There are two things that make New Zealand banks extremely nervous: borrowers with a deposit of less than 20%, and borrowers who are self-employed. If you happen to be both, securing a home loan from a Tier 1 bank can feel like trying to solve a Rubik's Cube blindfolded.

Banks love predictability. A PAYE employee with a fixed salary and a massive 20% cash deposit represents the lowest possible risk. A self-employed business owner with fluctuating income and a 10% deposit requires intense manual underwriting and specific policy exemptions.

In this case study, we reveal how Finch Mortgage helped a self-employed tradie and his partner secure their first home despite hitting both of these massive lending roadblocks simultaneously.

The Client Profile

  • Clients: Dave (32, Self-Employed Plumber) and Jess (30, Part-Time Administrator)
  • Income: Dave’s business net profit was $95,000. Jess earned $35,000 PAYE. Total: $130,000.
  • Deposit: $90,000 (Mix of KiwiSaver and savings).
  • Target Property: An existing 3-bedroom home in Hamilton for $800,000.
  • The Problem: Their deposit was only 11.25%, and Dave had only been self-employed for 18 months.

1. The First Hurdle: The Two-Year Rule

The standard policy across almost all main New Zealand banks is that self-employed applicants must provide two full years of finalized financial accounts (prepared by a Chartered Accountant). Because business income can fluctuate wildly, banks use the average of the last two years to determine your "true" income.

Dave had only been operating his plumbing business as a sole trader for 18 months. He had one full financial year of accounts, and 6 months of interim management accounts. When they approached their primary bank directly, they were told to "come back next year" when their second set of financials was complete.

2. The Second Hurdle: The LVR Speed Limit

Even if Dave had two years of financials, the couple still faced the Reserve Bank's Loan-to-Value Ratio (LVR) restrictions. Because they were buying an existing home (not a new build) and had less than a 20% deposit, they fell into the "Low Equity" bracket.

Banks are only permitted to allocate a very small percentage of their new lending to owner-occupiers with less than a 20% deposit. These limited spots are fiercely contested and are usually reserved for "golden" applicants—doctors, lawyers, or high-earning PAYE couples with flawless credit.

3. The Solution: Add-Backs and Exceptions

When Dave and Jess engaged Finch Mortgage, we immediately knew that applying through standard bank channels would result in failure. We needed to manually package their application to highlight the strength of their business and mitigate the perceived risk.

Tackling the Income Issue: "Add-Backs"

While Dave's net profit on paper was $95,000, his actual cash flow was much higher. To minimize tax, Dave's accountant had aggressively depreciated his work vehicle and tools. He was also expensing a portion of his home rent and internet as a home office.

We worked with Dave's accountant to prepare a schedule of add-backs. We demonstrated to the bank that non-cash expenses (like depreciation) and one-off setup costs should be "added back" to his true income for the purposes of servicing a loan. This exercise legitimately boosted Dave's recognizable income from $95,000 to nearly $115,000.

Tackling the Timeline: The "Same Industry" Exception

To overcome the strict two-year rule, we utilized a lesser-known policy exception. While Dave had only run his own business for 18 months, he had been a fully qualified, PAYE-employed plumber for 8 years prior.

We built a business case proving that Dave was not a risky, inexperienced startup. He had deep industry experience, an existing client base, and his first 18 months of trading showed consistent, month-on-month growth. We presented his 1-year finalized accounts alongside an accountant-verified 6-month interim profit and loss statement to prove ongoing viability.

4. Finding the Right Lender

With a beautifully packaged application that maximized their income and explained their employment history, we approached the market.

We specifically targeted a Tier 1 bank that we knew had a larger-than-average appetite for low-deposit lending that month, and a credit team known for being pragmatic about self-employed add-backs.

Because the application addressed every possible concern before the bank even had to ask, the credit assessor approved the loan. They secured $710,000 of funding to purchase the $800,000 house in Hamilton.

Key Takeaways for Self-Employed Buyers

  • Get an Accountant Involved Early: What is good for the IRD (low taxable profit) is bad for the bank (low servicing income). If you want to buy a house, you need your accountant to prepare your financials with a mortgage application in mind.
  • Add-Backs are Crucial: Non-cash expenses like depreciation can drastically improve your borrowing power if presented correctly.
  • The Two-Year Rule is Flexible: If you transitioned from PAYE employment to self-employment within the same industry, a good broker can often get a bank to accept just one year of financials.
  • Never Apply Directly: If you have a complex scenario (low deposit + self-employed), a direct bank application will almost always fail the automated screening process. You need a broker to manually advocate for you.