How much deposit do I need to buy a house in NZ?

Mortgage Advice with Platinum Mortgages

If you are buying a home you intend to live in, a 20% deposit is generally the preferred target in New Zealand .  It is not an absolute requirement. It commonly provides the widest choice of lenders, access to more favourable pricing and cashback offers, and usually avoids low-equity costs or premiums. However, depending on their circumstances, some first-home buyers may qualify with a 5%, 10% or 15% deposit.

Having the minimum deposit does not guarantee mortgage approval. Your income, debts, expenses, credit conduct, property and chosen lender must also fit.

You should not assume that you need, or will qualify with, one particular deposit percentage. Reviewing your complete position can help establish which deposit pathways may realistically be available to you.

Before deciding that you are ready to buy, or still years away, it is important to establish:

  • how much usable deposit you actually have;
  • which deposit pathway may apply;
  • what a smaller deposit could cost;
  • how much you may be able to borrow; and
  • whether the deposit is really the issue holding you back.

This guide is only about the deposit for a home you intend to live in. It does not explain rental-property deposit requirements. If you are buying a rental, read our investment-property deposit guide.

 

House model and savings jar representing a first-home deposit in New Zealand

How Much Deposit Do First-Home Buyers Usually Need?

The deposit you need depends on the lender, your complete financial position and the home you want to buy.

Deposit for a home you will live in What it may mean
20% deposit Generally the preferred target for an owner-occupied home. It commonly provides the widest choice of lenders, access to more favourable pricing and cashback offers, and usually avoids low-equity costs or premiums.
10% deposit Some banks and lenders may consider an application, depending on their current low-deposit capacity, lending criteria, the property and the strength of your overall position. Additional interest-rate costs, fees or conditions may apply.
5% deposit A narrower pathway. Eligible first-home buyers may be able to use the Kāinga Ora First Home Loan, while limited lender-specific or family-supported options may also exist. A 5% deposit is not a market-wide promise of approval.

A larger deposit normally reduces the amount you need to borrow. It can also provide more lender choice and a greater buffer if the lender values the property below the price you agreed to pay.

When a 5% First-Home Deposit May Be Possible

Eligible first-home buyers may be able to purchase a home they intend to live in with a 5% deposit through the Kāinga Ora First Home Loan.

Meeting the scheme’s eligibility requirements does not guarantee mortgage approval. A participating lender must still approve both the borrower and the property under its lending criteria.

The Kāinga Ora First Home Loan is not necessarily the only potential 5% pathway. Some lenders may also consider eligible first-home buyers with a 5% deposit outside the Kāinga Ora scheme. This depends on the applicant’s circumstances and the lender’s current criteria.

This may be relevant to buyers who exceed Kāinga Ora’s household-income caps or do not satisfy another scheme requirement. Five-percent lending remains more restricted than lending with a larger deposit, and availability can change.

Read our First Home Loan guide for the Kāinga Ora scheme’s eligibility requirements, possible costs and application pathway.

CHECK YOUR FIRST-HOME DEPOSIT OPTIONS

How to Calculate the Deposit for a Home You Will Live In

To calculate a deposit, multiply the intended purchase price by the deposit percentage.

For example:

Price of the home you intend to live in 5% deposit 10% deposit 20% deposit
$600,000 $30,000 $60,000 $120,000
$800,000 $40,000 $80,000 $160,000
$1,000,000 $50,000 $100,000 $200,000

These figures show the deposit arithmetic only. They do not establish how much a lender will approve or whether a particular deposit pathway is available.

If a registered valuation is lower than the agreed purchase price, the lender will generally calculate its lending against the lower value. You may therefore need to contribute a larger deposit.

A lower valuation is not necessarily the end of the purchase, but the available response will depend on the buyer, property, contract and lender. A mortgage adviser can help assess whether any appropriate alternatives remain available.

A First-Home Deposit Does Not Determine What You Can Afford

Angela Downie, Financial Adviser at Platinum Mortgages, explains:

“A first-home buyer couple approached me with a $120,000 deposit and wanted to purchase in Hamilton. Because this represented a 20% deposit on a $600,000 property, they believed they would automatically qualify to buy at that price.

However, their deposit was not the constraint. After assessing their income and existing financial commitments, I found that their borrowing capacity supported a purchase price of around $550,000. Having the required deposit did not mean they could afford the mortgage needed for a $600,000 purchase.

Rather than applying prematurely or risking a decline, we worked together over the following six months. They repaid their credit-card debt and closed their Afterpay and Laybuy facilities. This improved their affordability, and six months later they were able to qualify comfortably for the original $600,000 purchase price they wanted.

The lesson is not to assume that having a 10% or 20% deposit automatically means you can afford a property at the corresponding price. Before beginning your property search, establish how much a lender may actually be prepared to let you borrow. Your deposit is only one part of the assessment.”

Why Might an Owner-Occupier Be Approved With a Smaller Deposit?

A home loan above 80% loan-to-value ratio is classified as high-LVR lending.

Under the current Reserve Bank framework, banks may allocate up to 25% of their new owner-occupier lending to loans above 80% LVR. This gives banks some capacity to approve buyers with less than a 20% deposit.

However, this is a limit across a bank’s lending portfolio—not an entitlement for an individual borrower. A bank does not have to use its entire allowance, and it may apply stricter requirements based on the borrower, property and its own lending policy.

Availability can therefore differ between lenders and change over time.

See the Reserve Bank’s current LVR restrictions.

What Changes With a Lower Owner-Occupied Deposit?

A smaller deposit does not simply mean borrowing a larger amount. It can affect the complete lending outcome.

Depending on the lender and pathway, having less than 20% may mean:

  • fewer lenders or loan options;
  • a more detailed assessment of your overall financial position;
  • additional requirements concerning the property;
  • a low-equity margin, premium, fee or different interest-rate pricing;
  • less flexibility if the lender’s valuation is below the purchase price;
  • higher repayments because you are borrowing more; and
  • less equity from the beginning of the loan.

Different lenders price and assess lower-deposit lending differently. Reaching a particular percentage does not tell you which option will provide the most suitable overall result.

Why Your Required Deposit May Differ

The deposit a lender requires can also be affected by:

  • The type of property being purchased.
  • The lender’s current appetite for low-deposit lending.
  • Your credit profile.
  • Your income, debts and overall financial position.
  • The lender’s assessment of the property offered as security.

A standard residential home, apartment, lifestyle property, rural property or bare-land purchase may not receive identical treatment. Different lenders can also assess the same low-deposit application differently, and their appetite can change over time.

For a detailed explanation of possible additional costs, read our guide to low-equity margins and premiums.

What Can Count Towards a First-Home Deposit?

Your deposit may come from more than one source, but the lender will usually need to understand where the money came from and whether any of it must be repaid.

Possible deposit source What needs to be established
Cash savings The available balance, how much will remain for other purchase costs and any evidence required by the selected lender.
KiwiSaver first-home withdrawal Your eligibility, expected withdrawal amount, provider’s process and whether the money will be available when required.
Family gift Whether the money is genuinely non-repayable and what confirmation or documentation the lender requires.
Family loan The repayment terms and how the additional obligation affects your affordability and mortgage application.
Inheritance The amount available, when it will become available and any evidence or documentation required by the lender.
Yellow piggy bank above SAVE blocks representing first-home deposit savings

A family gift, family loan and guarantee are not interchangeable. Each creates different obligations for the buyer and family member.

A family guarantee is not cash added to your deposit. It may provide additional security where the arrangement is acceptable to the lender. Because a guarantee creates legal and financial obligations for the guarantor, read our guarantor home-loan guide before anyone commits.

Using KiwiSaver for Your First Home

If you have been a KiwiSaver member for at least three years, you may be eligible to withdraw most of your savings to purchase your first home. You must generally leave $1,000 in your KiwiSaver account.

Confirm your eligibility, estimated withdrawal amount and required timeframe with your KiwiSaver provider. Your lawyer or conveyancer will also be involved in the withdrawal and purchase process.

See Inland Revenue’s current KiwiSaver first-home withdrawal information.

Financial advisers at Platinum Mortgages provide mortgage advice. They do not provide advice on selecting KiwiSaver investment products.

Your First Home Purchase Deposit and Home-Loan Deposit Are Different

The word “deposit” can refer to two different amounts during a home purchase.

Purchase Deposit

The purchase deposit is recorded in the sale and purchase agreement. Buyers commonly agree to pay around 10% of the purchase price, although the amount and timing depend on the agreement.

Depending on what has been agreed, it may be payable when the agreement is signed or when it becomes unconditional.

Because the sale and purchase agreement is legally binding, have your lawyer or conveyancer review it before you sign.

Home-Loan Deposit

Your home-loan deposit is your total contribution towards the purchase price. The lender uses this amount when calculating the LVR and deciding whether the proposed mortgage fits its requirements.

For example, paying a 10% purchase deposit to the real estate agency does not necessarily mean the lender has approved a mortgage with a 10% deposit. If the lender requires a 20% total contribution, the remaining amount must still be available for settlement.

Read the government-backed Settled guidance on sale and purchase agreements and obtain legal advice before signing.

Test Your Usable Deposit Against a Realistic Purchase Price

A deposit percentage is only useful when applied to a realistic purchase price. The amount shown in your savings account may not be the amount available for the purchase once KiwiSaver timing, family contributions, purchase costs and a reasonable post-settlement buffer are confirmed.

Before assuming that you need to save longer—or that you are ready to start making offers—establish:

  • which funds are confirmed and when they will be available;
  • how much should remain for purchase costs and a financial buffer;
  • what the usable deposit represents at a realistic purchase price; and
  • whether an owner-occupied lower-deposit pathway should be assessed.

The lender must still assess your income, debts, expenses, credit conduct and the proposed property. For those wider considerations, read our guide to mortgage lending criteria in New Zealand.

Are You Financially Ready to Buy Now?

Having some deposit available does not necessarily mean that applying immediately is the right next step.

An assessment may show that you are ready to proceed now, or that waiting another three to six months could place you in a stronger position. That time might be used to improve account conduct, reduce debts, close unused credit facilities, increase savings or adjust the intended property price.

Costs First-Home Buyers Need Outside the Deposit

Your available savings and your usable house deposit may not be the same amount.

Depending on the property and purchase process, you may also need money for:

  • lawyer or conveyancer fees;
  • a building inspection;
  • a LIM report;
  • a lender-required valuation;
  • insurance;
  • moving costs;
  • immediate repairs or essential purchases; and
  • a financial buffer after settlement

Wooden family and house beside a savings jar for a first-home purchase

Avoid Using Every Dollar for the Deposit

A larger deposit can reduce the amount you need to borrow and may improve the lending options available. However, using every dollar of your savings for the deposit can leave you financially exposed after settlement.

Where possible, Angela encourages first-home buyers to retain a cash buffer for legal fees, moving expenses, rates, insurance and unexpected property costs.

As a rough practical guide, she often suggests retaining around $5,000 where the circumstances and property allow. The appropriate amount will differ for every buyer.

Our mortgage-preparation guide explains the wider financial preparation involved before applying or making an offer.

What to Confirm Before Setting Your First-Home Deposit Target

Before relying on a deposit percentage, establish:

  1. Your realistic property price range.
    A deposit percentage is only useful when paired with an affordable purchase price.
  2. Your usable deposit.
    Separate confirmed funds from money that may not be available when required.
  3. The source of every contribution.
    Confirm whether family assistance is a gift, loan or proposed guarantee.
  4. Any costs outside the deposit.
    Allow for legal, property-checking, lending and moving costs.
  5. Whether a lower-deposit pathway is realistically available.
    This depends on the lender, scheme, property and complete application.

How Platinum Mortgages Helps First-Home Buyers Assess Deposit Options

You do not need to approach several banks, nor ask family to commit, before understanding the likely pathways.

Platinum Mortgages can help you establish:

  • how much usable deposit you have;
  • what your deposit represents as a percentage of your intended purchase price;
  • whether 5%, 10% or 20% is a realistic starting point;
  • which lower-deposit pathways may warrant investigation;
  • whether additional costs or conditions could apply;
  • whether the deposit is the actual obstacle;
  • what information should be prepared before an application; and
  • what the most useful next step is if you are not ready yet.

The practical purpose is to understand what is actually holding you back before you apply, change your property target or ask family to commit.

TALK TO A FIRST-HOME LOAN ADVISER

First-Home Deposit Frequently Asked Questions

Do I Always Need a 20% Deposit to Buy a House?

No. A 20% deposit is generally the preferred target for a home you intend to live in, but it is not an absolute requirement. Some buyers may qualify with a smaller deposit. The available pathway depends on the lender, buyer, property and complete application.

Can a First-Home Buyer Purchase a Home to Live In With a 10% Deposit?

Potentially. Some lenders may consider a 10% owner-occupied deposit, but availability and requirements vary. Additional low-equity costs or conditions may apply.

Can a First-Home Buyer Purchase With a 5% Deposit?

Some first-home buyers may qualify for a pathway requiring a 5% deposit. This does not guarantee approval because the scheme or lender must still assess the borrower and property.

Can I Use KiwiSaver as My Whole Deposit?

An eligible KiwiSaver first-home withdrawal may form part or most of your deposit. You must confirm your eligibility and available withdrawal amount with your provider, and other purchase costs may still need to be paid from separate funds.

Is the Deposit in the Sale and Purchase Agreement the Same as My Home-Loan Deposit?

Not necessarily. The purchase deposit is the amount and timing agreed with the seller. Your home-loan deposit is your total contribution used by the lender when calculating the LVR.

Does a Larger Deposit Guarantee Mortgage Approval?

No. A larger deposit can reduce the required loan and LVR, but the lender must still assess affordability, debt, credit conduct and the proposed property.


★ We Are Trusted

Platinum Mortgages New Zealand Limited (FSP752271) is a Financial Advice Provider licensed and regulated by the Financial Markets Authority. Angela Downie (FSP742251) is a Financial Adviser at Platinum Mortgages who provides mortgage advice to New Zealand borrowers under that licence and has worked in the financial industry since 2006.

For first-home deposits, Angela helps buyers establish how much usable deposit they have, whether a lower-deposit pathway is realistic and which issues should be addressed before they apply or make an offer.

Read our client reviews and learn more about Platinum Mortgages’ industry recognition and awards.


This information is general only and does not take account of your individual circumstances. It is not a promise of lending approval. Lending criteria, interest rates, fees, terms and product availability can change.

 

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