Can You Buy an Auckland Investment Property With Less Than a 20% Deposit?

How much of an Auckland investment property deposit do you actually need? Most people assume the rules work like they do for your own home. They don’t. There’s a gap between “what most lenders require” and “what’s actually possible”. Because of it, many would-be investors miss out, or spend months saving a deposit they may not need.

Every week, I speak with Auckland investors who assume they need a 30% deposit. In some situations, though, there are other options. Let’s break down where the numbers really sit, and the situations where a lower deposit — or no cash deposit at all — may be possible.

The Auckland investment property deposit most investors don’t expect

For a standard existing property, the Auckland investment property deposit most lenders require is around 30%, driven by the Reserve Bank’s LVR (loan-to-value ratio) restrictions.

In short, the LVR rules cap how much low-deposit lending a bank can do. For investors buying existing property, lending above 70% of the value is tightly restricted. So in practice, most lenders ask for around 30% equity. That’s the baseline to plan around — and it’s why the “20% is enough” assumption trips people up.

Can you use equity instead of cash?

Many Auckland investors don’t save a cash deposit at all. Instead, they use the equity in their existing home as security for the investment loan. If your home has grown in value, or you’ve paid down your mortgage, that equity can do the job of a cash deposit.

Whether this works depends on three things. First, how much usable equity you have, which lenders work out on part of your home’s value, not all of it. Second, whether your income can service the larger total loan. Third, the lender’s overall assessment. It’s not automatic. Still, for homeowners it’s often the most practical route into an investment property without touching savings.

Exception 1: New builds are generally LVR-exempt

This is the big one. New builds are generally exempt from Reserve Bank LVR and DTI restrictions. However, each lender still applies its own criteria. The exemption exists because the government wants to encourage new housing supply.

What that means in practice:

• → An investor can often purchase a new build with around a 20% deposit, subject to servicing and approval. That’s well under the 30% usually needed for an existing property.
• → In practice, this applies to turnkey purchases and certain construction loans and off-the-plan arrangements.
• → Because new builds also sit outside the DTI restrictions, the income test is generally more flexible too.

If the deposit gap has kept you on the sidelines, start with a new build. It’s subject to lender assessment, and the property must qualify as a new build.

Exception 2: More room for existing properties too

Here’s something that’s genuinely moved in investors’ favour: from 1 December 2025, the Reserve Bank eased its LVR speed limit for investors. As a result, banks can now lend more to investors with 20–30% deposit on existing properties (up from a smaller allowance previously).

A live lender deal worth knowing about

Separately, at least one major lender has a live deal for existing investment properties. It offers up to 90% LVR, or about a 10% deposit, if your debt-to-income ratio is under 7×. Deals like this are lender-specific and apply to current applications only. They can also close without notice. So check with an adviser rather than assuming it applies to you.

A few important caveats either way, because honest expectation-setting matters:

• → Lower-deposit lending on existing properties is allocated within each bank’s own lending quota and can be withdrawn or tightened at any point.
• → The servicing rules stay strict. A debt-to-income (DTI) limit of 7× applies to most investor lending. Lower-deposit loans get no easier ride. Your income still has to support your total borrowing.
• → Additionally, standard responsible-lending and lender approval criteria still apply, and further assessment will be required.

A worked DTI example

DTI (debt-to-income) is the other half of the equation alongside deposit. For investors, the general rule of thumb is:

So, can your investment property deposit be under 20%?

Yes, in several situations:

• 1. New build — generally exempt from LVR and DTI restrictions, often achievable from around a 20% deposit, subject to lender criteria.
• 2. Equity from your existing home — can replace a cash deposit for many homeowners, subject to usable equity, income and lender assessment.
• 3. Existing property at 20–30% deposit — more achievable since the December 2025 easing, with at least one lender’s live deal currently going as low as ~10%, subject to DTI under 7×.

For a standard existing property outside those situations, plan for an investment property deposit of around 30%. The right path depends on your deposit, income, property type and which lender you fit. So map it out before you start house-hunting.

What that looks like in numbers

*Live lender deal current as of July 2026; subject to change without notice. Figures are indicative only, for illustration purposes. Current as of July 2026. Actual deposit requirements vary by lender, property type and individual circumstances. Subject to lender assessment and approval criteria.

Frequently asked questions

Yatin Kainth

Financial Adviser · FSP1007497 · Mortgage Sense (operating under Mortgage Managers)

Yatin founded Mortgage Sense to give Kiwis a better mortgage experience. He is based in Hobsonville, Auckland. He works with first home buyers, investors and self-employed borrowers across New Zealand, using 30+ lenders.

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All information in this article is indicative only and does not constitute financial advice. Lending is subject to individual lender assessment, credit criteria, and approval. Deposit requirements, LVR restrictions, and eligibility criteria vary. Details of our fees and how we’re remunerated are in our Disclosure Statement.