Guarantor Home Loans Explained: How They Work and the Risks

A guarantor home loan lets you buy a property with a smaller deposit by having a family member use their property as additional security. The main benefit is avoiding Lender's Mortgage Insurance (LMI), which can save $8,000-$35,000 on a typical first home purchase. But guarantor arrangements carry real risks for both parties, so it's critical to understand how they work before proceeding.

How It Works

A standard home loan requires a 20% deposit to avoid LMI. With a guarantor:

1. You provide whatever deposit you have (often 5-10%)
2. A family member provides a limited guarantee secured against their property
3. The guarantee covers the gap between your deposit and 20%
4. You avoid paying LMI entirely

Example: You're buying a $700,000 property with a $70,000 deposit (10%).

The guarantor doesn't hand over cash. Their property title is used as additional collateral for the portion of your loan above 80% LVR.

Types of Guarantor Arrangements

Limited Guarantee (Most Common)

The guarantor is only liable for a specific portion of the loan (usually the amount above 80% LVR). This is the standard arrangement offered by most lenders, and it limits the guarantor's exposure.

Unlimited Guarantee (Rare, Avoid)

The guarantor is liable for the entire loan amount. This is uncommon with major lenders and should be avoided. Always ensure your arrangement is a limited guarantee.

Security Guarantee vs Serviceability Guarantee

• Security guarantee: The guarantor's property is used as additional collateral. They are not responsible for making repayments.
• Serviceability guarantee: The guarantor's income is also used to help you qualify for the loan amount. This is less common and creates greater ongoing risk for the guarantor.

Benefits

1. Avoid LMI - saving $8,000-$35,000 depending on the loan amount and LVR
2. Buy sooner - enter the market with a 5-10% deposit instead of waiting to save 20%
3. No cash from guarantor - your family member doesn't need to give you money
4. Potentially better rates - some lenders offer lower rates for guaranteed loans because the risk is lower

Risks for the Borrower

• Larger loan - borrowing more means higher repayments and more interest over time
• Negative equity risk - if property values fall, you could owe more than the property is worth
• Family relationship strain - financial arrangements between family members can create tension, especially if repayments are missed

Risks for the Guarantor

This is where it gets serious. The guarantor takes on real financial risk:

• Property at risk - if you default, the lender can sell the guarantor's property to recover the guaranteed amount
• Reduced borrowing capacity - the guarantee counts as a liability, reducing the guarantor's ability to borrow for their own needs
• Long-term commitment - the guarantee remains until formally released, which could take years
• Relationship risk - money issues between family members can damage relationships permanently

Both parties must get independent legal advice. This is not optional. Most lenders require it, and it protects both parties.

How to Remove a Guarantor

The guarantee is not permanent. You can apply to have it removed when:

1. Your LVR drops to 80% or below through a combination of:

   • Regular loan repayments
   • Extra repayments
   • Property value increases (you'll need a new valuation)

2. You can service the loan on your own without the guarantor's support

The process:

1. Request a property valuation from your lender (cost: $200-$500)
2. If the valuation shows LVR at or below 80%, apply for guarantor release
3. The lender assesses your serviceability independently
4. If approved, the guarantee is released and the guarantor's property is freed

Timeline: Most borrowers can remove the guarantor within 2-5 years, depending on repayment speed and property value growth.

Checklist Before Proceeding

For the borrower:

• Can you comfortably afford the repayments without the guarantor's help?
• Have you stress-tested your budget at a rate 2% higher?
• Have you received independent legal advice?
• Do you have a plan to reach 80% LVR and release the guarantor?

For the guarantor:

• Do you understand you could lose part of your property equity?
• Have you received independent legal and financial advice?
• Have you checked how the guarantee affects your own borrowing capacity?
• Are you comfortable with the arrangement affecting your finances for 2-5+ years?

Should You Involve a Guarantor?

Guarantor loans are a powerful tool for entering the property market earlier by avoiding LMI. But they're a serious financial commitment for the guarantor. Always use a limited guarantee, ensure both parties get independent legal advice, and have a clear plan to release the guarantee as quickly as possible.

Related Guides

• First Home Buyer Grants & Schemes - federal and state assistance you can stack with a guarantor loan
• The Real Cost of Buying a House - full breakdown of upfront and hidden costs
• Best Home Loan Rates - compare rates from guarantor-friendly lenders