Carlingford (postcode 2118) sits approximately 22 kilometres north-west of the Sydney CBD within the City of Parramatta LGA, occupying a geographic boundary between Northern Sydney and Western Sydney. Its SEIFA IRSAD score of 1085 places it in decile 9 of 10 nationally and at the 80th state percentile within New South Wales, firmly in the advantaged band. That reading is 85 points above the national mean of 1000, signalling a postcode frame characterised by relatively high household incomes, strong educational attainment, and low rates of economic disadvantage. For investors, this is a meaningful macro signal, but it is one input among many, not a verdict on any individual listing.
ABS 2021 IRSAD release. Score 1085 (national mean = 1000).
A SEIFA IRSAD decile of 9 tells PropertyRanker that Carlingford's postcode frame carries low relative disadvantage at a population level. In the model's twelve-signal scoring system, this reading feeds directly into three criteria: economic_strength, hazard_risk, and entry_point_risk. On economic_strength, a score this far above the national mean suggests a resident base with the income capacity to sustain housing demand across cycles, which tends to compress vacancy risk over the medium term. On hazard_risk, higher-decile postcodes correlate with lower concentrations of socioeconomic stress that can amplify property-level risks. On entry_point_risk, the advantaged band indicates the suburb is unlikely to be priced on distressed fundamentals, though it also means entry prices will reflect that quality premium.
Carlingford sits at the meeting point of Northern Sydney and Western Sydney, and is sometimes associated with the Hills District. The suburb has an established residential character with a mix of detached houses and apartments, proximity to Macquarie University, and access to Parramatta via bus and rail corridors. These structural factors support the macro reading, but SEIFA cannot see the specific street, the strata committee's financial health, the build year, flood overlays, or how a given listing is priced against recent comparable sales.
For strategy alignment, Carlingford's advantaged SEIFA profile and Sydney metro location are most consistent with a Capital Growth orientation, where the gross-yield anchor sits around 3.5 percent. Investors seeking higher yield thresholds of 6 percent or above will need to verify whether current rents support that target at prevailing entry prices, because a high-decile postcode does not guarantee yield compression or expansion in either direction.
According to propertyvalue.com.au and yourinvestmentpropertymag.com.au (data to April 2026), Carlingford houses recorded a median sale price of approximately $2.2 million, with 12-month price growth of around 4.4% and an average vendor discount of -6.9%. Sales volume over the past 12 months reached 188 to 235 houses depending on the source, while average days on market sat at 39 to 41 days for houses; however, realestateinvestar.com.au noted stock on market for houses rose 72.73% year-on-year, pointing to a softening supply-demand balance.
Anchor points pulled per refresh from publicly available suburb profiles. Approximate; not a moving average.
Stock on market surged 72.73% year-on-year (realestateinvestar.com.au) indicating loosening conditions, and a vendor discount of -6.9% signals vendors are conceding ground, while days on market remain broadly stable, placing the market in a cool band.
Sources: Carlingford House Prices & Property Trends (2026-04-01); Carlingford, NSW 2118: Suburb Profile & Property Report (2026-04-01); Investment Property Carlingford, NSW, Parramatta, 2118 (2026-09-01); Carlingford NSW 2118 - Scifers & Merriman Property (2026-09-01); Real Estate Agents Carlingford NSW 2118 - LSRE (2026-09-01) · Refreshed 10 Oct 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 9 shown above gives a listing in Carlingford a stronger starting line on economic strength than the national median postcode, and a softer one on entry-price risk, since more advantaged postcodes usually carry higher 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 of relative advantage tends to suit the Growth (3.5% anchor) and Balanced (5% anchor) strategies more readily than Yield (6%) or Regional (7%), because a higher entry price compresses the gross yield a listing can reach without a specific value-add.
Read the scoring guide for the full criteria list and how the verdict thresholds work.
SEIFA is a postcode-level read. The fastest sanity check on any single decile reading is to compare it against the suburbs that surround it.
SEIFA is a postcode-level census snapshot. It cannot tell you whether a specific unit block has a healthy sinking fund, whether a house sits in a flood or bushfire overlay, or whether the asking price reflects recent comparable sales in the same street. Before drawing any conclusions from the decile 9 reading, investors should check the current SQM vacancy rate for postcode 2118 to confirm rental demand is holding, review strata records and body corporate financials for any apartment purchase, confirm flood and planning overlay status through the City of Parramatta's mapping tools, and benchmark the listing price against settled sales from the past three to six months in the same property type. The SEIFA reading sets a favourable macro frame, but a listing inside that frame can still be overpriced, poorly maintained, or encumbered by overlays that the postcode score cannot detect. Score the specific listing in PropertyRanker to get a verdict that accounts for current SQM vacancy, body corporate health, flood and overlay status, and pricing against recent comparable sales.
Carlingford's SEIFA IRSAD score of 1085 (decile 9 of 10 nationally) indicates a postcode frame with low relative disadvantage and a resident base with above-average income capacity, both of which are positive macro signals for sustained housing demand. However, a strong SEIFA reading does not make any individual listing a sound investment; entry price, current vacancy, strata health, and overlay status all need separate verification. PropertyRanker uses SEIFA as one of twelve scoring signals, so the full picture on a specific property requires scoring that listing directly.
Carlingford's advantaged SEIFA band and Sydney metro location align most naturally with the Capital Growth strategy, which targets a gross yield of around 3.5 percent and prioritises suburbs with strong economic fundamentals and sustained demand. Investors targeting the High Yield or Regional strategies, with gross yield anchors of 6 percent or 7 percent respectively, should verify whether current rents in postcode 2118 support those thresholds at prevailing entry prices before proceeding. The Balanced strategy at around 5 percent may be achievable on some property types, but that requires checking live rental data rather than relying on the SEIFA reading alone.
The primary risk for investors in a decile 9 postcode like Carlingford is entry price: a high-quality macro frame is already reflected in asking prices, which means overpaying relative to comparable sales is a real possibility. Apartment buyers face additional strata-specific risks, including body corporate levies and sinking fund adequacy, which SEIFA cannot measure. Investors should also confirm flood and planning overlay status through City of Parramatta mapping tools, as individual lots within an otherwise advantaged suburb can carry site-specific hazards.
A high SEIFA decile correlates with economic conditions that tend to support rental demand, but it is not a direct measure of vacancy. SQM Research publishes postcode-level vacancy data that should be checked independently for postcode 2118 before any investment decision. PropertyRanker incorporates current SQM vacancy as a separate signal from SEIFA, so scoring a specific listing in the tool will surface the live vacancy reading alongside the macro SEIFA context.
PropertyRanker applies twelve scoring signals to each listing, of which SEIFA IRSAD feeds into three: economic_strength, hazard_risk, and entry_point_risk. The remaining signals cover factors that a postcode-level census measure cannot see, including current SQM vacancy for postcode 2118, body corporate and strata health, flood and planning overlay status, and how the listing price compares to recent comparable sales. Carlingford's decile 9 SEIFA reading provides a favourable macro starting point, but the full score depends on the property-level data entered into the tool.
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