5% Deposit Calculator NZ | First Home Loan Guide

The 5% scheme rules summary – quick recap

The short version: as of 2026, a Kāinga Ora First Home Loan lets eligible buyers purchase with a 5% deposit, no First Home Loan house price cap, and a 1.2% Lenders’ Mortgage Insurance premium for new applications made after 1 July 2025, but income caps, owner-occupier rules, land-size limits and lender servicing still apply.

This article is the calculator companion to our main 5% scheme guide. The current rule set on the Kāinga Ora First Home Loan page and brochure is clear: you must be over 18, be a New Zealand citizen, permanent resident, or resident visa holder ordinarily resident in New Zealand, buy to live in the home, not own other property or land, and keep the property under 1 hectare (as of 2026).

Calculator shortcut: enter the purchase price, then the calculator shows the 5% deposit, the base loan, the 1.2% premium and an indicative monthly repayment. For Canterbury buyers, that turns a policy summary into a usable planning number.

The part many buyers miss is that First Home Loan house price caps were removed on 1 June 2022. In 2026, the real gatekeepers are the income cap, the lender’s servicing model, and the practical costs around settlement. That matters in Canterbury, where section size, house type, and whether you are buying in Christchurch or Selwyn can change the numbers fast.

Another useful technical detail is that the Reserve Bank of New Zealand (RBNZ) says Kāinga Ora loans, including First Home Loans, are exempt from standard loan-to-value ratio restrictions and debt-to-income restrictions. That does not mean automatic approval. It means the bank can still assess the loan outside those speed limits, then apply its own credit, expense and servicing checks.

For the worked examples below, we use a 30-year principal-and-interest loan and an illustrative 5.00% interest rate (as of 2026). The RBNZ’s Official Cash Rate was 2.25% on 8 April 2026 according to the official OCR page, but your bank’s actual rate and test rate can differ. Treat the repayment figures as planning numbers, not a loan quote.

Quick calculator rule: every extra $10,000 of purchase price adds $500 of minimum deposit and roughly $52 a month of repayments when you borrow at 95% and capitalise the 1.2% premium at 5.00% over 30 years (as of 2026).

Eligibility checklist

The practical checklist is simple: if your income, ownership history, residency status, deposit mix and property type all line up, you are usually worth taking to a participating lender for a real assessment.

• Income cap: your gross before-tax income from the last 12 months must be no more than $95,000 for one buyer or $150,000 for two or more buyers (as of 2026).
• First-home status: you must be a first-home buyer, or a previous home owner in a similar financial position to a first-home buyer under Kāinga Ora’s rules (as of 2026).
• Residency: you must be a New Zealand citizen, permanent resident, or resident visa holder who is ordinarily resident in New Zealand (as of 2026).
• Deposit: the minimum deposit is 5% (as of 2026), and Kāinga Ora says this can include savings, gifts, and a KiwiSaver first-home withdrawal.
• KiwiSaver duration: KiwiSaver is not required for the loan itself, but the Inland Revenue first-home withdrawal rules still require at least 3 years of KiwiSaver membership and you must leave $1,000 in the account (as of 2026).
• Property rules: the home must be owner-occupied, in New Zealand, and under 1 hectare (as of 2026). In Selwyn, this is a real tripwire for buyers looking at lifestyle property rather than a normal residential section.
• Lender rules: even with Kāinga Ora backing, you still need to pass the bank’s servicing, debt and credit checks. Credit card limits, car loans and buy-now-pay-later debt all matter.

If you were hoping to stack a grant on top, note that the First Home Grant closed to new applications on 22 May 2024, as confirmed by the Government’s closure announcement. In 2026, most buyers are pairing First Home Loan with KiwiSaver, cash savings and gifts instead.

Worked example for Christchurch: $650,000 purchase, $140,000 dual income

For a $650,000 Christchurch purchase price and a dual gross income of $140,000, the headline scheme test works: the couple is under the $150,000 combined income cap and the 5% deposit route is available in principle (as of 2026).

Calculator inputs: purchase price $650,000, deposit rate 5%, premium rate 1.2%, term 30 years, example rate 5.00%.

• Purchase price: $650,000 (as of 2026).
• Minimum deposit: 5% x $650,000 = $32,500 (as of 2026).
• Base loan: $650,000 – $32,500 = $617,500 (as of 2026).
• Scheme premium: 1.2% x $617,500 = $7,410 (as of 2026).
• Loan if the premium is added to the mortgage: $624,910 (as of 2026).
• Estimated repayment: about $3,355 a month at 5.00% over 30 years (as of 2026).
• Total cash needed if the premium is paid upfront: about $39,910 plus legal, valuation and lender fees (as of 2026).

Calculator output: the minimum cash deposit is $32,500, the premium is $7,410, and the mortgage payment lands at about $3,355 a month if the premium is added to the loan. On $140,000 of gross household income, that repayment is about 28.8% of gross monthly income before rates, insurance, utilities and other debt (as of 2026). That is the calculator point in one line: the 5% scheme can solve the deposit problem faster, but it does not remove the servicing problem.

We see that every week in Christchurch. Our team has delivered 100+ homes across Canterbury since 2010 (as of 2026), and our pricing conversations with first-home buyers often start with the same worksheet: price, deposit, premium and monthly carry. At Four Seasons Estate in Wigram, our current townhouse pricing starts from $617,000 (as of 2026), which implies a 5% deposit of $30,850 (as of 2026). If you want the calculator version specific to a local new-build search, start with our Christchurch 5% new-build guide.

Worked example for Selwyn: $720,000 purchase

In Selwyn, the bigger 2026 issue is usually not a Kāinga Ora price cap: it is the larger loan size running into the same $150,000 joint income cap and the bank’s servicing test.

Calculator inputs: purchase price $720,000, deposit rate 5%, premium rate 1.2%, term 30 years, example rate 5.00%.

• Purchase price: $720,000 (as of 2026).
• Minimum deposit: 5% x $720,000 = $36,000 (as of 2026).
• Base loan: $720,000 – $36,000 = $684,000 (as of 2026).
• Scheme premium: 1.2% x $684,000 = $8,208 (as of 2026).
• Loan if the premium is added to the mortgage: $692,208 (as of 2026).
• Estimated repayment: about $3,716 a month at 5.00% over 30 years (as of 2026).
• Total cash needed if the premium is paid upfront: about $44,208 plus legal, valuation and lender fees (as of 2026).

Against the Christchurch example, the Selwyn purchase adds $3,500 to the minimum deposit, $798 to the scheme premium, and about $361 a month to repayments (as of 2026). That is why the same household can look comfortable at one price point and suddenly tight at another.

The date that matters here is 1 June 2022, because that is when First Home Loan house price caps were removed. So if a Selwyn deal feels harder in 2026, the issue is not usually Kāinga Ora saying the property is too expensive for the scheme. It is usually the income rule, the bank’s test rate, or the simple fact that bigger family homes cost more to carry each month.

You can see that in our own Selwyn stock. Our Prebbleton homes start from $849,000 (as of 2026), where the 5% deposit marker becomes $42,450 (as of 2026) before legal costs and lender fees. In other words, Selwyn buyers often need a stronger income or a larger KiwiSaver balance even when the headline deposit percentage is unchanged. That is the same calculation our team uses when comparing compact Wigram townhouses with larger family homes in Prebbleton.

How to maximise it alongside KiwiSaver

The best way to use the 5% scheme in 2026 is to sequence it properly: confirm income eligibility first, then line up deposit sources, then match the property choice to what the bank will actually service.

1. Check the rolling 12-month income first. The cap is based on gross income over the previous 12 months, not take-home pay and not your expected future salary.
2. Build the 5% deposit from multiple sources. Savings, gifts and KiwiSaver withdrawal can all help, which is often the difference between waiting another year and being ready now.
3. Treat KiwiSaver as a timing issue, not just a balance issue. You need at least 3 years of membership for the withdrawal, and each withdrawing member must leave $1,000 in the account (as of 2026).
4. Ask early if your lender allows a First Home Loan for a build or turnkey purchase. Kāinga Ora notes that some participating lenders may allow this, but lender policy is not uniform, and the settlement timing changes the repayment line in your calculator.
5. For a new build, confirm the paperwork path early. MBIE says all building work must meet the New Zealand Building Code, while Christchurch City Council and Selwyn District Council both publish the consent and Code Compliance Certificate steps that can affect settlement timing.

In practical Canterbury terms, that means a buyer using KiwiSaver and a 5% loan on a compact Wigram townhouse may have a very different path from a buyer trying to stretch into a larger family package in Prebbleton. The deposit percentage is the same. The monthly carry, timing risk and documentation burden are not.

Common disqualifiers

Most failed 5% applications do not fail on the deposit percentage itself: they fail on income, ownership history, land size, occupancy rules or ordinary bank servicing.

• Income above the cap: one partner earning too much, or a combined income over $150,000, is a direct fail for a multi-buyer application (as of 2026).
• Current property or land ownership: owning a home, investment property, bare section or other land usually rules you out.
• Property over 1 hectare: this is common around outer Canterbury and catches buyers looking at lifestyle blocks.
• Not intending to live in the home: First Home Loan is for owner-occupiers, not investors.
• Weak servicing or poor credit: missed payments, high unsecured debt and overcommitted monthly spending can still sink the deal even though the scheme is Kāinga Ora-backed.
• KiwiSaver confusion: being under 3 years in KiwiSaver does not block the First Home Loan, but it can block your KiwiSaver withdrawal and leave you short of deposit.

One nuance matters here: a previous home ownership history is not automatically fatal, but current ownership usually is. If you have owned before and are now in a similar financial position to a first-home buyer, ask a participating lender to assess that point properly instead of assuming you are out.

What to do if you’re close but not under the cap

If you miss the rules by a small margin, do not force the application: the smart move is usually to change timing, structure or property price rather than hope the bank ignores the numbers.

• Wait for the rolling 12-month income to change. A one-off bonus, overtime spike or contract payment can push you over the cap now and disappear from the test later.
• Pay down consumer debt first. Even though First Home Loans are exempt from RBNZ DTI and LVR settings, banks still assess actual monthly serviceability.
• Lower the purchase price. On our example settings, each $10,000 you shave off the price saves $500 of minimum deposit and about $52 a month in repayments (as of 2026).
• Use gifts and KiwiSaver well. Stronger deposit composition can improve the bank’s view of the file, even if it does not change the income cap itself.
• If you are over the First Home Loan income cap, look at standard low-deposit lending on eligible new builds. The RBNZ keeps Kāinga Ora loans exempt and also gives special treatment to construction lending and some newly built homes, which is why our LVR exemption deep-dive is worth reading before you give up on the 5% path.

We see this often in Christchurch and Selwyn. A household can be slightly too far over the First Home Loan income cap, but still workable for a standard bank application on a well-specified new build if the deposit, expenses and contract structure are strong enough. That is especially relevant if you are comparing a townhouse in Wigram with a larger family home in Selwyn.

FAQ

These are the five questions we hear most from Canterbury first-home buyers using the 5% route.

Does income include bonus or commission?

Usually yes, because Kāinga Ora tests gross before-tax income from the last 12 months (as of 2026). In practice, lenders may still discount irregular bonus or commission income when they run their servicing assessment, so treat variable income cautiously.

Can I use joint income with someone who is not my spouse?

Usually yes. Kāinga Ora talks about one buyer versus two or more buyers, not spouse-only applications. The key points are that all borrowers must be eligible, the combined gross income must be $150,000 or less (as of 2026), and the bank must be comfortable with the structure.

What if my partner is overseas?

That can be tricky. If your partner is part of the application, they still need to meet the citizenship or residency rules and the ordinarily resident requirement. If they do not, the application can fail even if the income looks fine.

Can self-employed buyers apply?

Yes, the scheme does not exclude self-employed buyers. The practical issue is evidence. Lenders usually want accounts, tax returns or other proof of income, and may average or haircut that income even though the scheme rule itself looks at the last 12 months.

Does First Home Loan count for second-time buyers?

Yes, in some cases. Previous home owners can still qualify if they are now in a similar financial position to a first-home buyer and do not currently own property or land. That point is assessed case by case, so it is worth asking the lender to check rather than self-declining.

Pre-qualify your 5% deposit eligibility with Tailored Homes. We have been building across Christchurch and Canterbury since 2010 and have delivered 100+ homes (as of 2026), from Wigram townhouses to Selwyn family homes. We are builders and developers, not mortgage brokers, but we can help you pressure-test price points, fixed-price contracts, plans, specifications and build timing before you commit to the wrong purchase.