Home Deposit Calculator Australia (2026–27)
Calculate your required cash home deposit, Loan-to-Value Ratio (LVR), Lenders Mortgage Insurance (LMI) costs, and monthly savings timeline for purchasing a home in Australia.
1. Property Price & Target LVR Deposit
$160,000
Required deposit for a $800,000 property at 80% LVR.
Savings Goal Timeline
2.3 Years
Shortfall of $70,000 remaining at $2,500/mo savings rate.
1. Understanding Australian Home Deposit Requirements (2026–27)
A home deposit is the initial cash equity contribution you pay towards the purchase price of an Australian residential property. The remaining balance is funded via a bank home loan.
Your deposit size determines your Loan-to-Value Ratio (LVR). An LVR above 80% (meaning a deposit under 20%) requires purchasing Lenders Mortgage Insurance (LMI), which protects the bank against default risk.
2. Deposit Tiers, LVR Ratios & LMI Impact Benchmarks
| Deposit Size % | Resulting LVR | LMI Fee Exposure | Cash Equity ($700k Home) | Lender Pricing Tier |
|---|---|---|---|---|
| 5% Deposit | 95.0% LVR | High LMI (~$18k–$32k) | $35,000 on $700k home | Standard Tier (Higher Rate) |
| 10% Deposit | 90.0% LVR | Moderate LMI (~$9k–$16k) | $70,000 on $700k home | Standard Tier Rate |
| 15% Deposit | 85.0% LVR | Low LMI (~$4k–$7k) | $105,000 on $700k home | Discounted Tier Rate |
| 20% Deposit (Sweet Spot) | 80.0% LVR | ZERO LMI ($0 Savings) | $140,000 on $700k home | Lowest Tier (Lowest Rate) |
3. The Mathematics of LVR, Deposit Goals & Timeline
Loan-to-Value Ratio (LVR %) for purchase price (P), cash deposit (D), upfront costs (C_upfront), and monthly savings (S_monthly) is:
Example Savings Calculation:
Purchasing an $800,000 property with a 15% deposit ($120,000) and $25,000 stamp duty/fees:
- Total Cash Needed: $120,000 + $25,000 = $145,000
- Current Savings: $55,000. Shortfall = $90,000.
- Monthly Savings Capacity: $3,000 per month.
- Savings Timeline required = 30 months (2.5 years).
4. Step-by-Step Guide to Saving Your Home Deposit
Establish Target Property Purchase Price & LVR Tier
Determine your realistic property price target and choose your LVR target (e.g. 5%, 10%, or 20% deposit).
Calculate Total Required Cash (Deposit + Upfront Costs)
Sum your core deposit requirement with state stamp duty, conveyancing fees, and building inspection costs.
Audit Current Cash Savings & FHSS Voluntary Contributions
Itemize current liquid savings, high-yield savings accounts, and available FHSS super withdrawal balances.
Calculate Monthly Savings Target & Compound Timeline
Divide your remaining deposit shortfall by your monthly savings capacity to establish a purchase target month.
Maintain 3-Month Genuine Savings Compliance Record
Keep deposit funds in a designated high-interest savings account for at least 90 days prior to applying for pre-approval.
5. Home Deposit Mistakes & Checklist
Forgetting State Stamp Duty & Upfront Conveyancing Fees
Saving exactly a 5% deposit ($35,000) for a $700,000 home, only to discover you need an extra $20,000 for stamp duty.
Relying on Non-Genuine Savings (Gifts) Without 3-Month Aging
Receiving a cash gift from parents right before pre-approval without holding it in your account for 90 days.
Draining Savings to $0 at Settlement Without Buffer
Using every dollar for the deposit, leaving $0 for council rates, emergency repairs, or immediate utility connection fees.
Ignoring High LMI Costs on 95% LVR Loans
Purchasing with a 5% deposit without factoring $25,000 in LMI capitalized onto the mortgage balance.
Home Deposit Checklist
3-Month Genuine Savings Bank Statement
Ensure at least 5% of deposit funds are held continuously in bank accounts for >90 days.
State Stamp Duty Exemption Audit
Verify if your target property price qualifies for first home buyer stamp duty concessions.
First Home Guarantee Reserve Eligibility
Apply for a 5% deposit First Home Guarantee spot through participating lenders to eliminate LMI.
Emergency Buffer Retention
Retain $5,000–$10,000 in liquid cash reserve post-settlement for unexpected moving costs.
6. Home Deposit Savings Lifecycle Timeline
Deposit Goal & High-Interest Account Setup
Set up high-yield savings account and automate monthly salary transfers.
Compound Savings & FHSS Salary Sacrifice
Accumulate deposit target and build 3-month genuine savings track record.
Pre-Approval & Broker Assessment
Submit bank statements to mortgage broker for formal LVR and borrowing power review.
Deposit Disbursal & Property Title Transfer
Transfer deposit to conveyancer trust account; complete property settlement.
Disclaimer: This Home Deposit calculator and guide are provided for general educational and informational planning purposes only. LVR thresholds, LMI premium estimates, and genuine savings guidelines reflect 2026–27 Australian banking practices. This page does not constitute formal financial, lending, or mortgage advice.
Charlotte Smith
Senior Personal Finance & Taxation Specialist at AussieSpot
Charlotte Smith is the lead personal finance advisor and workplace specialist at AussieSpot. Charlotte has over 12 years of experience helping Australian households build budgets, plan savings goals, and manage living costs.
Frequently Asked Questions (FAQ)
How much deposit do I need to buy a house in Australia?
While a 20% deposit (80% LVR) is ideal to avoid paying Lenders Mortgage Insurance (LMI), many Australian lenders accept 5% or 10% deposits provided you pay LMI or access government guarantee schemes like the First Home Guarantee.
What upfront costs must be saved in addition to the home deposit?
In addition to your core deposit, you must save for upfront purchasing costs including state stamp duty (0% to ~4.5%), conveyancing fees ($1,200–$2,500), building/pest inspections ($500–$900), and mortgage registration fees ($150–$300).
How does a Guarantor Loan eliminate the need for a cash deposit?
A guarantor loan uses an immediate family member’s property equity to secure 20% of your loan value. This allows you to borrow up to 100% of the property purchase price plus stamp duty without paying LMI or needing cash savings.
What is "Genuine Savings" and why do Australian banks require it?
Lenders require at least 5% of the property purchase price to be proven "genuine savings" held in your bank account for a minimum of 3 consecutive months. This proves to APRA and lenders that you possess regular saving habits.
How does the First Home Super Saver (FHSS) scheme boost deposit savings?
The FHSS scheme allows eligible first home buyers to make up to $15,000 per year (up to $50,000 total) in voluntary super contributions. Withdrawing these funds for a home deposit delivers tax savings compared to standard bank account savings.