--- title: "The Five Dimensions Behind the APN Bedrock™ Score" url: https://australianproperty.network/apn-codex/series-20000/series-24000/series-24100/series-24110/el2-five-dimensions-of-the-bedrock-score/ date: 2026-09-07 modified: 2026-10-10 lang: en author: "Nicklas Clark" description: "APN Codex · Node 24110 Distillation APN Bedrock™ · APN Social Capital Index™ (24100) EL2 — Foundational The Five Dimensions Behind the APN Bedrock™ Score A composite measure of a..." word_count: 809 --- # The Five Dimensions Behind the APN Bedrock™ Score APN Codex · Node 24110 Distillation APN Bedrock™ · APN Social Capital Index™ (24100) EL2 — Foundational ### The Five Dimensions Behind the APN Bedrock™ Score A composite measure of a suburb's underlying economic resilience, built from five independently scored components and placed on one national scale across 6,782 localities. \g6,782 \g49.86 \g0.53 – 97.00 Data vintage2021 Census [EL1 · Plain English](https://australianproperty.network/apn-codex/series-20000/series-24000/series-24100/series-24110/el1-where-communities-hold/) [EL2 · Foundational](https://australianproperty.network/apn-codex/series-20000/series-24000/series-24100/series-24110/el2-five-dimensions-of-the-bedrock-score/) [EL3 · Practitioner](https://australianproperty.network/apn-codex/series-20000/series-24000/series-24100/series-24110/el3-reading-bedrock-in-practice/) [EL4 · Advanced Practitioner](https://australianproperty.network/apn-codex/series-20000/series-24000/series-24100/series-24110/el4-bedrock-architecture-and-limitations/) 1A different analytical lensProperty markets are routinely assessed through price, a metric that measures the outcome of transactions but says little about the structural durability of the communities producing them. The APN Bedrock™ Score introduces a different lens: a composite measure of a suburb's underlying economic resilience, derived from institutional data and scored on a consistent national scale. The index produces a single composite reading from 0.00 to 100.00 for each of 6,782 localities across every state and territory. It does not predict price movements. It assesses structural capacity: the ability of a community to absorb economic pressure and maintain its foundational characteristics over time. Localities scored\g6,782\gNational mean\g49.86\gStandard deviation\g20.43\g\g0.53\gWoorabinda QLD\g97.00\gWindera NSW 2The five dimensions of APN Bedrock™The composite is the equal-weighted mean of five components, each independently scored and drawn from publicly available institutional datasets. A locality needs at least three valid components to receive a score. | Component | Dimension | What it measures | Primary source | | --------- | --------- | ---------------- | -------------- | | [24111](https://australianproperty.network/apn-codex/series-20000/series-24000/series-24100/series-24110/series-24111/) | Income Velocity & Wealth | Median total household income, annualised | ABS Census 2021 | | [24112](https://australianproperty.network/apn-codex/series-20000/series-24000/series-24100/series-24110/series-24112/) | Tenure Stability & Housing | Share of occupied private dwellings owned outright or with a mortgage | ABS Census 2021 | | [24113](https://australianproperty.network/apn-codex/series-20000/series-24000/series-24100/series-24110/series-24113/) | Labour Resilience & Jobs | Unemployment rate, persons | ABS Census 2021 | | [24114](https://australianproperty.network/apn-codex/series-20000/series-24000/series-24100/series-24110/series-24114/) | Fiscal Stress & Debt | Median mortgage repayment as a share of median household income (no reading where no dwelling is mortgaged) | ABS Census 2021 | | [24115](https://australianproperty.network/apn-codex/series-20000/series-24000/series-24100/series-24110/series-24115/) | Socio-Economic Advantage | ABS Index of Relative Socio-economic Advantage and Disadvantage (IRSAD) | ABS SEIFA 2021 | Each component is independently meaningful. A suburb can score highly on income but poorly on home ownership, as renter-dominated inner-city precincts often do; another can combine high ownership with a heavy mortgage repayment burden. The composite captures all five at once. 3Reading the index: three case studiesThe following three suburbs illustrate how the score reflects meaningfully different structural positions across the national distribution. Component readings are shown beneath each composite. Barden Ridge NSWPostcode 2234 · Sydney – Sutherland90.78Composite97.8Income95.7Tenure83.5Labour83.9Stress93.0SEIFAStrong across all five dimensions: household income in the top 3% of localities, more than nine in ten dwellings owned outright or with a mortgage, unemployment of 2.6%, and mortgage repayments taking 19.5% of household income, a lighter burden than in 84% of localities. Abbotsbury NSWPostcode 2176 · Sydney – South West84.32Composite93.4Income84.4Tenure79.5Labour83.6Stress80.7SEIFAUpper tier on every dimension: household income in the top 7%, 87% of dwellings owner-occupied, unemployment of 2.9% and repayments of 19.5% of income. A socio-economic advantage reading of 80.7 places it a step below the top tier. Salisbury North SAPostcode 5108 · Adelaide – North16.48Composite12.1Income16.8Tenure5.1Labour45.6Stress2.8SEIFALow on four of the five dimensions: unemployment of 10.4%, household income in the bottom eighth, 58% of dwellings owner-occupied, and a socio-economic advantage reading in the bottom 3% nationally. Its repayment burden, 24.4% of income, is close to the national middle. The same interest-rate environment produces materially different outcomes depending on the structural foundation beneath it. The APN Bedrock™ Score makes that distinction visible. 4The national distributionThe four score bands used on the map divide the 6,782 localities as follows. 75 – 100Strong foundationEstablished community, owner-occupier dominated, financially resilient households.799 localities50 – 74Solid groundGenerally stable with some areas of pressure. Mixed tenure and income profile.2,680 localities25 – 49ExposedHigher financial stress and mobility. Less buffer against economic shocks.2,413 localities0 – 24Structurally constrainedSignificant economic disadvantage. Limited community stability.890 localities 5The practical utility of the scoreFor property buyers and investors, the score provides a baseline assessment that is independent of the transactional market. It answers the question that median price data cannot: is the community behind this property structurally positioned to hold its value over time? A suburb with a high score is not immune to price corrections; no location is. But a high score indicates that the community has the structural depth to recover: the incomes to service debt, the labour market to sustain employment, and the residential stability to maintain the social fabric that underpins long-term desirability. A suburb with a low score is not necessarily a poor investment; risk and return are related. But a low score should prompt additional analysis. It indicates thinner buffers, higher sensitivity to external shocks, and a population with less capacity to absorb sustained pressure without demographic change. Data vintageAll scores are derived from the 2021 ABS Census and the 2021 ABS SEIFA release, and describe structural conditions as measured at that point. They are a structural baseline, not a reading of current market conditions. A rebuild on 2026 Census data is planned as the ABS small-area releases become available through 2027. [Open the interactive map →](https://australianproperty.network/apn-codex/series-20000/series-24000/series-24100/series-24110/map/)[24110 — APN Bedrock™ node page →](https://australianproperty.network/apn-codex/series-20000/series-24000/series-24100/series-24110/) [Node page24110 — APN Bedrock™ (Socio-Economic Position)](https://australianproperty.network/apn-codex/series-20000/series-24000/series-24100/series-24110/)[Parent index24100 — APN Social Capital Index™](https://australianproperty.network/apn-codex/series-20000/series-24000/series-24100/)[Next tier →EL3 · Practitioner: Reading the APN Bedrock™ Score in Practice](https://australianproperty.network/apn-codex/series-20000/series-24000/series-24100/series-24110/el3-reading-bedrock-in-practice/)