QLD 4133 Census 2021 + Live DA Data

Chambers Flat

A 135.8% population increase over 10 years makes Chambers Flat one of southeast Queensland's fastest-expanding areas, yet its median house price of $423,000 sits well below the state capital average, attracting buyers priced out of Brisbane. The suburb spans 21.22 square kilometres with a density of just 128 residents per km2, and 89.2% of dwellings are separate houses, reflecting a land-rich outer-ring character. At a median age of 47, residents skew 7.0 years older than the national figure, and household incomes land at the 35th percentile nationally, signalling an affordable, working-family demographic rather than a high-income one.

Chambers Flat urban fabric map

Population

2,718

Median Age

47.0

Household IncomeiMedian weekly household income (ABS Census)

$1,356/wk

DAs (12 months)iDevelopment Applications lodged in the past year

317

Median House

$423K

Estimated from rent (2025)

21.22 km²· 128.1 people/km²· Family income $1,730/wk

The estimated median house price of $423,000 is materially lower than Brisbane metro medians, making Chambers Flat accessible to buyers stepping away from inner-ring competition. Monthly mortgage repayments average $1,950, and the mortgage-to-income ratio is 33.2%, above the 30% stress threshold. Separate houses account for 89.2% of stock, and 47.0% of dwellings have 4 or more bedrooms, a higher large-home share than most suburban averages, catering to families seeking space. Outright owners (40.8%) outnumber mortgage holders (33.8%), suggesting a proportion of long-term residents who have paid down debt, a sign of relative stability rather than speculative churn.

For Buyers

The estimated median house price of $423,000 is materially lower than Brisbane metro medians, making Chambers Flat accessible to buyers stepping away from inner-ring competition. Monthly mortgage repayments average $1,950, and the mortgage-to-income ratio is 33.2%, above the 30% stress threshold. Separate houses account for 89.2% of stock, and 47.0% of dwellings have 4 or more bedrooms, a higher large-home share than most suburban averages, catering to families seeking space. Outright owners (40.8%) outnumber mortgage holders (33.8%), suggesting a proportion of long-term residents who have paid down debt, a sign of relative stability rather than speculative churn.

For Investors

Rental demand is moderate: 25.4% of households rent, and weekly rent averages $270, a figure that has grown 38.2% over the observed period. The vacancy rate of 5.0% is above the 3% level typically considered balanced, so investors carry some leasing risk. Development activity is substantial, with 299 applications lodged in the past 12 months, mostly dwelling and secondary-dwelling approvals, signalling continued supply expansion. Net internal migration averaging 1,662 residents per year into the broader SA2 supports demand, though this oversupply of new builds means rental pricing power is limited compared to tighter markets.

Development Activity

Total DAs

411

Last 12 Months

317

YoY ChangeiYear-over-year change in DA lodgements

+956.7%

Avg DA CostiAverage estimated cost per DA in the past year

N/A

Monthly DA Lodgements

DA Categories

Garage / Carport / Shed
131
New Dwelling
84
Granny Flat / Secondary Dwelling
64
Other
12
Change of Use
11
Deck / Pergola / Patio
9
Subdivision
9
Renovation / Extension
5

Demographics

The median age of 47 sits 7.0 years above the national figure, and the senior share has moved only marginally (down 0.1 points), while working-age share fell 4.1 points over the decade, consistent with an aging but stable resident base. Overseas-born residents make up 24.3%, which is 2.7 points above national. Ancestry is strongly Anglo-Celtic: English (1,115), Scottish (280) and Irish (231) are the three largest groups. University qualifications reach 16.2% of residents, which is 13.9 points below the national figure, reflecting a trade and blue-collar occupational mix. Average household size is 2.7, marginally above national at 0.2 units, and 738 families are couples with children versus 694 couples without.

Age Distribution

0-14
14.8%
15-24
13.1%
25-44
18.6%
45-64
31.7%
65+
21.7%

Bedrooms

Studio/1br
11.8%
2 bed
21.4%
3 bed
19.8%
4+ bed
47.0%

Dwelling Structure

89.2%

Houses

N/A

Townhouse

0.3%

Apartment

Tenure

Own 40.8% Mortgage 33.8% Rent 25.4%

Owner-occupancy is the dominant tenure pattern: 40.8% own outright and 33.8% hold a mortgage, leaving only 25.4% renting, well below the national renter share. This ownership skew makes sense given the large-lot, detached-house character, where 89.2% of homes are separate dwellings and 47.0% carry 4 or more bedrooms. The median house price is estimated at $423,000 from rent data (2025), with weekly rent at $270 and monthly mortgage repayments around $1,950. Rent-to-income at 19.9% is below the stress threshold, so renters are not under pressure, while the 33.2% mortgage-to-income ratio places owner-buyers in mild stress territory, consistent with the 35th-percentile household income level.

Mortgage / mo

$1,950

Rent / wk

$270

HH Size

2.7

Personal Income / wk

$630

Vacancy Ratei% of dwellings unoccupied on Census night (ABS 2021)

5.0%

Unoccupied

49

Rent / IncomeiMedian rent as % of household income. Over 30% = housing stress

19.9%

Mortgage / IncomeiMedian mortgage as % of household income. Over 30% = housing stress

33.2% stressed

Community Profile

Languages Spoken at Home

Khmer
21
Arabic
18

Ancestry

English
1,115
Other
348
Scottish
280
Irish
231
Ancestry NS
205
German
151

Household Composition

32.8%

Couples, no children

2,113

Total families

Economy & Employment

Construction is the dominant industry at 16.2% of workers (102 people), above most suburb averages, consistent with the ongoing residential expansion in the area. Healthcare follows at 14.6% (92), Manufacturing at 10.3% (65) and Education at 9.4% (59). By occupation, Clerical and Admin workers (169) are the largest group, followed closely by Labourers (160) and Professionals (148), reflecting a mix of white-collar and trade employment. The unemployment rate is 6.0%, above the national average, and the participation rate is 50.8%, partly because 893 residents are not in the labour force. The IRSD decile of 3 confirms relative disadvantage compared to national distribution, while real incomes grew 19.8% over the decade.

Unemployment

4.9%

Labour Force

8,078

Unemployed

393

Quarterly Trend

Mar-24 Dec-25

Source: SALM Dec-25

Socio-Economic Indexes (SEIFA)iABS index ranking suburbs from 1 (most disadvantaged) to 10 (most advantaged)

Overall advantage
3
Disadvantage
3
Economic resources
6
Education & occupation
3

Full-time

65.6%

Part-time

28.4%

Participation

50.8%

Employed

1,104

Occupations

Clerical/Admin 169
Labourers 160
Professionals 148
Managers 143
Machinery/Drivers 138
Community/Personal 109
Sales 85

Top Industries

Construction 16.2%
Healthcare 14.6%
Manufacturing 10.3%
Education 9.4%
Retail 7.8%

University

16.2%

Postgraduate

1.5%

Born Overseas

24.3%

Dwellings

922

Transport to Work

Car dependence is near-total: 92.8% of residents drive to work and only 1.1% use public transport, lower than state and national averages and a practical constraint for households without a vehicle. No schools are recorded within the suburb boundary in this dataset, so families rely on neighbouring areas. The IRSAD decile of 3 places Chambers Flat in the lower advantage tier nationally, meaning access to services and economic resources is below median. The volunteering rate of 11.9% and 80.1% of residents remaining in the same dwelling over 5 years point to a settled, community-oriented population despite the rapid inflow of new residents. About 7.6% of residents (191 people) need daily assistance, above national averages.

Drive

92.8%

Public Transport

1.1%

Walk / Cycle

1.4%

Work from Home

N/A

Population Forecast

+4.54%/yr

(+766 people/yr)

High Growth

Few suburbs in southeast Queensland match Chambers Flat's 135.8% population growth over 10 years. Annual growth of 4.54% adds roughly 766 people per year to the broader SA2, driven almost entirely by internal migration averaging 1,662 net arrivals annually, with overseas migration contributing a smaller 84 per year. The SA2 population reached 16,875 in 2025 and medium forecasts project continued expansion to 18,575 by 2031. Rent growth of 38.2% over the period confirms strong demand pressure on the existing stock. The gentrification stage is classified as new development rather than gentrifying, meaning growth is supply-driven expansion into greenfield land rather than incumbent displacement.

Historical + Forecast

Hamilton-Perry + Holt smoothing on ERP 2001-2025

Age Cohort Forecast

Primary Driver

Internal Migration

Net Overseas / yr

+84

Net Internal / yr

+1,662

0

Gentrification Signal

New development

National Ranking iPercentile rank among ~15,000 AU suburbs. 90% = higher than 90% of suburbs

How Chambers Flat compares to ~15,000 Australian suburbs

Population
Top 18%
Household Income
Bottom 35%
Rent Level
Top 48%
Apartments
Bottom 4%
Renters
Top 37%
Uni Educated
Bottom 23%
Public Transport
Bottom 17%
Born Overseas
Top 21%
Density
Top 25%

Frequently Asked Questions

Is Chambers Flat a good suburb to live in?

Chambers Flat suits families and owner-occupiers who prioritise space and affordability. The $423,000 median house price is well below Brisbane metro averages, 89.2% of homes are separate houses, and 40.8% of residents own outright. Trade-offs include limited public transport (1.1% use it), a IRSAD decile of 3 placing it in the lower national advantage tier, and a 6.0% unemployment rate.

What is the median house price in Chambers Flat?

The median house price is estimated at $423,000 based on 2025 rent data. Weekly rent averages $270, and monthly mortgage repayments run about $1,950. The rent-to-income ratio is 19.9%, below the stress threshold, while the mortgage-to-income ratio of 33.2% is mildly above it.

What schools are in Chambers Flat?

No schools are recorded within the Chambers Flat suburb boundary in this dataset. Families rely on schools in neighbouring suburbs. Locally, university qualifications are held by 16.2% of residents, which is 13.9 points below the national figure, reflecting the area's trade and blue-collar workforce profile.

Is Chambers Flat safe?

Detailed crime statistics are not available for Chambers Flat in this dataset. As a context indicator, the suburb scores IRSD decile 3, placing it in the lower national tier for relative disadvantage, and 7.6% of residents (191 people) need daily assistance. The 80.1% five-year residential stability rate suggests an established, settled population.

Is Chambers Flat good for property investment?

Rent of $270 a week against a $423,000 median gives a gross yield near 3.3%, moderate by QLD standards. The vacancy rate of 5.0% is above the balanced threshold of 3%, and 299 development applications in 12 months signal continued new supply. Internal migration averaging 1,662 net arrivals per year into the SA2 supports long-term demand, but near-term oversupply limits rent growth.

How is Chambers Flat's population changing?

The broader SA2 grew 135.8% over 10 years, with the population reaching 16,875 in 2025 from 12,640 in 2023. Annual growth of 4.54% adds roughly 766 people per year, driven by internal migration averaging 1,662 net arrivals annually. Medium forecasts project the SA2 population reaching 18,575 by 2031.

How much development is happening in Chambers Flat?

There were 299 development applications lodged in the past 12 months, predominantly dwelling and secondary-dwelling approvals, reflecting active greenfield expansion. This is consistent with the new development gentrification classification and the 135.8% population growth over 10 years, as the suburb absorbs large volumes of new residential supply each year.

How to read these comparisons

Phrases like "above the national average" reference the unweighted median across Australian suburbs with more than 1,000 residents, not population-weighted national figures. Suburb-level medians are more useful for ranking suburbs against each other; ABS census headlines are population-weighted (so dominated by Sydney and Melbourne) and can read very differently.

Current baseline (refreshed 2026-05-10): median age 40, university-educated 30.1%, born overseas 21.6%, average household size 2.5 people.

Data sources: ABS 2021 Census (demographics, income, tenure), state Valuer-General (house prices), Department of Jobs SALM (unemployment), ACARA (school ICSEA), state Crime Statistics agencies (offences), council DA portals (development applications). Population forecasts use a Hamilton-Perry cohort model calibrated to ABS ERP.

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