Avoid costly First Home Guarantee mistakes with tips on deposits, pre-approval, eligibility rules and choosing the right property.

What are the most common mistakes when using the First Home Guarantee?


25 Jun 2026

Common Mistakes First Home Buyers Should Avoid 1.jpg

Buying your first home can feel exciting, but navigating the First Home Guarantee scheme can be overwhelming if you misunderstand key eligibility rules or overlook important steps in the process. Many first home buyers Australia-wide focus heavily on the low-deposit opportunity without fully considering how lender requirements, property eligibility, and financial planning can affect their applications.

Some of the most common mistakes involve choosing properties above the approved price caps, assuming a low deposit will cover all upfront costs, or applying for finance before securing pre-approval. Buyers may also run into issues by misunderstanding lender-specific requirements or overestimating how much they can comfortably borrow under the scheme.

The First Home Guarantee can help eligible buyers enter the property market sooner and avoid lenders' mortgage insurance, but preparation still plays a major role in a smooth approval process. Carefully reviewing eligibility, understanding borrowing limits, and planning for long-term affordability may help buyers avoid unnecessary delays, financial strain, or rejected applications when buying their first home.

1. Misunderstanding property price caps

One of the most common First Home Guarantee mistakes buyers make is misunderstanding how property price caps affect eligibility under the scheme.

Property caps vary depending on location across the Victorian property market, meaning a home that qualifies in one area may not be eligible in another. Buyers searching in metropolitan Melbourne may face tighter options due to higher property values, while regional locations may offer more flexibility within the approved thresholds.

Eligibility issues can also arise when buyers overlook additional build-related costs associated with new homes or house and land packages. The total property value, not just the advertised base price, is generally assessed under the scheme.

Checking the latest Housing Australia property caps before beginning the property search may help buyers avoid delays, rejected applications or unnecessary financial pressure later in the process.

2. Assuming you don’t need savings beyond the deposit

Many first home buyers focus heavily on saving the minimum deposit required under the First Home Guarantee, but the deposit is only one part of the overall cost of buying a home. Buyers using a low-deposit home loan may still need additional savings to cover upfront expenses linked to the purchase process.

Deposit savings

Minimum deposit required under the First Home Guarantee. This is designed to help eligible buyers enter the property market sooner with a lower upfront contribution.

Includes:

  • Low-deposit home loan access
  • Reduced need for lenders' mortgage insurance
  • Entry into home ownership with less upfront savings
  • Support through participating lenders

Additional upfront costs

Additional savings beyond the property deposit are required. This is designed to help buyers prepare for costs that are not included in the home loan amount.

Includes:

  • Stamp duty and government charges
  • Legal and conveyancing fees
  • Building and pest inspections
  • Loan application and lender fees
  • Moving and utility connection costs
  • Extra funds for unexpected purchase expenses

Some buyers mistakenly assume the First Home Guarantee removes all upfront costs, which can create financial pressure later in the process. While the scheme may reduce the deposit needed to purchase a property, buyers should still budget carefully for additional expenses that can add up quickly when buying their first home.

Common Mistakes First Home Buyers Should Avoid 2.jpg

3. Not getting pre-approval before applying

Securing loan pre-approval before applying under the First Home Guarantee can help buyers better understand their borrowing capacity and reduce delays during the mortgage process. Buyers who begin searching for properties too early, without speaking to participating lenders, may waste time on homes that fall outside their approved budget or eligibility requirements.

Starting the property search too early

Some buyers begin house-hunting before confirming how much they can borrow. This can lead to disappointment if a preferred property exceeds the lender's borrowing limits or the First Home Guarantee price caps.

Delays during finance approval

Without pre-approval, lenders may need additional time to assess income, expenses and eligibility once a buyer makes an offer on a property. This can slow down the overall mortgage process and create pressure during contract negotiations.

Misunderstanding borrowing capacity

Pre-approval can provide buyers with a clearer idea of their likely borrowing range before committing to a purchase. Buyers who skip this step may overestimate what they can comfortably afford under the scheme.

Increased risk of missing opportunities

In competitive property markets, buyers without pre-approval may struggle to move quickly when suitable homes become available. Sellers and agents may also prefer offers from buyers who already have a finance conditionally approved.

Unexpected lender requirements

Different participating lenders can apply varying assessment criteria under the First Home Guarantee. Obtaining pre-approval early may help buyers identify potential issues before progressing further in the application process.

4. Choosing an ineligible property

Choosing a property that does not meet First Home Guarantee eligibility requirements can lead to delays, rejected applications or unexpected financial setbacks during the buying process. Carefully reviewing property eligibility before signing contracts may help buyers avoid common mistakes related to housing rules and lender requirements.

Common property selection mistakes may include:

  • Purchasing a property above the approved price cap for the location
  • Assuming all residential properties automatically qualify under the scheme
  • Choosing an investment property instead of an owner-occupier home
  • Overlooking total build and land costs for new homes or house and land packages
  • Signing contracts before confirming property eligibility with a lender
  • Ignoring additional site costs or upgrades that increase the final property value
  • Selecting properties that do not meet lender or Housing Australia requirements
  • Focusing only on location without considering long-term affordability
  • Assuming off-the-plan or newly built homes automatically qualify

Checking property eligibility early and speaking with participating lenders before making offers may help buyers narrow their property search more effectively and reduce the risk of application issues later in the process.

5. Timing mistakes when applying for the scheme

The timing of a First Home Guarantee application can influence whether buyers successfully secure a place under the scheme and move smoothly through the approval process. Because places are limited each financial year, delays or poor planning can sometimes create unnecessary pressure for first-home buyers.

Waiting too long to apply

The First Home Guarantee has a limited number of places available through participating lenders. Buyers who delay their application may find scheme availability becomes more competitive later in the financial year.

Starting the property search before speaking with lenders

Some buyers begin house-hunting before discussing borrowing capacity or eligibility with a lender. This can create setbacks if finance approvals take longer than expected or preferred properties exceed scheme limits.

Delays in preparing financial documents

Missing payslips, identification documents or financial records can slow down lender assessments and approval timelines. Preparing paperwork early may help buyers avoid unnecessary delays during the mortgage process.

Signing contracts before approval is confirmed

Committing to a property before receiving pre-approval or lender confirmation can place buyers under additional pressure if finance or eligibility issues arise later in the process.

Underestimating lender processing times

Different lenders may have varying approval timeframes and assessment requirements under the scheme. Buyers who leave applications until the last minute may have fewer options if processing delays occur.

Common Mistakes First Home Buyers Should Avoid 3.jpg

6. Overestimating borrowing power with a low deposit

The First Home Guarantee can help buyers enter the property market with a lower deposit, but it does not automatically increase borrowing capacity. Participating lenders still assess income, living expenses, existing debts and overall financial stability before approving a home loan under the scheme.

Some first-home buyers focus heavily on the maximum amount they can borrow rather than on what comfortably fits their long-term budget. Larger loans can lead to higher mortgage repayments and reduced financial flexibility if household costs or interest rates increase over time.

Borrowing calculators can provide a useful starting point, but lender assessments may vary depending on income and financial commitments. Speaking with lenders early and setting realistic expectations may help buyers avoid financial strain and make more confident decisions during the home-buying process.

7. Not understanding lender-specific requirements

The First Home Guarantee operates through participating lenders, but not every lender applies the same loan criteria or assessment process. Some first-home buyers assume that approval requirements will be identical across all lenders, which can create confusion or delays during the application process.

Lender-specific differences may include:

  • Borrowing capacity assessment methods
  • Income and employment verification requirements
  • Credit history expectations
  • Deposit and savings evidence requirements
  • Construction loan conditions for new builds
  • Property eligibility checks
  • Loan repayment buffers and affordability testing
  • Approval timeframes and documentation processes

Comparing participating lenders early and asking questions about individual loan criteria may help buyers better understand their options under the scheme and reduce unexpected setbacks during the finance approval process.

8. Failing to plan for long-term affordability

The First Home Guarantee can help buyers purchase a property sooner with a lower deposit, but focusing solely on upfront costs may create financial pressure later in the home-ownership journey. Long-term affordability is important for maintaining financial stability after moving into a new home.

Mortgage repayments

Potential challenges:

  • Higher loan amounts linked to lower deposits
  • Larger monthly repayment commitments
  • Reduced financial flexibility if household expenses increase

What buyers should consider:

  • Setting a realistic repayment budget
  • Leaving room for savings and emergency expenses
  • Reviewing repayments beyond the initial loan approval stage

Interest rate changes

Potential challenges:

  • Rising interest rates increasing mortgage costs
  • Changes in repayment amounts over time
  • Financial strain if income or living costs change

What buyers should consider:

  • Planning for possible rate increases
  • Comparing loan features and repayment flexibility
  • Speaking with lenders about long-term affordability options

Ongoing household budgeting

Potential challenges:

  • Underestimating ongoing home ownership costs
  • Additional expenses such as utilities, maintenance and insurance
  • Difficulty balancing lifestyle spending with repayments

What buyers should consider:

  • Building a detailed household budget
  • Planning for ongoing property-related expenses
  • Maintaining a financial buffer where possible

Looking beyond the initial deposit and planning for future costs may help first-home buyers feel more confident and financially prepared throughout the homeownership journey.

What to do if your application is rejected?

A rejected First Home Guarantee application does not always mean buyers have run out of options. In many cases, eligibility issues, financial position or property selection factors can be reviewed and adjusted before reapplying through a participating lender.

Review the reason for rejection

Understanding why the application was unsuccessful can help buyers identify which areas may need improvement before applying again. Rejections may relate to borrowing capacity, eligibility requirements, property selection or missing financial documents.

Reassess borrowing capacity and budget

Some buyers may need to adjust their property budget or reduce existing financial commitments before reapplying. Reviewing income, expenses, and ongoing repayment comfort can help create a more realistic borrowing strategy.

Check property eligibility requirements

Applications may be rejected if the selected property exceeds price caps or does not meet current scheme rules. Buyers may benefit from reviewing alternative locations or more suitable property types within the approved limits.

Compare participating lenders

Different lenders may apply varying assessment criteria under the First Home Guarantee. Speaking with another participating lender may help buyers better understand available loan options and approval pathways.

Strengthen financial preparation

Improving savings, reducing debts or maintaining stable employment may help strengthen future applications. Preparing financial documents early can also help streamline the next approval process.

How to avoid mistakes when using the First Home Guarantee

Preparing early and understanding how the First Home Guarantee works may help buyers avoid unnecessary delays, financial pressure, and eligibility issues during the home-buying process.

Buyers can reduce common mistakes by:

  1. Setting a realistic property budget before house-hunting
  2. Checking current eligibility requirements early in the process
  3. Speaking with participating lenders about borrowing capacity
  4. Securing pre-approval before making property offers
  5. Researching property price caps for preferred locations
  6. Planning savings beyond the minimum deposit requirement
  7. Factoring in ongoing mortgage repayments and household expenses
  8. Comparing lenders and loan features carefully
  9. Reviewing property eligibility before signing contracts
  10. Preparing financial documents ahead of lender assessments
  11. Allowing enough time for approvals and application processing
  12. Seeking professional financial or lending guidance when needed

A clear financial plan and well-organised application process may help first home buyers feel more confident when navigating the First Home Guarantee and working towards long-term home ownership goals.

28_JamesAve_Aspendale_039.jpg

How Carlisle Homes helps buyers avoid common mistakes when building

Carlisle Homes helps first home buyers feel more confident throughout the building journey with expert guidance, flexible home designs and house and land packages Melbourne buyers can explore with ease. 

From understanding scheme requirements to choosing eligible new home options, our team is here to help make the path towards home ownership feel clearer, smoother and more exciting. 

Did you find this blog useful?

Don't forget to save it so you can revisit it later!

Carlisle newsletter

Sign up to get the latest news from Carlisle Homes including exclusive offers, new home designs, and the latest trends and inspiration.