What is Approval in Principle (AIP)?

Buying a home is one of the biggest financial decisions you'll ever make. Whether you're a first home buyer or a seasoned investor, it’s important to understand each step in the home loan process. One of the earliest (and most important) steps is getting an Approval in Principle (AIP). But what exactly does that mean, and how does it help?

What Is Approval in Principle?

Approval in Principle, also known as conditional approval or pre-approval, is an indication from a lender that you’re likely to be approved for a home loan, based on an initial assessment of your finances.

It’s not a formal loan offer, and it doesn’t guarantee final approval. But it does show you (and property sellers) how much you're likely able to borrow, provided your circumstances stay the same and the property you choose meets the lender's criteria. Think of it as a financial green light to start seriously house hunting.

The easiest way to get an AIP is to work with a mortgage broker. At Eden Emerald Mortgages, the service is completely FREE for you, and we help you compare over 40+ different lenders to maximise your borrowing capacity. Fill out the form below to get in touch and also take a look at our free borrowing power calculator to estimate how much you can borrow.

How Approval in Principle Works

When you apply for an Approval in Principle, the lender will take a close look at your:

• Income and employment
• Savings and assets
• Living expenses
• Credit history and debts

You'll usually need to provide supporting documents like payslips, bank statements, and ID.

Once the lender assesses your financial situation, they’ll issue an AIP letter showing the maximum amount they’re willing to lend you. This approval usually remains valid for three months, but can vary depending on the lender.

However, AIP is not binding. It’s based on the information you’ve provided and assumes your circumstances don’t change. The lender still needs to assess the specific property you choose and conduct final checks before formally approving the loan.

Benefits of Getting an Approval in Principle

Getting an Approval in Principle gives you several advantages when you're on the hunt for a new home:

• Clarity on Your Budget: You’ll know exactly how much you can afford to borrow, helping you narrow your search to properties within your price range.
• Stronger Negotiating Power: Sellers and real estate agents are more likely to take your offer seriously if you have pre-approval in hand.
• Faster Formal Approval: Once you find a property and submit a full application, you’ve already done much of the legwork.

Limitations and Common Misunderstandings

While an AIP is incredibly helpful, it’s important to understand its limits:

• Not a Loan Guarantee: Your loan can still be declined later if your situation changes or if the property doesn’t meet the lender’s requirements.
• Subject to Valuation: Lenders will require a property valuation to ensure it aligns with the price you’re paying.
• Sensitive to Changes: Taking on a new credit card, changing jobs, or reducing your income can all affect your eligibility, even after pre-approval.

What Happens After You Get an AIP?

Once you have an AIP in place, it’s time to start looking for your dream home—confident that your finances are in order.

When you find a property you love, you can:

1. Make an offer (or bid at auction).
2. If the offer is accepted, move forward with the formal loan application.
3. The lender will assess the property, complete any remaining checks, and issue full (unconditional) approval.

At that point, you’re ready to sign the contract and settle the loan.

Tips for a Smooth Approval in Principle Process

To maximise your chances of getting approved—and avoid delays—keep these tips in mind:

• Get organised: Have your documents ready, including income statements, tax returns, and ID.
• Avoid financial changes: Don’t take out new loans or change jobs during the process.
• Consider using a broker: A mortgage broker can compare lenders and guide you through the application from start to finish.

Conclusion

An Approval in Principle is a valuable tool that gives you clarity, confidence, and a competitive edge when buying property. While it’s not a guarantee of final approval, it shows lenders are willing to lend to you—subject to final checks.

If you’re thinking of buying, don’t wait until you’ve found a property to get started. Getting AIP early can make the entire process smoother, quicker, and far less stressful.