Home Loans in South Australia (SA) - Compare Rates from 30+ Lenders

In South Australia, the average variable home loan interest rate for owner-occupiers paying principal and interest is approximately 6.55% as of May 2026. The lowest variable rates available to SA borrowers start from 5.69% p.a. (5.71% comparison rate) from online lenders. Fixed rates start from 5.84% p.a. (6.08% comparison rate). These rates assume an 80% loan-to-value ratio on a standard owner-occupier loan. South Australia's lower median property prices compared to Sydney and Melbourne mean smaller loan sizes, resulting in lower total interest paid over the life of the loan.

In South Australia, the best home loan rates as of 2026 come from a mix of online and traditional lenders. Unloan (backed by CommBank) offers a competitive variable rate with offset and redraw. Athena offers a competitive rate with automatic rate matching. Among the major banks, ING leads, followed by Macquarie and CommBank. BankSA (a division of Westpac) is the most prominent local bank with extensive branch coverage across South Australia. HomeStart Finance, the SA Government lender, offers unique low-deposit and graduate loan products not available from mainstream lenders.

To purchase a home in Adelaide at the median house price of approximately $750,000, you would ideally need a 20% deposit of $150,000 to avoid paying Lenders Mortgage Insurance (LMI). The minimum deposit most lenders accept is 5%, which is $37,500 for a $750,000 property. First home buyers in SA can access HomeStart Finance with deposits as low as 3% on some products. The federal First Home Guarantee also allows 5% deposits without LMI, with 35,000 places available nationally in 2026. Regional SA properties with a median of approximately $380,000 require a 20% deposit of just $76,000, making them highly accessible for first-time buyers.

First home buyers in South Australia can access several government grants and schemes. The SA First Home Owner Grant provides $15,000 for new homes valued up to $650,000 - the highest FHOG in any mainland state except Queensland. First home buyers purchasing a new home up to $650,000 are fully exempt from stamp duty. For established homes, FHB stamp duty concessions apply on properties up to $500,000. The federal First Home Guarantee allows 5% deposits without LMI (35,000 places nationally in 2026). HomeStart Finance offers low-deposit loans from 3% with no LMI. The federal Help to Buy shared equity scheme requires just a 2% deposit.

Stamp duty (transfer duty) on a $750,000 property in South Australia is approximately $35,080 for a standard purchaser. This is calculated as $21,330 plus 5.5% of the amount over $500,000. First home buyers in SA purchasing a new home valued up to $650,000 are fully exempt from stamp duty. For established homes, first home buyers receive concessions on properties up to $500,000. South Australia's stamp duty rates are moderate compared to NSW and Victoria but higher than Queensland for equivalent property values. Foreign buyers pay an additional 7% surcharge on top of standard duty.

HomeStart Finance is a South Australian Government statutory authority that provides home loans to South Australians who may not qualify for mainstream bank lending. HomeStart offers several unique products including low-deposit loans (from 3%), the Graduate Loan for recent university graduates, and shared equity options. HomeStart does not require LMI on low-deposit loans, making it one of Australia's most accessible pathways to home ownership. Unlike WA's Keystart, HomeStart offers both fixed and variable rate options and provides offset accounts on some products. HomeStart has helped over 79,000 South Australians into home ownership since 1989. Income limits and property value caps apply depending on the specific product.

Beyond the purchase price and stamp duty, buying a home in South Australia involves several additional costs. Conveyancing fees typically run $800-$1,500. Building and pest inspections cost $400-$700. Strata inspection reports for units cost $200-$350. Loan application fees range from $0-$600. Lenders Mortgage Insurance (LMI) applies if your deposit is below 20% and can cost $5,000-$20,000 on an Adelaide property. Land Services SA registration fees are approximately $180-$220. Adjustments for council rates and SA Water charges apply at settlement. Emergency Services Levy (ESL) is an ongoing annual cost unique to South Australia. Budget an additional 3-5% of the purchase price for these costs.

The median house price in Adelaide is approximately $750,000 as of early 2026, according to CoreLogic data. Adelaide has been one of Australia's strongest-performing capital city markets over the past three years, with prices growing approximately 14% over the 12 months to May 2026. The median unit price in Adelaide is approximately $480,000. Prices range from $400,000-$550,000 in outer northern suburbs like Elizabeth, Salisbury, and Munno Para to over $1.5 million in eastern suburbs like Burnside, Unley, and Norwood. Adelaide's growth has been driven by interstate migration from Melbourne and Sydney, relative affordability, and lifestyle appeal.

Yes, most major banks and online lenders approve home loans for regional South Australia properties. All major lenders are active in the Barossa Valley, Mount Gambier, Murray Bridge, Victor Harbor, and Port Lincoln. Some lenders may have restrictions on very remote areas or properties in towns with small populations. Regional SA median prices around $380,000 make these areas very affordable compared to Adelaide. HomeStart Finance is particularly valuable for regional SA borrowers as it has broader geographic acceptance and lower deposit requirements. Credit unions like People's Choice (now Heritage and People's Choice) also have strong regional SA coverage.

Yes, Adelaide remains more affordable than Sydney, Melbourne, and Brisbane, though the gap has narrowed significantly due to Adelaide's strong price growth over the past three years. Adelaide's median house price of approximately $750,000 is 38% cheaper than Sydney ($1.2M), 19% cheaper than Melbourne ($930K), and 12% cheaper than Brisbane ($850K). A 20% deposit in Adelaide requires $150,000 compared to $240,000 in Sydney. Monthly repayments on an Adelaide median home (80% LVR, 6.2%) are approximately $3,650 compared to $5,900 in Sydney. Adelaide also benefits from the $15,000 FHOG (higher than NSW and VIC) and HomeStart Finance's low-deposit products.

Adelaide has been one of Australia's top-performing property markets, with approximately 14% growth over the 12 months to May 2026. This follows 15%+ annual growth in both 2023 and 2024, making South Australia one of the fastest capital growth states over the three-year period 2023-2025. Adelaide's growth has been driven by interstate migration from Melbourne and Sydney, a strong local economy including the defence and space sectors, relative affordability, and limited new housing supply. The Barossa Valley and Adelaide Hills have also experienced strong growth as lifestyle buyers seek premium regional living within commuting distance of the CBD.