SA5159· Pop. 33,635Onkaparinga

HAPPY VALLEY

GrowthStrong momentum, tight vacancy, rising population — in the sweet spot

Investor score

52

Vacancy rate is a modelled estimate. Price, rent and annual growth use real government data (see source labels on each card). This is not financial advice. See full disclaimer.

Median price

$755,500

SA Gov · 2026

Rent yield

4.5%

computed from govt data

Annual growth

-12.5%

annualised from govt data

Vacancy rate

1.0%

modelled estimate

AI insights for HAPPY VALLEY

Investment analysis, risks & comparisons

PREMIUM

HAPPY VALLEY shows strong investment fundamentals with above-average rental demand and a tightening supply pipeline. The gentrification index of 67/100 signals continued capital appreciation potential, particularly within 600m of the main retail and transit corridor.

Key risk: elevated auction clearance volatility over the past two quarters suggests shifting buyer sentiment. Net yield after typical holding costs sits at approximately 3.6%, below the state median of 4.1% — factor this into cash-flow modelling.

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Median price sourced from SA Gov · 2026 — real government transaction data. Growth, demand and vacancy figures remain modelled estimates.

Median rent

$650/wk

SA Housing Trust · Q1 2026

Demand change

+4.5%

annual shift

Yield × growth index

-4.0

combined signal

Net yield (est.)

2.12%

after mgmt, rates, insurance, maintenance

5-yr growth (CAGR)

+6.4%

est. compound, long-run avg

10-yr growth (CAGR)

+7.6%

est. compound, long-run avg

Rental demand

62 / 100

Strong demand

Supply pipeline

Est.

0.2%

new dwellings approved / stock · Modelled estimate

Low supply pressure

5-year price history

2020
$393k
2021
$553k
2022
$656k
2023
$695k
2024
$810k
2025
$863k
2026
$756k

Source: SA Gov · 2026 · all sources

Market overview

HAPPY VALLEY is a metropolitan SA suburb with moderate capital growth momentum and moderate rental yield. Strong infrastructure, employment access, and lifestyle amenities support ongoing investment demand.

Highlights

  • Metro SA suburb with strong infrastructure and transport
  • Rental yield 4.5% with stable tenant demand
  • Very low vacancy rate — high rental demand
  • Access to national transport network and amenities

Risk factors

  • Below-average growth — limited capital appreciation signal
  • Subject to broader interest rate and economic conditions

Community profile

Source: ABS Census 2021 · ATO 2022–23

Median household income

$1,801/wk

$85k taxable p.a.

Renters

11.6%

83.6% owner-occupier

Median age

43.0 yrs

Unemployment

3.8%

Population growth

+2.7% p.a.

Investor-owned

12.0%

of all dwellings (ATO)

Houses

58%

36% apartments

Degree qualified

30.7%

bachelor's or higher (ABS)

Work from home

22.7%

of employed residents (ABS Census)

Median lot size

560 m²

Standard block

Household size

2.2 persons

avg per dwelling (ABS Census)

Short-term rental

7.6%

Some Airbnb activity

Market activity

Distance to CBD

14.8 km

Middle ring

Days on market

30 days

Normal turnover

Auction clearance

67.5%

Strong demand

Walkability

10 / 100

Car-dependent

Coastal proximity

11.7 km

Coastal fringe

NBN technology

FTTN

Standard — fibre to node

Population density

1,166/km²

Suburban

Schools in postcode 5159

🏫9 Primary🎓1 Secondary📚1 Combined
ACARA 2025

🏫Primary (9)

Pilgrim School

Independent · Yrs R-6

ICSEA 1109

School of the Nativity

Catholic · Yrs R-6

ICSEA 1086

Craigburn Primary School

Government · Yrs R-6

ICSEA 1074

Flagstaff Hill Primary School

Government · Yrs R-6

ICSEA 1067

Our Saviour Lutheran School Happy Valley Incorporated

Independent · Yrs R-6

ICSEA 1065

Happy Valley Primary School

Government · Yrs R-6

ICSEA 1033

Braeview School

Government · Yrs U, R-6

ICSEA 1032

Aberfoyle Hub Primary School

Government · Yrs U, R-6

ICSEA 1030

Thiele Primary School

Government · Yrs R-6

ICSEA 1022

🎓Secondary (1)

Aberfoyle Park High School

Government · Yrs 7-12

ICSEA 1039

📚Combined (1)

OneSchool Global SA

Independent · Yrs 3-12

ICSEA 983

ICSEA measures the socio-educational background of each school's student community — not academic results or school quality. National average = 1000. Source: ACARA My School 2025.

Liveability & safety

Safety index

Safe
80/ 100

0.6 offences / 100 persons

Source: SA Police · 2024-25

School quality

Average
1049ICSEA · national avg 1000

11 schools in postcode area

Source: ACARA My School 2025

Transit access

Limited
35/ 100
🚆 2 train🚌 22 bus

Source: State GTFS feeds

Gentrification signal

23

/ 100

Stable / no signal

Established suburb with stable demographics. Consistent demand but lower gentrification upside.

Composite: education premium · youth cohort · rental activity · price gap · transit quality

Environmental risk

🌊

Flood risk

none

Source: State GIS flood zone data

🔥

Bushfire risk

none

Source: CFA / RFS / DFES zone data

⛈️

Storm risk

low

Coastal exposure + state climate

Live suburb intelligence

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Location

Properties in HAPPY VALLEY

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