Tea Tree Gully vs St Agnes

In both, the large majority of households own their home and the large majority of homes are detached houses. In Tea Tree Gully, about half of households are couple families. Houses cost more in Tea Tree Gully: a median of $955,000, against $849,000 in St Agnes. St Agnes is closer to the city centre: 16.7 km, against 19.5 km.

Tea Tree Gully and St Agnes sit 2.8 km apart in Adelaide's northeast, but differ notably on livability and risk. St Agnes scores higher on walkability (60 vs 50) and liveability (52 vs 37), sits closer to the CBD (16.7 km vs 19.5 km), and has no bushfire risk compared to Tea Tree Gully's score of 86. Tea Tree Gully offers a higher median household income ($83,564 vs $80,964) and lower crime risk (37 vs 69), making it better suited to those prioritising safety and financial stability, while St Agnes appeals to buyers seeking walkability and proximity to the city.

Written by an AI language model from the figures below. Every number in it is checked against those figures before it is published.

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

Tea Tree Gully

ahead on the one thing that separates them

  • carries lower crime risk (35/100 vs 67/100)

Weighs schools, house stock, crime, parks, childcare, and who already lives there.

First-home buyers

St Agnes

ahead on 2 of the 4 things we measure here

  • has cheaper land ($320,000 vs $553,500)
  • has cheaper houses ($849,000 vs $955,000)

Weighs house prices, unit 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

St Agnes

ahead on 3 of the 4 things we measure here

  • is more walkable (60/100 vs 50/100)
  • has a shorter drive in (26 min vs 31 min)
  • sits closer to the CBD (16.7 km vs 19.5 km)

Weighs distance, drive time, rail access, and walkability.

Downsizers and retirees

Tea Tree Gully

ahead on 2 of the 5 things we measure here

  • has more GPs (2 vs 0)
  • carries lower crime risk (35/100 vs 67/100)
  • But St Agnes is more walkable (60/100 vs 50/100)

Weighs smaller dwellings, who already lives there, GPs, walkability, and crime.

Investors

Tea Tree Gully

ahead on the one thing that separates them

  • is growing faster (7.9% vs 2.4%)

Weighs house yield and population growth.

Where they sit

Tea Tree Gully and St Agnes drawn to the same scale. Both outlines are shown together, so the map answers whether they share a border and how their areas compare.

Tea Tree Gully St Agnes
Hides rows where both suburbs match

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.

Tea Tree Gully St Agnes
Walkability 50 / 60
Tea Tree Gully — Walkability: 50/100 St Agnes — Walkability: 60/100
Safety 65 / 33
Tea Tree Gully — Safety: 65/100 St Agnes — Safety: 33/100
Low fire risk 13 / 100
Tea Tree Gully — Low fire risk: 13/100 St Agnes — Low fire risk: 100/100
Low flood risk 30 / 14
Tea Tree Gully — Low flood risk: 30/100 St Agnes — Low flood risk: 14/100

Demographics

Tea Tree Gully St Agnes
Population 3,499 4,233
+21% vs other
Population trend (2016 → 2021) +7.9% +2.4%
Median age 44
same for both
Median household income $83,564/yr
+3% vs other
 $80,964/yr
Median weekly rent $325/wk $340/wk
+5% vs other

Age profile

Share of residents in each band, 2021 Census.

Tea Tree Gully St Agnes
0-4 4.9% / 4.9%
Tea Tree Gully — 0-4: 4.9% St Agnes — 0-4: 4.9%
5-14 10.7% / 11.8%
Tea Tree Gully — 5-14: 10.7% St Agnes — 5-14: 11.8%
15-19 5.6% / 4.8%
Tea Tree Gully — 15-19: 5.6% St Agnes — 15-19: 4.8%
20-24 5.9% / 4.9%
Tea Tree Gully — 20-24: 5.9% St Agnes — 20-24: 4.9%
25-34 11.4% / 11.5%
Tea Tree Gully — 25-34: 11.4% St Agnes — 25-34: 11.5%
35-44 12.3% / 12.4%
Tea Tree Gully — 35-44: 12.3% St Agnes — 35-44: 12.4%
45-54 13.5% / 13.0%
Tea Tree Gully — 45-54: 13.5% St Agnes — 45-54: 13.0%
55-64 12.3% / 13.5%
Tea Tree Gully — 55-64: 12.3% St Agnes — 55-64: 13.5%
65-74 12.4% / 11.9%
Tea Tree Gully — 65-74: 12.4% St Agnes — 65-74: 11.9%
75-84 8.3% / 7.4%
Tea Tree Gully — 75-84: 8.3% St Agnes — 75-84: 7.4%
85+ 2.3% / 4.0%
Tea Tree Gully — 85+: 2.3% St Agnes — 85+: 4.0%

Bars are drawn against the largest share shown (13.5%).

Who lives together

Household composition, 2021 Census.

Tea Tree Gully 46.6% couple families
Tea Tree Gully — Couple Families: 46.6% Tea Tree Gully — Lone Person: 33.5% Tea Tree Gully — One Parent Families: 15.2% Tea Tree Gully — Group Household: 3.5% Tea Tree Gully — Other Families: 1.2%
St Agnes 41.6% couple families
St Agnes — Couple Families: 41.6% St Agnes — Lone Person: 37.5% St Agnes — One Parent Families: 17.0% St Agnes — Group Household: 2.9% St Agnes — Other Families: 1.1%
Couple Families Lone Person One Parent Families Group Household Other Families

Who owns and who rents

Occupied private dwellings by tenure, 2021 Census.

Tea Tree Gully 14.2% renting
Tea Tree Gully — Owned Outright: 41.4% Tea Tree Gully — Mortgage: 44.4% Tea Tree Gully — Renting: 14.2%
St Agnes 17.2% renting
St Agnes — Owned Outright: 40.1% St Agnes — Mortgage: 42.7% St Agnes — Renting: 17.2%
Owned outright Mortgage Renting

Qualifications

Highest non-school qualification, residents 15+, 2021 Census.

Tea Tree Gully St Agnes
Certificate III & IV 17.6% / 17.1%
Tea Tree Gully — Certificate III & IV: 17.6% St Agnes — Certificate III & IV: 17.1%
Bachelor Degree 12.5% / 11.9%
Tea Tree Gully — Bachelor Degree: 12.5% St Agnes — Bachelor Degree: 11.9%
Advanced Diploma / Diploma 8.5% / 8.7%
Tea Tree Gully — Advanced Diploma / Diploma: 8.5% St Agnes — Advanced Diploma / Diploma: 8.7%
Postgraduate Degree 3.6% / 3.0%
Tea Tree Gully — Postgraduate Degree: 3.6% St Agnes — Postgraduate Degree: 3.0%
Graduate Diploma / Certificate 2.1% / 1.9%
Tea Tree Gully — Graduate Diploma / Certificate: 2.1% St Agnes — Graduate Diploma / Certificate: 1.9%

Bars are drawn against the largest share shown (17.6%).

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.

Tea Tree Gully St Agnes
England 9.7% / 6.5%
Tea Tree Gully — England: 9.7% St Agnes — England: 6.5%
Italy 0.7% / 3.0%
Tea Tree Gully — Italy: 0.7% St Agnes — Italy: 3.0%
India 0.8% / 2.3%
Tea Tree Gully — India: 0.8% St Agnes — India: 2.3%
Scotland 0.7% / 0.7%
Tea Tree Gully — Scotland: 0.7% St Agnes — Scotland: 0.7%
Germany 0.5% / 0.9%
Tea Tree Gully — Germany: 0.5% St Agnes — Germany: 0.9%
China — / 1.0%
Tea Tree Gully — China: not among its largest St Agnes — China: 1.0%
Netherlands 0.6% / —
Tea Tree Gully — Netherlands: 0.6% St Agnes — Netherlands: not among its largest

Bars are drawn against the largest share shown (9.7%).

What people live in

Occupied private dwellings by structure, 2021 Census.

Tea Tree Gully 90.0% houses
Tea Tree Gully — Houses: 90.0% Tea Tree Gully — Flats / Apartments: 6.6% Tea Tree Gully — Townhouses: 3.4%
St Agnes 85.9% houses
St Agnes — Houses: 85.9% St Agnes — Flats / Apartments: 10.0% St Agnes — Townhouses: 4.1%
Houses Flats / Apartments Townhouses

Property market

Tea Tree Gully St Agnes
Median house price $955,000 $849,000
Median unit price $592,500 $585,500
Median land price $553,500 $320,000
Typical days to sell (houses) 20 days
from 36 sales
 20 days
from 34 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.

Tea Tree Gully St Agnes
3 bed $838K / $821K
Tea Tree Gully — 3 bed: $838K (34 sales) St Agnes — 3 bed: $821K (59 sales)

34 vs 59 sales

4 bed $1.03M / $890K
Tea Tree Gully — 4 bed: $1.03M (21 sales) St Agnes — 4 bed: $890K (28 sales)

21 vs 28 sales

Zoning mix

Tea Tree Gully has more land zoned for conservation (63% vs 0%); St Agnes has more industrially zoned land (16% vs 0%).

Tea Tree Gully St Agnes
Residential 37% 76%
Environmental 63% 0%
Industrial 0% 16%
Infrastructure and transport 0% 6%
Commercial 0% 2%
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

Tea Tree Gully St Agnes
New dwellings approved 574
across Tea Tree Gully
same for both
Approvals change year on year +36%
same for both

Gross rental yield

Gross — before strata, rates, management, insurance and vacancy. From median advertised rents and median asking prices over the last 6 months. How we calculate.

Tea Tree Gully St Agnes
Houses 3.5%
$660/wk on $970K
 3.9%
$650/wk on $875K
Units —
same for both

Ranking within SA

Tea Tree Gully St Agnes
House price Higher than 30% of SA Higher than 21% of SA
Income — Higher than 55% of SA
Schools —
same for both
Walkability Higher than 80% of SA Higher than 84% of SA
Affordability — Higher than 81% of SA
EV adoption Higher than 73% of SA Higher than 53% of SA
NBN connectivity Higher than 86% of SA Higher than 90% of SA
Rental yield (houses) Higher than 31% of SA Higher than 46% of SA

Liveability

St Agnes scores higher overall (42 vs 35); St Agnes is more walkable (60 vs 50).

Tea Tree Gully St Agnes
Grade C
same for both
Score 35/100 42/100
Socio-economic band advantaged area
decile 7/10
 mid-range socio-economic
decile 5/10

Risk profile

Tea Tree Gully carries more bushfire risk (87 vs 0); St Agnes carries more crime risk (67 vs 35).

Tea Tree Gully St Agnes
Bushfire High
87/100
 None
0/100
Crime Low
35/100
 Moderate
67/100
Flood High
70/100
 High
86/100
Coastal erosion None
0/100
same for both
Aircraft noise None
0/100
same for both
Industrial facilities nearby 6
within 5 km
 3
within 5 km

Schools

Tea Tree Gully St Agnes
Inside the suburb 2
same for both
Rated above peers 0
same for both
Rated at peers 0 2
Rated below peers 2 0
Universities within 10 km None 2
Adelaide University, Magill Campus, 9.3 km

Schools in Tea Tree Gully

  • Saint David's Parish School Catholic · Primary below peers
  • Tea Tree Gully Primary School Government · Primary below peers

Schools in St Agnes

  • Ardtornish Primary School Government · Primary at peers
  • St Agnes School P - 6 Government · Primary at peers

Amenities in the suburb

Tea Tree Gully St Agnes
Supermarkets 0 2
Cafes & restaurants 5 1
Parks & reserves 4 5
Childcare 4 5
GPs 2 0
Pharmacies 0 1
Police stations 1 0
Banks & Bank@Post 0 1
Fuel stations 0 1

Mobility

Tea Tree Gully sits further from the CBD (19.5 km vs 16.7 km).

Tea Tree Gully St Agnes
Walkability score 50/100 60/100
Distance to Adelaide 19.5 km
+14% vs other
 16.7 km
Drive time (normal traffic) 31 min 26 min
Public transport score 79/100
Bus
same for both
Peak arrivals per hour 72.2
7-9am + 5-7pm
 121.8
7-9am + 5-7pm
Median peak wait 1 min
scheduled, not actual
 0 min
scheduled, not actual
Electric vehicle share 0.8%
postcode 5091
 0.5%
postcode 5097
Rooftop solar per 100 dwellings 66
postcode 5091
 63
postcode 5097

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.

Tea Tree Gully St Agnes
Car (driver) 76.3% / 74.5%
Tea Tree Gully — Car (driver): 76.3% St Agnes — Car (driver): 74.5%
Worked from Home 9.9% / 11.4%
Tea Tree Gully — Worked from Home: 9.9% St Agnes — Worked from Home: 11.4%
Bus 8.0% / 8.4%
Tea Tree Gully — Bus: 8.0% St Agnes — Bus: 8.4%
Car (passenger) 4.2% / 3.3%
Tea Tree Gully — Car (passenger): 4.2% St Agnes — Car (passenger): 3.3%
Walked Only 0.9% / 1.6%
Tea Tree Gully — Walked Only: 0.9% St Agnes — Walked Only: 1.6%

Bars are drawn against the largest share shown (76.3%).

Setting

Tea Tree Gully St Agnes
Elevation 271 m
above sea level, at the suburb centre
 156 m
above sea level, at the suburb centre
Distance to the ocean 16.3 km 14.4 km

NBN connectivity

Tea Tree Gully St Agnes
Connectivity score 75/100 76/100
Most common technology Hybrid fibre-coaxial
same for both
Full-fibre (FTTP) share 3%
1,574 premises
 5%
1,971 premises

Climate

Tea Tree Gully St Agnes
Annual rainfall 404 mm
same for both
Summer max (Jan) 30.4°C
same for both
Winter min (Jul) 6.5°C
same for both

Air quality (annual mean)

Tea Tree Gully St Agnes
PM2.5 —
same for both
PM10 —
same for both
NO₂ 0.51 pphm
same for both

Council rates

Tea Tree Gully St Agnes
Average residential rate $2,000/yr
same for both
Council Tea Tree Gully
same for both

Federal electorate

Tea Tree Gully St Agnes
Division Makin
same for both
Member Tony Zappia
same for both
Party Australian Labor Party
same for both

First Home Owner Grant

Tea Tree Gully St Agnes
Grant amount $15,000
same for both
Property price cap —
same for both
Eligibility New
same for both

Tags

Tea Tree Gully

Large Blocks Middle-Ring Parks Quiet

St Agnes

Large Blocks Middle-Ring Parks Quiet

More comparisons

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Other comparisons with St Agnes

St Agnes vs Hope Valley St Agnes vs Modbury St Agnes vs Ridgehaven St Agnes vs Vista
Full data on Tea Tree Gully Full data on St Agnes
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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.

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