$800,000 Mortgage Repayments Australia (2026)

Updated

$800,000 Mortgage Repayments Australia (2026)

At a 6.00% p.a. interest rate over 30 years, monthly repayments on an $800,000 mortgage are $4,797. Fortnightly repayments are $2,214 and weekly repayments are $1,107. Total interest paid over 30 years amounts to approximately $926,920 — nearly matching the original loan amount in interest alone.

An $800,000 loan is now typical for buyers in Sydney’s outer suburbs, inner Melbourne, inner Brisbane and Perth’s established suburbs. It’s also approaching the median loan size in Sydney.


$800,000 Mortgage — Monthly Repayments by Interest Rate (30-Year Term)

Interest RateMonthlyFortnightlyWeeklyTotal Interest Paid
5.50% p.a.$4,543$2,097$1,048$835,480
5.75% p.a.$4,669$2,154$1,077$881,040
6.00% p.a.$4,797$2,214$1,107$926,920
6.25% p.a.$4,926$2,274$1,137$973,360
6.50% p.a.$5,058$2,334$1,167$1,020,880
7.00% p.a.$5,322$2,457$1,228$1,115,920
7.50% p.a.$5,593$2,581$1,290$1,213,480

Principal and interest repayments. Figures rounded to the nearest dollar.

At 7.50% over 30 years, total interest on an $800,000 loan exceeds $1.2 million — 50% more than the original loan amount.


Repayments by Loan Term at 6.00% p.a.

Loan TermMonthly RepaymentTotal Interest PaidInterest Saved vs 30 Years
30 years$4,797$926,920
25 years$5,154$746,200$180,720
20 years$5,731$575,440$351,480
15 years$6,752$415,360$511,560

A 20-year term on an $800,000 loan saves over $351,000 in total interest versus 30 years — at the cost of $934/month in additional repayments.


What Income Do You Need for an $800,000 Mortgage?

Borrower TypeApproximate Income Needed
Single borrower, no HECS, no dependants~$145,000–$175,000
Single borrower with HECS debt~$160,000–$200,000
Joint borrowers (combined income)~$120,000–$150,000 combined

At $800,000, this loan size is challenging on a single income unless earnings are well above average. Most borrowers at this level are either high-income singles or dual-income couples. See how much you can borrow on a $150,000 salary and joint borrowers on $200,000 combined.

Note: the First Home Guarantee income cap is $125,000 for singles and $200,000 for joint applicants. An $800,000 loan would typically require a property purchase price above most state First Home Guarantee property price caps.


What Does an $800,000 Loan Buy?

DepositProperty PriceLVRLMI Required?
$42,105 (5%)$842,10595%Yes
$88,889 (10%)$888,88990%Yes
$200,000 (20%)$1,000,00080%No
$266,667 (25%)$1,066,66775%No

At $1,000,000 with a 20% deposit, this loan size enters “prestige” territory in most capitals, covering:

  • A median-priced house in Melbourne (~$940,000)
  • An inner-ring Brisbane house or established suburb house in Perth
  • An outer-ring house in most Sydney markets

See income needed for a $1,000,000 house for a full affordability analysis.


Extra Repayments — Impact on an $800,000 Loan

Extra Monthly RepaymentYears SavedInterest Saved
$200/month~2.5 years~$91,000
$400/month~5 years~$162,000
$800/month~9 years~$280,000
$1,500/month~14 years~$400,000

The higher the loan amount, the greater the dollar value of interest savings from extra repayments. An extra $800/month on an $800,000 loan can save approximately $280,000 in interest over the life of the loan.


Impact of Rate Negotiation at $800,000

At this loan size, even a small reduction in interest rate produces significant savings. Many lenders will negotiate rates for borrowers with strong financial positions:

Rate ReductionMonthly Saving30-Year Saving
0.10%~$40/month~$14,400
0.25%~$100/month~$36,000
0.50%~$200/month~$72,000
1.00%~$400/month~$144,000

Refinancing to a 0.50% lower rate saves approximately $72,000 over 30 years on an $800,000 loan. See the refinancing calculator to assess whether refinancing makes sense for your situation.


Frequently Asked Questions

What are the monthly repayments on an $800,000 mortgage in Australia? At 6.00% p.a. over 30 years, repayments on an $800,000 P&I loan are $4,797 per month. Over a 25-year term, repayments rise to $5,154/month.

How much interest do you pay on an $800,000 home loan? At 6.00% over 30 years, total interest is approximately $926,920. Over 25 years, this falls to around $746,200.

What salary do you need for an $800,000 mortgage in Australia? A single borrower typically needs $145,000–$175,000 gross annual income to qualify for an $800,000 mortgage. Most lenders assess this loan using APRA’s 3% buffer, meaning an assessment rate of around 9.00%.

Can a couple on $200,000 combined get an $800,000 mortgage? A combined income of $200,000 generally supports borrowing capacity of $1,000,000–$1,200,000 for couples with manageable expenses and no significant HECS debt. An $800,000 loan should be feasible for most couples at this income level. See joint borrowers on $200,000 combined.



This article provides general information only. Repayment figures are estimates based on a standard P&I amortisation formula. Actual repayments depend on your lender’s terms, rate and fees. For advice tailored to your situation, speak with a licensed mortgage broker or financial adviser. Find one through MoneySmart.