A lot of first home buyers think a 20% deposit is the law. It isn't. The 20% number you keep hearing about is a threshold — and there are real, documented paths to buy a house in New Zealand with less than that.
But to know which paths are open to you on any given week, you need to understand what the Reserve Bank's LVR rules actually do. Most of the bad advice in this space comes from people who half-understand the rules.
So here's the proper version.
What LVR actually means
LVR stands for Loan-to-Value Ratio. It's the loan amount divided by the property value, expressed as a percentage.
- Buying a $700,000 home with $140,000 deposit → loan of $560,000 → LVR of 80%.
- Buying the same home with $70,000 deposit → loan of $630,000 → LVR of 90%.
- Buying with $35,000 deposit → loan of $665,000 → LVR of 95%.
The lower your deposit, the higher your LVR, and the riskier the loan looks to the bank.
Why the Reserve Bank cares
The Reserve Bank of New Zealand (RBNZ) doesn't write home loans, but it sets the rules banks have to follow. The reason: a housing market full of high-LVR loans is fragile. If house prices fall 15%, a borrower at 95% LVR is suddenly underwater while a borrower at 70% is fine. Multiply that across the system and you get a financial-stability problem.
So the RBNZ uses LVR rules to keep the share of high-LVR lending in check. Not by banning it — by rationing it.
How the speed limits work
Banks aren't told "don't write loans above 80% LVR." They're told something more like: "of all the new home loans you write this quarter, only this percentage can be above 80%."
Those caps shift over time. As of writing, banks can typically write a set portion of new owner-occupier lending above 80% LVR, and a smaller portion of new investor lending above 70% LVR. The exact percentages move when the RBNZ adjusts them — which they do every year or two — so we won't quote a number that goes stale. We'll tell you the current state when we chat.
What this means for you in practice:
- Banks have headroom. Every bank has a budget of high-LVR loans they can write. Some banks have used most of theirs by month-end; others are well under their cap. The same application can get a yes from one and a no from another for that reason alone.
- Headroom changes weekly. A bank that was tight last month might be open this month, or vice versa.
- A broker who works across the panel knows where the headroom is. This is the reason a multi-bank broker beats a single-bank approach for low-deposit buyers.
The new build exemption
One of the most useful things in the rules: new builds are exempt from the LVR speed limits. A new build means a property bought directly from a developer, off the plans, or a new dwelling under a turnkey contract.
If you're buying a new build, banks can lend you up to 90% LVR (or sometimes more) without it counting against their high-LVR cap. That's why first home buyers with smaller deposits often end up in new builds — not because they specifically wanted one, but because the lending is genuinely easier.
What it costs to borrow above 80%
Even when the bank has headroom and says yes, borrowing above 80% LVR usually costs more. It's called a low-equity premium (LEP) or a low-equity margin (LEM), depending on the bank.
The structure varies:
- One-off fee — a percentage of the loan amount, paid at settlement. Often 0.25%–1.0%, with the percentage stepping up as your LVR climbs.
- Higher interest rate — a fixed addition to whatever rate you get offered, applied for as long as you're above 80%. Sometimes it falls off automatically once you're under; sometimes you have to ask.
Whether you wear it or wait depends on the maths. We model both — staying out of the market for another year to save another 5% deposit, vs paying the LEP and getting in now. Most first home buyers we work with come down on different sides of that maths depending on their situation.
The honest answer for first home buyers
You can buy a house in New Zealand with less than 20% deposit. First home buyers do it all the time. The question is which bank, on what week, with what LVR, at what cost.
What gets you the best answer to those questions:
- Real numbers, not estimates. What's your deposit, your KiwiSaver, your income, your committed expenses?
- A broker with current information. Not the LVR thresholds (which are public), but which banks have headroom right now (which isn't).
- A bit of patience. Sometimes the answer is "wait two months" because we know a particular bank is about to free up capacity. That's a different game from "wait two years until you have 20%."
Talk to us
Send us your situation and we'll tell you what's possible — including which lenders are friendliest to your specific deposit shape this month.
Send us a message or call Matt on 021 997 106 or Gareth on 021 997 150.













