SA · Norwood Payneham and St Peters Council
Trinity Gardens, SA, 5068
Current weather
11.3°CThunderstorm
87% humidity · 20.3 km/h wind · 13° / 10.3° today · 27.9 mm rain
Desirability index
46.8/100
How this score is calculated#176 among Metro Adelaide suburbs
Suburb snapshot
Trinity Gardens is a small locality in the Norwood Payneham and St Peters area, home to around 1,264 residents (2021 Census). Recent indicators show reported crime totals of around 85 offences in 2024–25 (Jul–Jun), roughly 67.2 offences per 1,000 residents, median weekly rent around $702 (flats $572, houses $778), median house prices near $1,606,300 (down 3% recently), 3 school and preschool sites in the area, 5 public transport stops within the suburb, a solid spread of nearby amenities and everyday services, and notable planning and development activity on record. Use the sections below for detailed population, safety, schools, and local activity data.
Population
- Population
- 1,264
- Median age
- 40
- Median household income / week
- $2,006
- Dwelling vacancy
- 6%
- Unoccupied private dwellings
- 31 of 516
- Median monthly mortgage
- $2,184
- Employment rate
- 68.1%
- Dwelling mix (houses / semi / flats)
- 24 / 62 / 49
Data sources & freshness
- 2021 Census — General Community Profile — Australian Bureau of Statistics · Period: 2021 · Updated on site · 2021 Census release
The 2026 Census runs in August 2026; suburb-level updates are expected from mid-2027.
Housing
- Flats / units (01/01/26 to 31/03/26)
- $572.5
- Houses (01/01/26 to 31/03/26)
- $777.5
- All types (01/01/26 to 31/03/26)
- $702.5
- Rental bonds lodged (01/01/26 to 31/03/26)
- 10
- Median house price (Q1 2026)
- $1,606,300
- Median price change
- -2.6%
Median weekly rent from SA Housing Authority rental bond data. Figures can be unreliable where few bonds were lodged in the quarter.
Data sources & freshness
- SA Housing Authority rent & sales reports — Government of South Australia · Period: 1 January - 31 March 2026; 1Q 2026 · Updated on site · Quarterly releases
Crime & safety
- Total offences (2024–25)
- 85
- Against the person
- 3
- Against property
- 82
- Rate per 1,000 residents
- 67.2
- Person-crime prevalence
- About 1 in 421 residents
- State safety percentile
- 74.8th (lower crime is better)
- Family & domestic abuse offences
- 39
- Year-on-year change
- 0%
Most common offence types
- Other Property Damage And Environmental7
- Other Theft36
- Sct - Residence8
- Theft From Motor Vehicle5
- Theft From Shop10
Data sources & freshness
- SAPOL reported crime statistics — South Australia Police — OpenData · Period: 2024-25; 2024-25 → 2024-25 · Updated on site · Financial-year releases
Schools & preschools
- Schools & preschools
- 3 (2 schools, 1 preschools)
- Median school ICSEA
- 1,103
- Disability Unit St Morris160 Portrush RoadSpecialist Facilities
- Trinity Gardens Children's Centre160 Portrush RoadIntegrated Centres
- Trinity Gardens SchoolPrimary · ICSEA 1103
Data sources & freshness
- Government education sites register — Government of South Australia · Period: current · Updated on site · Static register
- School ICSEA (ACARA) — Australian Curriculum, Assessment and Reporting Authority · Period: 2025 · Updated on site · Annual ACARA release
Public transport
5 public transport stops in this suburb
- Stop 10 Magill Rd - North side
- Stop 143 Portrush Rd - East side
- Stop 8A Portrush Rd - East side
- Stop 9 Magill Rd - North side
- Stop 9 Portrush Rd / Jones Ave - East side
Data sources & freshness
- Adelaide Metro GTFS stops — Department for Infrastructure and Transport (SA) · Period: current · Updated on site · GTFS static feed
Planning & development
Development applications from PlanSA register (lodged 2020–2026) and EPA licensed activities.
118 planning-related records
2026· 13 proposals
June 2026
- front fence and sliding gate7 LECHFIELD CR TRINITY GARDENS SA 5068Under Assessment
May 2026
- Ancillary accommodation and alterations to existing dwelling5 HEREFORD AV TRINITY GARDENS SA 5068Under Assessment
- Carport61 CANTERBURY AV TRINITY GARDENS SA 5068Decision Made
- Construction of an LED billboard sign (above existing pylon sign) and partial change of use to include third-party advertising164 -168 PORTRUSH RD TRINITY GARDENS SA 5068Under Assessment
- Two Semi-detached Dwellings and associated fencing44 AVONMORE AV TRINITY GARDENS SA 5068Under Assessment
April 2026
- Partial demolition and expansion of existing garage Extension of existing verandah18 AMHERST AV TRINITY GARDENS SA 5068Under Assessment
- Proposed Alteration & Addition152 ASHBROOK AV TRINITY GARDENS SA 5068Under Assessment
March 2026
- The removal of a Significant Tree (Eucalyptus Sideroxylon) in Council Reserve24 -32 AVONMORE AV TRINITY GARDENS SA 5068Decision Made
- Concrete Swimming pool55 CANTERBURY AV TRINITY GARDENS SA 5068Decision Made
February 2026
- Ancillary accommodation and alterations to the existing garage18 HEREFORD AV TRINITY GARDENS SA 5068Decision Made
- removal of two regulated trees6 AMHERST AV TRINITY GARDENS SA 5068Decision Made
- Outbuilding (shed)54 AVELAND AV TRINITY GARDENS SA 5068Decision Made
January 2026
- verandah18 AMHERST AV TRINITY GARDENS SA 5068Decision Made
2025· 18 proposals
December 2025
- In-ground swimming pool & associated safety features40 AVONMORE AV TRINITY GARDENS SA 5068Under Assessment
October 2025
- Removal of a significant tree5 CANTERBURY AV TRINITY GARDENS SA 5068Decision Made
- Two-storey dwelling addition, including partial demolition of existing dwelling, internal alterations and construction of a carport5 LECHFIELD CR TRINITY GARDENS SA 5068Under Assessment
August 2025
- Boundary realignment reflecting existing fence line4 AVELAND AV TRINITY GARDENS SA 5068;6 AVELAND AV TRINITY GARDENS SA 5068Decision Made
- masonry front fence10 HEREFORD AV TRINITY GARDENS SA 5068Decision Made
July 2025
- Dwelling alterations, deck & verandah with attached screening, replacement front verandah, ancillary accommodation building and retrospective removal of a regulated SA Blue Gum tree (Eucalyptus leucoxylon)61 CANTERBURY AV TRINITY GARDENS SA 5068Under Assessment
June 2025
- Carport63 ANNESLEY AV TRINITY GARDENS SA 5068Decision Made
May 2025
- Construction of a single-storey detached dwelling and removal of a regulated tree101 ASHBROOK AV TRINITY GARDENS SA 5068Decision Made
- Construction of a single storey detached dwelling with a masonry front fence and swimming pool with associated pump room and safety fencing9 AVELAND AV TRINITY GARDENS SA 5068Decision Made
- Removal of one (1) regulated tree116B ASHBROOK AV TRINITY GARDENS SA 5068Decision Made
- Construction of a pair of two-storey semi-detached dwellings10 AMHERST AV TRINITY GARDENS SA 5068Under Assessment
April 2025
- Building alteration (removal of entry structure) with new signage comprising seven (7) signs attached to a building, one (1) sign attached to internal fencing, one (1) freestanding directional sign and one (1) illuminated freestanding pylon sign1 ALBERMARLE AV TRINITY GARDENS SA 5068;190 PORTRUSH RD TRINITY GARDENS SA 5068;21 AMHERST AV TRINITY GARDENS SA 5068;27 AMHERST AV TRINITY GARDENS SA 5068Under Assessment
- Concrete swimming pool61 CANTERBURY AV TRINITY GARDENS SA 5068Decision Made
March 2025
- Verandah50 ANNESLEY AV TRINITY GARDENS SA 5068Decision Made
- Variation to development authorisation 24014593 comprising a reduction in the front setback by 1 metre43 AVONMORE AV TRINITY GARDENS SA 5068Decision Made
February 2025
- In-ground swimming pool and associated safety features64 CANTERBURY AV TRINITY GARDENS SA 5068Decision Made
- Change of use of building approved as part of Development Application 24015848 to a 24/7 fitness centre with associated signage and the construction of a mezzanine level164 PORTRUSH RD TRINITY GARDENS SA 5068;166 PORTRUSH RD TRINITY GARDENS SA 5068;UNIT 1-4 168 PORTRUSH RD TRINITY GARDENS SA 5068Decision Made
January 2025
- Upgrade of building façade, internal building alterations, and construction of new canopies/verandahs1 ALBERMARLE AV TRINITY GARDENS SA 5068;190 PORTRUSH RD TRINITY GARDENS SA 5068;21 AMHERST AV TRINITY GARDENS SA 5068;27 AMHERST AV TRINITY GARDENS SA 5068Decision Made
2024· 20 proposals
December 2024
- Outbuilding35 AVELAND AV TRINITY GARDENS SA 5068Under Assessment
- Removal of one (1) regulated tree and one (1) significant tree55 CANTERBURY AV TRINITY GARDENS SA 5068Decision Made
- dwelling additions41A AMHERST AV TRINITY GARDENS SA 5068Decision Made
November 2024
- Two-storey detached dwelling28 HEREFORD AV TRINITY GARDENS SA 5068Decision Made
October 2024
- Swimming pool and associated safety features47 HEREFORD AV TRINITY GARDENS SA 5068Decision Made
- Variation to Development Authorisation 23021334 comprising changes to approved signs and the addition of a new sign45 -47 AMHERST AV TRINITY GARDENS SA 5068Under Assessment
- Dwelling additions, carport, outbuilding (shed), swimming pool and pool house (ancillary accommodation)59 HEREFORD AV TRINITY GARDENS SA 5068Decision Made
August 2024
- Replacement pylon signs (illuminated)257 MAGILL RD TRINITY GARDENS SA 5068Decision Made
- Two storey detached dwelling and the removal of two (2) significant trees50 CANTERBURY AV TRINITY GARDENS SA 5068Under Assessment
2023· 17 proposals
17 proposals lodged in 2023. Individual listings are kept for the most recent proposals.
2022· 27 proposals
27 proposals lodged in 2022. Individual listings are kept for the most recent proposals.
2021· 22 proposals
22 proposals lodged in 2021. Individual listings are kept for the most recent proposals.
Data sources & freshness
- PlanSA development applications & EPA licences — Government of South Australia — PlanSA · Period: 2020–2026; 2021; 2022… · Updated on site
Amenities
19 nearby amenities within ~1.5 km
- Bbq
- Bicycle Parking (2)
- Stop 10 Magill Road - North West sideBus stop
- Stop 143 Portrush Road - East sideBus stop
- Stop 8A Portrush Road - East sideBus stop
- Stop 9 Magill Road - North West sideBus stop
- Stop 9 Portrush Road - East sideBus stop
- Artisian Affair CafeCafe
- CastleCar
- Drinking water
Names and addresses from OpenStreetMap. Unnamed venues show as their type (e.g. Cafe).
Data sources & freshness
- OpenStreetMap amenities — OpenStreetMap contributors · Period: current · Updated on site · Weekly refresh
Socio-economic (SEIFA)
- IRSAD decile (2021)
- 9/10
- IRSD decile (2021)
- 8/10
SEIFA indexes from ABS 2021. Decile 10 = most advantaged / least disadvantaged in Australia.
Data sources & freshness
- SEIFA 2021 (IRSAD / IRSD) — Australian Bureau of Statistics · Period: 2021 · Updated on site · 2021 SEIFA release
Heritage
6 state heritage places
- Heritage placeState heritage
- Heritage placeState heritage
- Heritage placeState heritage
- Heritage placeState heritage
- Heritage placeState heritage
- Heritage placeState heritage
Data sources & freshness
- SA Heritage Places database — Department for Environment and Water (SA) · Period: current · Updated on site
Green cover
- Parks & woodland (OSM)
- 1
- Parks (OSM)
- 1
OpenStreetMap parks and natural woodland features mapped within the suburb boundary.
Data sources & freshness
- OpenStreetMap green cover features — OpenStreetMap contributors · Period: current · Updated on site · Weekly refresh
Desirability index
- Desirability score
- 46.8/100
- Cohort rank
- #176 among Metro Adelaide suburbs
Data sources & freshness
- Suburb Guide desirability index — Suburb Guide (derived score) · Period: current · Updated on site · Derived from source metrics
Recent changes
- Heritage placeheritageState heritage
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- Ancillary accommodation and alterations to existing dwellingplanning5 HEREFORD AV TRINITY GARDENS SA 5068Lodged 29 May 2026 · Under Assessment
- Ancillary accommodation and alterations to the existing garageplanning18 HEREFORD AV TRINITY GARDENS SA 5068Lodged 24 Feb 2026 · Decision Made
- Boundary realignment reflecting existing fence lineplanning4 AVELAND AV TRINITY GARDENS SA 5068;6 AVELAND AV TRINITY GARDENS SA 5068Lodged 12 Aug 2025 · Decision Made
- Building alteration (removal of entry structure) with new signage comprising seven (7) signs attached to a building, one (1) sign attached to internal fencing, one (1) freestanding directional sign and one (1) illuminated freestanding pylon signplanning1 ALBERMARLE AV TRINITY GARDENS SA 5068;190 PORTRUSH RD TRINITY GARDENS SA 5068;21 AMHERST AV TRINITY GARDENS SA 5068;27 AMHERST AV TRINITY GARDENS SA 5068Lodged 29 Apr 2025 · Under Assessment
Data sources & freshness
- SA Heritage Places database — Department for Environment and Water (SA) · Updated on site
- PlanSA development applications & EPA licences — Government of South Australia — PlanSA · Updated on site
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