Budgeting for NZ first home buyers — deposit, KiwiSaver, and what it actually costs

Buying a first home in New Zealand in 2026 is hard. Prices are high, the First Home Grant was scrapped in 2024, and for most Kiwis, the deposit is the single biggest financial challenge they'll face. But the path exists — and it starts with getting very clear on your target number.

TL;DR: A 20% deposit on the national median NZ house price ($788,000 in March 2026) is $157,600. In Auckland, that's $208,000. KiwiSaver is your biggest savings weapon — after 3 years you can withdraw almost all of it with no income or price caps. The First Home Loan lets you buy with just 5% down (income caps apply). The key is setting a specific savings target and knowing exactly how far away you are.

Step 1: Know your deposit target

The deposit is what most first home buyers fixate on — for good reason. It determines whether you can buy, how much you'll borrow, and how much interest you'll pay over the life of the mortgage.

What you need:

A standard home loan in New Zealand requires a 20% deposit from most lenders. On current prices, that means:

Region	Median house price (March 2026)	20% deposit needed
National	$788,000	$157,600
Auckland	$1,040,000	$208,000
Christchurch	~$700,000	~$140,000

The 5% option — First Home Loan:

If you meet the income criteria, Kāinga Ora's First Home Loan lets you buy with just a 5% deposit, with the government underwriting the loan. That changes the Auckland maths from $208,000 to $52,000 — still significant, but a realistic savings goal for most people.

The First Home Loan has income caps ($95,000 for individuals, $150,000 for couples as of 2026) and regional house price caps (e.g., approximately $875,000 in Auckland). If you're within those limits, it's worth exploring with a mortgage broker.

Step 2: Factor in KiwiSaver

KiwiSaver is the most powerful tool available to NZ first home buyers, and many people underestimate how much it can contribute to a deposit.

The rules (2026):

You must have been a KiwiSaver member for at least 3 years
You can withdraw all but $1,000 of your balance
There are no income caps and no house price caps on the KiwiSaver withdrawal itself
The property must be your first home and you must intend to live in it

Important: The First Home Grant — which previously added up to $10,000 on top of a KiwiSaver withdrawal — was discontinued in May 2024. There is no equivalent replacement. KiwiSaver withdrawal and the First Home Loan are the two main government-backed tools remaining.

What your KiwiSaver might look like:

If you've been contributing 3% of a $60,000 annual salary for 5 years, your KiwiSaver balance (including employer contributions and member tax credits) might be in the range of $15,000–$25,000 depending on fund performance. That's a meaningful slice of a 5% deposit, and sometimes a significant portion of a 20% deposit.

The key action: check your actual KiwiSaver balance now and factor it into your deposit calculation. It's not "retirement money" until you've used the first-home withdrawal option — treat it as part of your deposit savings.

Step 3: Calculate how long it will take

Once you know your target deposit and your KiwiSaver balance, the question becomes: how much do you need to save additionally, and how long will that take?

Example:

Target: 5% deposit on a $650,000 Wellington property = $32,500
KiwiSaver balance available: $18,000
Additional savings needed: $14,500
Savings rate: $400/fortnight = $10,400/year
Time to reach the additional savings: approximately 17 months

This is the number that matters. Not "I want to buy a house" — but "I need $14,500 more, and at $400/fortnight, I'll have it in 17 months."

The difference between a vague savings goal and a specific timeline is what makes it achievable. When you know the month, you can work backward to the amount per fortnight.

Step 4: Understand the ongoing costs after you buy

Saving the deposit is the first challenge. The second is understanding that owning a home is more expensive month-to-month than renting, once all costs are included.

A realistic picture for a first home buyer:

Assume a $650,000 home with a 5% deposit (First Home Loan):

Mortgage: $617,500 at 4.49% (1-year fixed, current rate) ≈ $780–$820/week
Rates (council): typically $40–$80/week depending on region and property
Home and contents insurance: approximately $30–$60/week
Maintenance and unexpected repairs: budget $50–$100/week on average (the "1% rule" — set aside 1% of property value per year for maintenance)

Total ownership costs: approximately $900–$1,060/week — often comparable to or higher than renting a similar property.

This doesn't mean buying is wrong. But it does mean your post-purchase budget needs to be reworked from scratch. The mortgage payment is not the only new cost; rates, insurance, and maintenance are real and recurring.

Step 5: Build your deposit savings plan

With a target, a timeline, and your KiwiSaver factored in, the final step is making the savings automatic and tracking your progress.

The mechanics of saving for a deposit:

Open a dedicated savings account — keep deposit savings separate from your everyday account. High-interest savings accounts or term deposits earn meaningful returns while you're building toward the goal.
Automate the transfer on payday — the same day your pay lands, transfer your deposit savings contribution. Don't leave it as a "whatever's left" decision.
Track your KiwiSaver balance alongside your savings — your total deposit progress is KiwiSaver balance (minus $1,000) plus your separate savings. Keep both in view.
Set a specific review date — every 3 months, check where you are against your timeline. Life changes; the plan can be adjusted. What matters is that the trajectory is visible.

How much to save:

There's no universal answer, but a useful frame: what's the most you can transfer on payday without it affecting your ability to cover bills and live normally? That's your savings rate, not what a rule says it "should" be.

If you can manage $200/fortnight, that's $5,200/year. At $400/fortnight, $10,400/year. Most people find the savings rate they can sustain consistently beats a higher rate they give up after two months.

The KiwiSaver contribution decision

One active choice worth making: your KiwiSaver contribution rate. Most people are on the default — which moves from 3% to 3.5% from April 2026. The options are 3%, 4%, 6%, 8%, or 10%.

For a first home buyer who plans to use KiwiSaver as part of the deposit, a higher contribution rate accelerates the balance. On a $65,000 salary:

Contribution rate	Annual KiwiSaver contribution	Extra over 3.5%
3.5% (new default)	$2,275	—
6%	$3,900	+$1,625/year
8%	$5,200	+$2,925/year

The trade-off: higher contributions reduce your take-home pay. Only increase the rate to a level that doesn't force you to rely on credit to cover essentials.

What the first year of homeownership actually looks like

Most first home buyers are surprised by how different the budgeting feels after settlement. A few things that catch people off guard:

Rates bills arrive quarterly — often $800–$1,500 per bill. If you haven't budgeted for them, the first one can be a shock.

Maintenance starts immediately. Even a well-inspected home will have something within the first six months — a hot water cylinder, a leaking tap, a fence. Budget for it from day one.

The mortgage isn't always what you fixed at. When your fixed rate expires (typically 1–2 years), you refix at the current rate. In 2026, rates are meaningfully lower than the 2023–2024 highs — but they can move in either direction.

Using Owdyn's Goals for deposit tracking

Owdyn's Goals feature is designed for exactly this kind of long-horizon target. You set the goal amount, the target date, and connect it to your savings account balance. The app shows your progress, what you need to save per fortnight to stay on track, and updates as your balance grows.

If you pair that with your Safe-to-Spend number, you can see at any given moment: "here's what I can spend today, and here's how my deposit goal is tracking." Both numbers live in the same place. Try it free at owdyn.com.

Frequently Asked Questions

How much deposit do I need for a first home in NZ?

Standard home loans in NZ require a 20% deposit. On the national median price of $788,000 (March 2026), that's $157,600. In Auckland (median $1,040,000), that's $208,000. If you qualify for the First Home Loan (income caps: $95,000 individual / $150,000 couple), you can buy with just 5% down, subject to regional price caps.

Can I use KiwiSaver to buy my first home in NZ?

Yes. After 3 years of KiwiSaver membership, you can withdraw almost your entire balance (all but $1,000) to use as part of a first home deposit. There are no income caps or house price caps on the withdrawal itself. It's the single most powerful tool available to NZ first home buyers in 2026.

Is the First Home Grant still available in NZ?

No. The First Home Grant was discontinued in May 2024. It is no longer available to new applicants. The two main government-backed tools remaining are the KiwiSaver first home withdrawal and the First Home Loan (5% deposit, income and price caps apply).

How long does it take to save a house deposit in NZ?

It depends on your savings rate and your target. Using the First Home Loan (5% deposit) on a $650,000 home, the deposit is $32,500. If you have $15,000 in KiwiSaver, you need $17,500 more. At $400/fortnight ($10,400/year), that's under 2 years. At 20%, the same house needs $130,000 — a very different timeline. The First Home Loan route dramatically shortens the deposit-saving period for eligible buyers.

What other costs should first home buyers budget for in NZ?

Beyond the deposit: mortgage repayments, council rates (typically $3,000–$6,000/year), home and contents insurance ($1,500–$3,000/year), maintenance (budget ~1% of property value per year), legal fees for the purchase ($1,500–$3,000 one-off), and a building inspection ($500–$1,000). These ongoing costs should be stress-tested at a higher mortgage rate than your initial fix, in case rates move up at renewal.