Buying a First Home With a Partner in NZ (2026): Combining KiwiSaver and Protecting Two Incomes

Two partners can each withdraw their KiwiSaver for the same first home if both meet the 3-year rule and each leaves $1,000 behind. Here is how to combine the deposit and protect a two-income mortgage.

Buying your first home with a partner usually means two KiwiSaver accounts, two incomes, and one mortgage that depends on both. That is a real advantage on the deposit and a real risk on the loan. This guide to buying a first home with a partner using KiwiSaver in NZ covers how a couple combines two KiwiSaver first-home withdrawals, what happens when only one of you has hit three years' membership, and why a two-income mortgage needs cover on both lives, not just the higher earner.

TL;DR: Two partners buying together can each make a KiwiSaver first-home withdrawal from their own account, provided each has been a member for at least 3 years and each leaves a minimum of $1,000 behind. Eligibility is assessed per person, so two balances combine into one deposit. But a two-income mortgage means both incomes need protecting. ¹²

Can both partners use KiwiSaver for the same first home?

Yes. The KiwiSaver first-home withdrawal is assessed per person, not per household. If you are both buying the property and you each individually qualify, you can each apply from your own account and pool the proceeds into the same deposit. ²

To withdraw, each of you must meet the same two core conditions:

• You have been a KiwiSaver member for at least 3 years. ¹¹²
• You leave a minimum of $1,000 in your KiwiSaver account after the withdrawal. ¹¹²

That $1,000 floor applies to each person separately. So a couple buying together leaves $2,000 in total across the two accounts, not $1,000. This can catch people out at settlement when the lawyer's trust-account figure comes in slightly under what was expected. ¹

Both partners must also be first-home buyers (or treated as such under the "previous home owner" pathway via Kāinga Ora), and both must intend to live in the property. The withdrawal is for owner-occupiers, not investment buyers.

Some people assume only one partner can use their KiwiSaver. In fact both can, which often means a meaningfully larger deposit.

What if one partner doesn't have 3 years' membership yet?

This is a common mismatch. One partner may have joined KiwiSaver as a teenager through a part-time job, while the other only enrolled when they started their first salaried role a year or two ago. The three-year clock runs from your first contribution, not from a recent provider switch.

If only one of you has cleared three years, only that partner can withdraw right now. The other partner's balance stays locked until they hit the threshold. You have three practical options:

1. Buy on the eligible partner's withdrawal plus shared cash savings. The non-eligible partner contributes their share of the deposit from outside KiwiSaver.

2. Wait until the second partner qualifies. If you are 6-12 months out, the extra withdrawal may be worth more than buying immediately, especially given New Zealand house prices were broadly flat across 2025 while sales volumes rose about 10%. A flat market buys you time, and waiting also lets both balances keep growing — the KiwiSaver minimum default contribution rate is rising from 3% to 3.5% on 1 April 2026 and to 4% on 1 April 2028, so a couple on the default rate is building their deposit slightly faster each year. ⁵⁸

3. Restructure who is on the title. Eligibility follows ownership, so this needs legal and lending advice before you commit. ²

Whichever path you take, get the timing modelled before you sign a sale and purchase agreement. Settling shortly before a partner's three-year anniversary can forfeit a withdrawal that could otherwise have been kept.

How do you combine two withdrawals into one deposit?

Each partner applies through their own KiwiSaver provider, and the funds are paid to your solicitor's trust account before settlement, not to you directly. The two withdrawals then sit alongside any cash savings and the First Home Grant (if you qualify) to form the deposit.

The arithmetic is simple once you account for the per-person $1,000 floor: each partner subtracts their own $1,000 minimum balance, and what is left from each account is added together into a single combined deposit. The worked example below shows exactly how that pooling looks for one Christchurch couple.

Worked example: a Christchurch couple pooling two accounts

The figures here follow one continuous scenario — Mike and Anika — used throughout this guide, from pooling their deposit to protecting the mortgage they take on.

Scenario: Mike and Anika are buying a $695,000 first home — a realistic entry-level price in Christchurch, sitting below both the Canterbury median (around $725,000) and the national median (around $775,000) in 2025. They have both been in KiwiSaver for more than three years. ⁷

On a $695,000 purchase, an 80% LVR loan needs a 20% deposit of $139,000. The combined KiwiSaver withdrawal of $77,000 plus cash savings gets them most of the way there. Standard Reserve Bank rules cap most new owner-occupier lending at 80% of the property value, with only 25% of a bank's new lending allowed above that line, so the deposit you can assemble genuinely determines which homes are in reach. ⁹

A First Home Grant or a low-deposit loan can change the maths, but the principle holds: two qualifying KiwiSavers do real work on the deposit. To see roughly how far your two balances stretch against an 80% deposit before you talk to anyone, run the numbers through Sorted's first-home deposit and KiwiSaver calculator. Then see our KiwiSaver first-home withdrawal service for how we run the eligibility and timing check.

Which fund should a first-home saver be in?

If your purchase is one to three years away, a market dip just before you withdraw can cost you the deposit. For that reason advisers typically point first-home savers towards conservative or cash KiwiSaver funds rather than growth, accepting lower long-run returns for a smoother ride into settlement.

Figures before tax, after fees. Sources: Sorted Smart Investor, the Simplicity KiwiSaver Scheme Annual Report 2025, and the ANZ and Booster fund updates for the quarter to 31 March 2026. These are a snapshot of a handful of low-cost conservative options, not the full market. The right tool for comparing every KiwiSaver fund's fees and returns side by side is Sorted Smart Investor, the FMA / Retirement Commission database covering Milford, Booster, Generate, Fisher Funds, Kernel and the rest. Pull live figures for each provider before you switch, and remember the PIR you sit on (10.5%, 17.5% or 28%) changes your after-tax return too. ⁶

Why does a two-income mortgage need cover on both lives?

When two incomes service one mortgage, the loan was approved on the assumption that both of you keep earning. Lose one income and the repayments do not halve, the bank's expectation does not change, and the house is still on the line.

New Zealand is one of the least insured countries in the OECD. Only around 35% of adults hold any form of life insurance, and Swiss Re estimates almost two thirds of households carry some degree of mortality protection gap, with a per-household shortfall of more than $540,000. For a young couple who have just taken on a $500,000-plus mortgage, that gap is not abstract. ¹⁰¹¹

The two products that do the heavy lifting:

• Life insurance clears the mortgage if one of you dies, so the survivor keeps the home rather than the bank. ¹¹
• Income protection replaces a share of income if illness or injury stops one of you working, so the repayments keep getting made while you recover.

For a two-income mortgage, the time to structure cover is the day you sign, not the day something goes wrong.

What happens to the mortgage if one income stops?

Walk it through honestly before you borrow. Two scenarios cover most of the real risk.

Worked example: the survivor's mortgage

Scenario: Continuing the same couple, Mike and Anika settle on their $695,000 home with a $556,000 mortgage. Mike earns $85,000, Anika $72,000, and the bank approved the loan on both salaries together. Repayments are built on both incomes.

A single income rarely stretches to cover a mortgage approved on two. The bank may grant a short hardship period, but that is a deferral, not a solution. The structural fix is to insure each income for the share of the mortgage it supports. Our income protection service covers how benefit and wait periods are set.

How do advisers structure cover so neither partner is left exposed?

The goal is simple: if either income stops, the home is safe. Getting there for a couple usually means matching cover to the loan and to each person's role in servicing it, not buying two identical off-the-shelf policies.

• Life cover sized to the mortgage on each life. Often the full loan balance on each partner early on, reducing as the principal falls, so whoever survives is mortgage-free.
• Income protection on both earners, including the lower earner, whose income may still be the difference between keeping and losing the house.
• A wait period matched to your emergency fund. A longer wait period lowers the premium if you hold three months of expenses in cash.
• Cover reviewed at every life change — a new baby, a renovation top-up, a pay rise. Young families especially need this; see our note on advice for young families.

Cover can be compared across the major NZ insurers rather than tied to one in-house product, and the mix structured so premiums fit the budget the mortgage left you. For the mechanics of cover sizing, see our life insurance service.

Your couple's first-home checklist

01. Confirm each partner's KiwiSaver join date and check you have both cleared 3 years' membership. ¹

02. Get both balances and subtract $1,000 each to find your true combined withdrawable deposit. ¹

03. If a purchase is 1-3 years out, review whether each of you is in a conservative or cash fund for the run-up. ⁶

04. Model the deposit against an 80% LVR target so you know which price band is realistic under current lending rules. ⁹

05. Size life cover to the mortgage on each life so the survivor keeps the home. ¹¹

06. Put income protection on both incomes, with wait periods matched to your savings.

Frequently asked questions

Can my partner and I both use our KiwiSaver for the same house? Yes. Eligibility is assessed per person. If you are both buying the property and each of you has at least 3 years' membership, you can each withdraw from your own account and combine the funds into one deposit. Each of you must leave $1,000 behind. ¹²

Do we each have to leave $1,000 in our KiwiSaver, or just $1,000 between us? Each person leaves a minimum of $1,000. A couple buying together leaves $2,000 in total, $1,000 in each account. ¹

What if only one of us has been in KiwiSaver for 3 years? Only the partner who has cleared three years can withdraw. The other's balance stays locked until they hit the threshold. You can buy on the eligible partner's withdrawal plus shared cash, or wait until the second partner qualifies. ¹¹²

Why do we need life insurance on both of us if only one is the main earner? The mortgage was approved on both incomes. If the lower earner dies or can't work, the higher earner often still can't cover the full repayment alone. Cover on both lives keeps the home safe whichever income stops. ¹⁰¹¹

What fund should we be in while saving for a first home? With a purchase one to three years away, advisers typically favour conservative or cash KiwiSaver funds to reduce the risk of a market dip just before withdrawal. Compare fees and returns for every provider on Sorted Smart Investor before switching. ⁶

Does the KiwiSaver government contribution still help us save the deposit? It still helps but is smaller from 1 July 2025. The rate is now 25c per $1 contributed, to a maximum of $260.72 a year (requiring $1,042.86 of member contributions), and is not paid above $180,000 of taxable income. ³⁴

General information, not personalised financial advice. Seek advice tailored to your situation before acting. Craig Smith Business Services Ltd (FSP712931), trading as Smiths Financial, holds a Class 2 licence issued by the Financial Markets Authority and is a member of the Financial Dispute Resolution Service (FDRS). Written by Henry Smith, Financial Adviser; reviewed by Craig Smith, Principal Adviser. Last reviewed 16 June 2026.