Sumner is in Brisbane LGA, QLD, postcode 4074, with population 603.
The page has enough signal to be useful, but the story is mixed rather than decisive. Use compare mode to pressure-test it against stronger nearby options, then use the calculator if it still makes the shortlist.
Higher SEIFA context supports a stronger local-quality read.
Gross yield looks low for an income-first use case. Small local population makes the signal set more fragile.
Indicative cashflow is interest-only and excludes tax — use the calculator for a full projection. Turnover divides recorded sales by an estimated household count (population over average household size).
70% of homes here are owner-occupied and 30% rented, with 8% of landlords negatively geared.
A balanced 70% owner-occupier / 30% renter mix.
ABS Census 2021 tenure (G37), ATO postcode rental statistics, and QuickProperty's investor-exposure index. Owner-occupied = owned outright + with a mortgage.
New-loan repayment $4,503/mo vs median rent $1,928/mo (+134% · +$594/wk)
At 4.2%: $3,595/mo (-908) · at 6.2% (current): $4,503/mo · at 8.2%: $5,497/mo (+995)
Assumes a 20% deposit and a 30-year principal-and-interest loan at the current RBA new owner-occupier variable rate, against median weekly household income (ABS Census 2021). Stress bands follow the 30% / 45%-of-income thresholds used in ANZ-CoreLogic and AIHW reporting. Rent vs buy compares that repayment with the suburb's median advertised rent; it excludes rates, insurance, maintenance and deposit opportunity cost.
Alternatives are similar-priced suburbs (0.7–1.4x this suburb's median) in other council areas that exceed it on the named metric. Indicative — not financial advice.
This suburb 7.8x · QLD median 9.6x — more affordable than the QLD typical
Nationally · more affordable to buy than 75% of AU suburbs
This suburb 20% · QLD median 19%
Nationally · lighter rent burden than 45% of AU suburbs
Owners with a mortgage repay a median of $1,800/mo, while renters pay about $1,928/mo — renting runs $128/mo higher on these medians.
Serviceability line: a household needs about $3,464/wk to hold a new loan on the median house at 30% of income (20% deposit, 30-year P&I, current RBA rate).
At the median asking rent, about 29% of households here would spend more than 30% of income on rent (rent stress line: $1,483/wk income).
Getting to work: 67% drive, 4% public transport, 0% walk or cycle, 22% worked from home (2021 Census, taken during COVID-era work-from-home arrangements).
Top 97% most liveable of 4,565Australian suburbs.
Bar = this suburb's percentile · tick = typical (median) peer
Suburb-level access-density index (not an address-level walk-time score), normalised within Australian suburbs. Method based on the Urban Liveability Index (Higgs et al. 2019) and Walk Score — three equal-weighted domains combined with an imbalance penalty.
Building due diligence
The National Construction Code is the baseline. Local hazards and site classifications can change the required structure, materials, fixings, insulation and detailing.
About 43.2% of the suburb intersects mapped bushfire-prone land.
May affect: External construction · Roof and wall systems · Openings, screens and decks
Confirm the NCC climate zone used for the building design and energy provisions.
May affect: Insulation and glazing · Condensation control · Roof-space ventilation
A suburb layer cannot determine the site wind classification or Bushfire Attack Level.
May affect: Structure and tie-downs · Cladding and fixings · Openings and bushfire detailing
Confirm marine or corrosive exposure and the applicable termite-management requirements.
May affect: Fasteners and connectors · Roofing and coatings · Termite management
This screen identifies investigation triggers, not building quality or property compliance. Confirm the address, design and current jurisdiction rules with the council, building surveyor or certifier, designer and engineer.
NCC 2022 Housing Provisions: how to use · NCC 2022 Volume Two and Housing Provisions
Estimated exposure to NSW RFS Bush Fire Prone Land (CC BY), point-sampled across the suburb. This shows how much of the suburb sits within the official hazard layer — it is not a Bushfire Attack Level (BAL) rating or a property-level assessment. Obtain a BAL assessment (AS 3959) for an individual property.
Active Airbnb listings point-mapped to this suburb from Inside Airbnb (CC BY 4.0). Occupancy and revenue are estimates from Inside Airbnb's San Francisco model (review-rate proxy, minimum-stay assumption, occupancy capped at 70%) — they are gross, indicative, and not a guarantee of returns. Short-stay letting is subject to state and local regulation.
Land-use mix estimated by point-sampling the suburb against Queensland council planning-scheme zone polygons (CC BY 4.0). This is a suburb-level snapshot of planning zones, not a parcel-level zoning certificate or development advice. Check the relevant planning scheme for an individual property.
ABS population projection (2022 base) for the Darra - Sumner SA2 statistical area — the finest official projection grain available; suburb-level projections do not exist.
Sumner (postcode 4074) is a small community in Queensland within the Brisbane local government area. It is home to about 603 residents, with a mix of young professionals and families and a median age of 32. Households earn a median income of $118K per year, with an average household size of 2.9 people. Recent annual estimates show population movement into the broader catchment, with population growth running at +1.6% year-on-year at the LGA level. QLD employment has moved +1.5% year-on-year in the official ABS Labour Force trend series, which provides the broader jobs backdrop for this suburb. QLD also had 35 Commonwealth-backed major projects under construction, 16 underway, and 30 in planning as at 2025-09-01, which is useful as a broader delivery backdrop rather than a suburb-specific project count. The most common occupations are professionals, managers, clerical & administrative. Employment in the area leans toward healthcare and education. The top ancestries reported are Australian, English, Irish.
Median house prices in Sumner sit at $919,000, little changed on a year ago. The median weekly rent is $445 (Census 2021). This gives a gross rental yield of approximately 2.5%. The median monthly mortgage repayment is $1,800.
Public transport access includes 3 bus stops. The crime rate in the Brisbane LGA is moderate at 6,299 incidents per 100,000 population.
Looking at the investment signals, Sumner shows a gross rental yield of approximately 2.5%, rated as low yield. Property prices are near the state median ($919K/$1.1M). The price-to-income ratio of 7.8x is considered moderate. House prices have moved +0.0% year-on-year. Population growth of +1.6% year-on-year points to stable demand fundamentals. Building approvals have changed +0% year-on-year, indicating steady development activity.
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Sumner has enough direct local evidence for a first-pass decision.
QuickProperty mixes release files, Census baselines, and matched local services on this page. Read the status panel before treating every metric as equally fresh.
QVAS residential dwelling sales aggregated to SA2 and mapped to suburb pages
This gives you directional coverage, but it is weaker than a current rent release.
Schools, transport, and hospitals are useful as presence signals, but they still have different source cadences.
Sumner is in the Brisbane Local Government Area, QLD, postcode 4074. Council-level context for Brisbane LGA (suburb mix, population, rent, and price coverage) is available on the QuickProperty LGA page.
The current median house price in Sumner, QLD is $919K, based on the latest available sales data from state Valuers General offices and ABS Data by Region.
The median weekly rent in Sumner is $445/wk, based on ABS Census 2021 rent fallback.
QuickProperty's investment signals for Sumner show: Low Yield, Near Median, Moderate. These are computed from price, rent, income, and population data — not an opaque score.
Property prices come from state Valuers General offices and ABS Data by Region. Demographics are from ABS Census 2021. School ICSEA scores are from ACARA. Crime statistics are from state police agencies. Transport data is sourced from GTFS feeds.
Property prices update quarterly. RBA macro indicators update with each deploy. Demographics are from Census 2021. School ICSEA scores are from ACARA 2025.