31/100)
- is already more of a family suburb (73% vs 62%)
Weighs schools, house stock, crime, parks, childcare, and who already lives there.
First-home buyers
Happy Valley
ahead on the one thing that separates them
- has cheaper houses ($870,000 vs $1,035,500)
Weighs house prices, land prices, and mortgage stress.
Renters
Too close to call
Nothing among the 3 things we measure here separates them by enough to be worth acting on.
Weighs rent, rental stress, and how much is for rent.
Commuting to the city
Flagstaff Hill
ahead on 3 of the 4 things we measure here
- has a shorter drive in (24 min vs 56 min)
- is more walkable (62/100 vs 41/100)
- sits closer to the CBD (17.6 km vs 23.1 km)
Weighs distance, drive time, rail access, and walkability.
Downsizers and retirees
Flagstaff Hill
ahead on 2 of the 5 things we measure here
- carries lower crime risk (18/100 vs 31/100)
- is more walkable (62/100 vs 41/100)
Weighs smaller dwellings, who already lives there, GPs, walkability, and crime.
Investors
Happy Valley
ahead on the one thing that separates them
- returns a higher gross yield on houses (4.0% vs 3.1%)
Weighs house yield and population growth.
Where they sit
Flagstaff Hill and Happy Valley drawn to the same scale. Both outlines are shown together, so the map answers whether they share a border and how their areas compare.
Bars start at zero. Scores, risks and rankings are drawn against their full 0–100 range; other rows are drawn in proportion to the larger of the two.
Side by side, out of 100
Risks are inverted — shown as safety and low exposure — so a longer bar always means better.
Demographics
Flagstaff Hill has higher household incomes ($108,160 vs $81,796).
| Flagstaff Hill | Happy Valley | |
|---|---|---|
| Population | 10,184 | 11,420 +12% vs other |
| Population trend (2016 → 2021) | +2.4% | +1.8% |
| Median age | 43 | 42 |
| Median household income | $108,160/yr +24% vs other | $81,796/yr |
| Median weekly rent | $385/wk +6% vs other | $360/wk |
Age profile
Share of residents in each band, 2021 Census.
Bars are drawn against the largest share shown (14.2%).
Who lives together
Household composition, 2021 Census.
Who owns and who rents
Occupied private dwellings by tenure, 2021 Census.
Qualifications
Highest non-school qualification, residents 15+, 2021 Census.
Bars are drawn against the largest share shown (18.6%).
Where residents were born
Largest overseas birthplaces, as a share of all residents, 2021 Census. A dash means that country is not among the suburb's own eight largest.
Bars are drawn against the largest share shown (9.8%).
What people live in
Occupied private dwellings by structure, 2021 Census.
Property market
| Flagstaff Hill | Happy Valley | |
|---|---|---|
| Median house price | $1,035,500 | $870,000 |
| Median unit price | — | $665,000 |
| Median land price | $585,000 | $520,000 |
| Typical days to sell (houses) | 15 days from 91 sales | 16 days from 90 sales |
House price by bedroom count
Only bed counts both suburbs published enough sales for. Sale counts are shown because the buckets differ in depth.
88 vs 122 sales
75 vs 60 sales
16 vs 18 sales
Zoning mix
Flagstaff Hill has more land zoned for conservation (29% vs 1%).
| Flagstaff Hill | Happy Valley | |
|---|---|---|
| Residential | 68% | 46% |
| Parks and recreation | 2% | 51% |
| Environmental | 29% | 1% |
| Rural and farming | 0% | 1% |
| Zoning sets what may be built, not what is there today. A single address can sit in a different zone to the suburb around it. Zones as at 2026-09. | ||
Development activity
| Flagstaff Hill | Happy Valley | |
|---|---|---|
| New dwellings approved | 1,367 across Onkaparinga same for both | |
| Approvals change year on year | +58% same for both | |
Gross rental yield
| Flagstaff Hill | Happy Valley | |
|---|---|---|
| Houses | 3.1% $660/wk on $1.11M | 4.0% $675/wk on $885K |
| Units | — same for both | |
Ranking within SA
| Flagstaff Hill | Happy Valley | |
|---|---|---|
| House price | Higher than 48% of SA | Higher than 32% of SA |
| Income | Higher than 85% of SA | Higher than 57% of SA |
| Schools | — same for both | |
| Walkability | Higher than 84% of SA | Higher than 78% of SA |
| Affordability | Higher than 85% of SA | Higher than 76% of SA |
| EV adoption | Higher than 77% of SA same for both | |
| NBN connectivity | Higher than 82% of SA | Higher than 85% of SA |
| Rental yield (houses) | Higher than 17% of SA | Higher than 54% of SA |
Liveability
Flagstaff Hill is more walkable (62 vs 41); Flagstaff Hill scores higher overall (72 vs 61).
| Flagstaff Hill | Happy Valley | |
|---|---|---|
| Grade | A | B |
| Score | 72/100 | 61/100 |
| Socio-economic band | very advantaged area decile 9/10 | mid-range socio-economic decile 6/10 |
Risk profile
Flagstaff Hill carries more bushfire risk (22 vs 0); Happy Valley carries more crime risk (31 vs 18).
| Flagstaff Hill | Happy Valley | |
|---|---|---|
| Bushfire | Low 22/100 | None 0/100 |
| Crime | Low 18/100 | Low 31/100 |
| Flood | Low 36/100 | Low 37/100 |
| Coastal erosion | None 0/100 same for both | |
| Aircraft noise | None 0/100 same for both | |
| Industrial facilities nearby | 3 within 5 km same for both | |
Schools
| Flagstaff Hill | Happy Valley | |
|---|---|---|
| Inside the suburb | 2 same for both | |
| Rated above peers | 0 same for both | |
| Rated at peers | 1 same for both | |
| Rated below peers | 1 same for both | |
| Universities within 10 km | 2 Bedford Park, 3.1 km | 2 Bedford Park, 5.9 km |
| Full-time students aged 15–24 | 2.7% | 1.8% |
Schools in Flagstaff Hill
- Craigburn Primary School Government · Primary at peers
- Flagstaff Hill Primary School Government · Primary below peers
Schools in Happy Valley
- Happy Valley Primary School Government · Primary at peers
- Braeview School Government · Primary below peers
Amenities in the suburb
| Flagstaff Hill | Happy Valley | |
|---|---|---|
| Supermarkets | 1 same for both | |
| Cafes & restaurants | 1 | 2 |
| Parks & reserves | 8 | 10 |
| Childcare | 5 | 6 |
| GPs | 1 | 2 |
| Pharmacies | 0 | 1 |
| Banks & Bank@Post | 1 same for both | |
| Waterways | 2 | 5 |
Mobility
Happy Valley sits further from the CBD (23.1 km vs 17.6 km).
| Flagstaff Hill | Happy Valley | |
|---|---|---|
| Walkability score | 62/100 | 41/100 |
| Distance to Adelaide | 17.6 km | 23.1 km +31% vs other |
| Drive time (normal traffic) | 24 min | 56 min |
| Public transport score | 79/100 Bus same for both | |
| Peak arrivals per hour | 155.8 7-9am + 5-7pm | 237.2 7-9am + 5-7pm |
| Median peak wait | 0 min scheduled, not actual same for both | |
| Electric vehicle share | 1.0% postcode 5159 same for both | |
| Rooftop solar per 100 dwellings | 70 postcode 5159 same for both | |
How people get to work
Method of travel on census day 2021 — which fell during COVID restrictions, so working from home is inflated and every travel mode understated.
Bars are drawn against the largest share shown (80.1%).
Setting
| Flagstaff Hill | Happy Valley | |
|---|---|---|
| Elevation | 194 m above sea level, at the suburb centre | 147 m above sea level, at the suburb centre |
| Distance to the ocean | 6.5 km | 6.9 km |
NBN connectivity
| Flagstaff Hill | Happy Valley | |
|---|---|---|
| Connectivity score | 70/100 | 74/100 |
| Most common technology | Fibre to the node | Fibre to the premises |
| Full-fibre (FTTP) share | 46% 3,940 premises | 45% 4,948 premises |
Climate
| Flagstaff Hill | Happy Valley | |
|---|---|---|
| Annual rainfall | 394 mm same for both | |
| Summer max (Jan) | 28.1°C same for both | |
| Winter min (Jul) | 7.8°C same for both | |
Air quality (annual mean)
| Flagstaff Hill | Happy Valley | |
|---|---|---|
| PM2.5 | — same for both | |
| PM10 | 19.5 µg/m³ same for both | |
| NO₂ | 0.34 pphm same for both | |
Council rates
| Flagstaff Hill | Happy Valley | |
|---|---|---|
| Average residential rate | $2,008/yr same for both | |
| Council | Onkaparinga same for both | |
Federal electorate
| Flagstaff Hill | Happy Valley | |
|---|---|---|
| Division | Kingston same for both | |
| Member | Amanda Rishworth same for both | |
| Party | Australian Labor Party same for both | |
First Home Owner Grant
| Flagstaff Hill | Happy Valley | |
|---|---|---|
| Grant amount | $15,000 same for both | |
| Property price cap | — same for both | |
| Eligibility | New same for both | |
Tags
Flagstaff Hill
Happy Valley
More comparisons
Other comparisons with Flagstaff Hill
Information shown is provided as-is from Australian government and commercial data sources.
Always verify with the relevant authority before making property decisions.
See Data Sources and How We Calculate for details.