Girrawheen is a northern suburb of Perth sitting approximately 15 kilometres from the CBD, governed by the City of Wanneroo. Its SEIFA IRSAD score of 906 places it in decile 2 of 10 nationally and at the 11th percentile within Western Australia, firmly in the disadvantaged band. That reading reflects a postcode where household incomes run below the state average and where a meaningful share of dwellings have historically been social housing stock. Investors need to hold that context clearly before assessing any individual listing here.
ABS 2021 IRSAD release. Score 906 (national mean = 1000).
A SEIFA IRSAD score of 906, against a national mean of 1000, is a significant gap. In PropertyRanker's twelve-signal model, this reading directly shapes three criteria: economic_strength, hazard_risk, and entry_point_risk. On economic_strength, the score signals a local income base that is constrained, which historically correlates with softer discretionary demand and slower organic rent growth. On entry_point_risk, a decile 2 reading can cut both ways: lower-income postcodes often carry lower entry prices, which compresses the capital at risk on a single asset, but they also tend to attract a narrower buyer pool at resale, which can extend days on market during downturns. On hazard_risk, SEIFA is used as a macro proxy for neighbourhood-level stress indicators; a score this far below the mean warrants closer inspection of vacancy trends and tenant turnover at the street level.
Girrawheen's housing stock is predominantly detached dwellings on reasonably sized blocks, much of it built under the State Housing Commission era from the early 1970s onward. The suburb is ethnically diverse and family-oriented, with bus connections feeding into the Joondalup Line at Warwick station roughly four kilometres away. That connectivity is a genuine amenity offset. The suburb's relatively low entry price point, combined with a rental population that sits close to 29 percent of occupied dwellings, means gross yields here tend to track toward the High Yield or Balanced strategy anchors in PropertyRanker's framework, around 5 to 6 percent or above, rather than the Capital Growth anchor of around 3.5 percent. Investors chasing capital appreciation as the primary return driver should compare this postcode carefully against higher-SEIFA suburbs in the northern corridor before committing. A decile 2 reading does not make a suburb uninvestable, but it does mean the macro tailwinds that support strong long-run price growth are weaker here than in the broader Perth market.
Girrawheen's house market is running strongly, with YIP/CoreLogic reporting a median house price of $750,000 and 18.11% annual growth to April 2026, while propertyvalue.com.au (Cotality) records a median of $650,000 with 27.4% annual growth and a vendor discount of just -2.8% across 176 sales. HtAG Analytics confirms demand-led tightening with a vacancy rate of 0.93%, stock on market of 0.41%, and median days on market of 34, pointing to a persistently supply-constrained submarket within the City of Wanneroo.
Anchor points pulled per refresh from publicly available suburb profiles. Approximate; not a moving average.
All three signals are favourable to sellers: vacancy at 0.93% is tightening, days on market are very short (8-34 days across sources), and vendor discounting is narrow at -2.8%, consistent with a hot market.
Sources: Girrawheen, WA 6064: Suburb Profile & Property Report | YIP (2026-04-01); Girrawheen House Prices & Property Trends | propertyvalue.com.au (2025-01-01); Girrawheen, WA 6064 Property Market and House Prices 2026 | HtAG (2026-09-14); GIRRAWHEEN WA Suburb Profile | Smart Property Investment (2024-11-01); Girrawheen Property Market and Trends | OpenAgent (2025-01-01) · Refreshed 30 Sep 2026
PropertyRanker scores any Australian property against 12 criteria across three pillars: Growth, Cashflow, and Risk. SEIFA is a primary signal for economic strength and a supporting one for entry-price risk. It also informs the crime side of hazard risk, though physical overlays like flood, bushfire and coastal exposure, and recorded crime data where available, take priority there. The decile of 2 shown above gives a listing in Girrawheen a softer starting line on economic strength, though often a firmer one on entry-price risk, since less advantaged postcodes usually carry lower entry prices.
On top of that, PropertyRanker chooses one of four strategies (Balanced, Growth, Yield, Regional) and applies a per-strategy yield anchor. The anchors are 3.5% for Growth, 5% for Balanced, 6% for Yield, and 7% for Regional. A postcode at this level tends to make the Yield (6% anchor) and Regional (7% anchor) strategies more reachable, because a lower entry price lifts the gross yield a listing can achieve, while a Growth result usually depends on a specific catalyst such as an infrastructure or renewal pipeline.
Read the scoring guide for the full criteria list and how the verdict thresholds work.
The SEIFA reading sets the macro frame, but it cannot see what matters most at the listing level. First, check current SQM vacancy data for postcode 6064; a low vacancy rate can partially offset the income-constraint risk flagged by the SEIFA score. Second, if the property is a strata or grouped dwelling, obtain the body corporate financials and confirm the sinking fund is adequately provisioned, because older Commission-era stock can carry deferred maintenance. Third, review any planning overlays or rezoning proposals affecting the specific lot; medium-density rezoning activity has been discussed in this suburb and could affect both the holding experience and the exit market. Fourth, confirm flood and drainage overlays via the City of Wanneroo's mapping tools, as parts of the northern corridor carry localised stormwater risk. Finally, price the listing against recent comparable sales in the same street or block rather than the broader suburb median. Score the specific listing in PropertyRanker to get a verdict that accounts for all of these factors, including live vacancy, body corporate health, overlay status, and pricing against recent comparable sales, none of which a postcode-level SEIFA reading can capture.
The data presents a mixed picture that depends heavily on what an investor is trying to achieve. Girrawheen's SEIFA IRSAD score of 906 (decile 2 nationally, 11th percentile in WA) signals a disadvantaged economic base, which constrains the income-driven demand that supports strong capital growth. At the same time, a lower entry price and a rental population of close to 29 percent of dwellings can support yield-focused strategies. Whether a specific listing here is suitable depends on the individual asset's vacancy history, condition, and pricing relative to comparable sales, not on the suburb label alone.
Given the decile 2 SEIFA reading and the suburb's affordable price point, Girrawheen aligns most naturally with the High Yield strategy, which targets a gross yield anchor of around 6 percent, or the Balanced strategy at around 5 percent. The Capital Growth strategy, anchored at around 3.5 percent gross yield, typically requires a stronger socioeconomic base than a score of 906 suggests. Investors should score the specific listing in PropertyRanker to confirm whether the actual yield on that asset clears the relevant strategy threshold.
The primary macro risk is the suburb's low SEIFA IRSAD score of 906, which sits 94 points below the national mean and at the 11th percentile within WA; this reflects a constrained local income base that can limit rent growth and narrow the resale buyer pool during softer markets. At the asset level, much of the housing stock dates from the State Housing Commission era, so build condition and deferred maintenance are worth scrutinising closely. Investors should also verify current vacancy rates for the postcode and check any planning overlays on the specific lot before drawing conclusions.
A SEIFA score is one of twelve signals in PropertyRanker's model, and a decile 2 reading does not by itself make a suburb a pass. It means the macro economic environment is weaker than average, which is a genuine risk factor that should be priced into your return expectations and holding-period assumptions. A specific listing on a well-maintained block with low vacancy and strong comparable sales support can still score well within this postcode frame. The SEIFA reading tells you what to scrutinise more carefully, not what decision to make.
PropertyRanker uses twelve signals across macro and asset-level dimensions. The SEIFA IRSAD score of 906 for Girrawheen directly informs three of those signals: economic_strength, hazard_risk, and entry_point_risk. The remaining signals operate at the listing level and include current SQM vacancy data for postcode 6064, body corporate health for strata properties, flood and planning overlay status, and pricing against recent comparable sales in the immediate area. Scoring a specific listing rather than relying on the suburb-level SEIFA reading alone is the only way to get a verdict that accounts for what the postcode frame cannot see.
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