On a $100,000 Salary, How Much Can You Actually Borrow?

If you earn $100,000 a year, either individual or combined, it is natural to wonder how much a bank might let you borrow.

You might jump online, type your income into a mortgage calculator, and get a number back within seconds. Simple, right?

Not quite.

The truth is, your income is only one part of the picture. While a $100,000 salary is a strong starting point, it does not automatically mean the bank will lend you a certain amount. What really matters is what your full financial position looks like.

That includes your income, yes – but also your expenses, debts, credit cards, dependents, spending habits, deposit, and how much money you actually have left over each month.

So, on a $100,000 salary, how much can you borrow?

As a rough guide, someone earning $100,000 may be able to borrow somewhere around $500,000 to $650,000.

But that is only a guide.

Your real borrowing power could be higher or lower depending on your situation.

Why Online Calculators Only Tell Part of the Story

Online mortgage calculators can be helpful as a starting point. They give you a rough idea of what may be possible.

But they are not the same as a bank approval.

A calculator usually asks for simple information such as your income, deposit, expenses, and maybe your existing debts. But banks look much deeper than that.

They want to understand whether you can comfortably afford the loan, not just today, but also if interest rates change or your situation becomes tighter.

That means they will look at things like

• Your regular income
• Your fixed expenses
• Your everyday living costs
• Your existing debts
• Your credit cards
• Your dependents
• Your deposit
• Your account conduct

This is why two people earning the same income can have very different borrowing power.

One person on $100,000 may be able to borrow $650,000. Another person on the same income may only be able to borrow $500,000 or less.

The difference is usually in the details.

Your Income Matters – But So Does What’s Left Over

Banks do not just look at what comes in. They also look at what goes out.

For example, you might earn $100,000 a year, but if you have high personal expenses, car finance, credit card limits, buy now pay later accounts, dependents, or other debts, your borrowing power may be reduced.

That is because the bank wants to know how much money is left over after your normal commitments are paid.

In simple terms, they are asking:

After you pay for everything else, can you still afford the mortgage?

That is the number that really matters.

This is why your salary alone does not tell the full story.

Credit Cards Can Reduce Your Borrowing Power

A lot of people do not realise that credit cards can affect how much they can borrow.

Even if you do not use the full limit, the bank may still assess the card as a potential debt.

For example, if you have a credit card with a $10,000 limit, the bank may factor that into your application, even if you only owe a small amount or pay it off each month.

Why?

Because the limit is still available to you. From the bank’s point of view, you could use that money tomorrow, which may affect your ability to repay a mortgage.

This does not mean you must always cancel your credit card. But it does mean your limits and debts should be reviewed before applying for a home loan.

Sometimes, reducing a credit card limit or clearing certain debts can make a noticeable difference to your borrowing power.

Existing Debt Makes a Big Difference

Personal loans, car finance, student loans, credit cards, buy now pay later accounts and other regular repayments can all affect your borrowing power.

This is because the bank sees these as money already committed elsewhere.

Let’s say two people both earn $100,000.

Person A has no personal debt, low expenses, and a strong savings history.

Person B has car finance, a credit card, buy now pay later repayments, and higher monthly spending.

Even with the same income, Person A may be able to borrow more because they have more surplus income available for mortgage repayments.

This is why it is worth reviewing your financial position
before you apply.

Dependents and Household Costs Also Matter

If you have children or other people financially dependent on you, the bank will factor that in.

This is not a bad thing – it is simply part of responsible lending.

A single person earning $100,000 may be assessed differently
from a parent earning $100,000 with two children. The income may be the same, but the household costs are different.

Banks are trying to understand the real cost of running your household.

That includes everyday expenses such as food, utilities, insurance, transport, childcare, school costs and general living costs.

Again, this is why a simple calculator cannot give you the full picture.

Your Deposit Also Plays a Role

Your deposit affects both what you can buy and how the bank views your application.

The larger your deposit, the lower the bank’s risk. A bigger deposit may also give you more options when it comes to lenders and loan structure.

For example, if you are looking at an $800,000 home and you have a 20% deposit, that means you have $160,000 saved and may need to borrow $640,000.

If you have a smaller deposit, you may still have options, but the bank may assess the application differently. There may also be additional requirements depending on the lender, loan type and your wider financial position.

This is where proper advice can help.

A mortgage broker can look at your deposit, income, expenses and goals, then help you understand what may be possible.

Why Your Real Borrowing Power Could Be Higher or Lower

The $500,000 to $650,000 range is only a rough guide for someone earning around $100,000.

Your actual number could be different.

You may be able to borrow more if you have:

• A strong deposit
• Low expenses
• Minimal personal debt
• Good account conduct
• Stable income
• A strong savings history
• No major credit issues

You may be able to borrow less if you have:

• High living costs
• Credit card debt
• Car finance or personal loans
• Dependents
• Inconsistent income
• Poor account conduct
• A smaller deposit
• Recent missed payments

This does not mean you cannot buy a home if your situation is not perfect.

It simply means your application needs to be looked at properly.

Why a Mortgage Broker Can Help

A mortgage broker does more than just put your income into a calculator.

A good broker will look at your full financial position and
help you understand what lenders are likely to consider.

They can help identify what matters, what can be explained, and what may need to be improved before applying.

For example, a mortgage broker may look at:

• Whether your credit card limits are affecting your borrowing
• Whether existing debts should be reduced first
• How your expenses are being viewed
• Which lenders may suit your situation
• Whether your income is being assessed correctly
• Whether your deposit gives you enough options
• How to present your application properly

Different lenders can assess things differently. What one bank says no to, another lender may look at differently depending on the details.

That is why it is important not to rely on guesswork.

It’s Not About What You Think You Can Borrow

This is one of the biggest misunderstandings when buying a home.

You might look at your income and think, “I should be able to borrow this much.”

But the real question is not what you think you can borrow.

The real question is: What will the bank actually approve?

That approval depends on your full financial picture.

This is why it is better to understand your borrowing power
early before you start going to open homes, making offers, or falling in love with a property that may not fit your numbers.

Get Your Numbers Checked Early

If you are thinking about buying a home, one of the best things you can do is get your numbers checked early.

You do not need to wait until you have found the perfect property.

In fact, it is better to understand your position first.

That way, you know what price range to look at, what your repayments may look like, and whether there is anything you need to tidy up before applying.

Sometimes, a few small changes can make a difference.

That might mean reducing a credit card limit, paying down a loan, improving savings behaviour, or waiting a little longer to build a stronger deposit.

The earlier you know, the better prepared you will be.

In this video, our director Mils Muliaina breaks down what someone on a $100,000 income may actually be able to borrow and why the answer depends on more than just salary.

If you want to know your real borrowing power, send us a message.

Our advice is free, and we can help run the numbers with
you.

This article is general information only and does not take into account your personal financial situation. For personalised advice, speak with a qualified financial adviser.