A second mortgage is an additional loan secured against a property that already has a first mortgage. It does not replace the first loan. The second lender will ordinarily rank behind the first lender. This security position can affect the cost, conditions and risk.
A second mortgage can provide access to equity without refinancing the whole first mortgage. It should only be considered when the purpose is clear, the combined repayments are affordable and there is a credible repayment or exit plan.
Platinum Mortgages helps assess whether the proposed borrowing is suitable before an application is made.
Second-tier or specialist lender describes a type of lender outside the main-bank channel. A second mortgage describes the legal and security position of a new loan behind an existing first mortgage. A specialist lender can provide a first or second mortgage depending on the transaction.
For a broader explanation of non bank, specialist and second-tier lender categories, read our Non Bank Lending Guide.
This depends on the existing mortgage terms, the registered security and the proposed structure. The first lender may need to consent or enter into a priority arrangement with the second lender.
The lenders and the borrower’s lawyer must confirm which documents the transaction requires before settlement.
Borrowers may consider a second mortgage for a limited range of purposes that they can clearly evidence, including:
If the main purpose is to combine several existing debts, use our Debt Consolidation page for the dedicated assessment.
A second mortgage may be worth assessing where:
Refinancing normally replaces the existing first mortgage with a new lending arrangement. A second mortgage leaves the first mortgage in place and adds another secured loan behind it.
Compare the rates, fees, break costs, combined repayments and security position. Also consider how long you expect to hold the second mortgage before repayment or review.
Angela Downie, Financial Adviser at Platinum Mortgages, explains:
“When I’m considering a second mortgage, I want to understand why it is needed in the first place. My first question is always: why can’t we simply approach your existing lender for a top-up instead?
I want to understand what the funds will be used for and what’s preventing the existing lender from helping. Has the top-up already been declined? Is there an income verification issue? Is the money needed urgently for something like tax debt, business purposes or another significant life event?
Understanding the reason behind the borrowing helps me determine whether a second mortgage is genuinely the best solution or whether there is a simpler, lower-cost alternative available. Second mortgages absolutely have their place, but I see them as one option rather than the starting point.”
The total cost can include more than the interest rate. Depending on the lender and transaction, costs may include:
For standard mainstream bank lending, our standard mortgage advice service is free to the borrower. Platinum Mortgages does not charge a borrower-paid adviser fee.
For non-bank or private-lender applications, including second-mortgage lending arranged through those lenders, a borrower-paid adviser fee applies and will be disclosed before you proceed. Other limited fees can apply in the circumstances set out in our disclosure.
Compare the total dollar cost over the expected term, including what happens if the exit is delayed.
Before adding another mortgage, compare whether the funding need could be met through:
If an existing mortgage is already behind, or repayments have become unaffordable, use our Mortgage Arrears in New Zealand guide.
Additional property-secured borrowing should not be treated as the immediate solution.
A second-mortgage assessment and settlement will commonly involve the following steps:
Angela adds:
“One question I always ask before recommending a second mortgage is, ‘How is this debt going to be repaid?’
Before I recommend any short-term lending solution, I need to understand what the exit strategy will be.
I generally view a second mortgage as a short-term solution rather than a long-term strategy. I also want to understand how the loan will be structured, including whether interest is paid during the term or capitalised where that structure is available, and make sure the repayment position remains affordable.
Having a realistic and achievable exit strategy is one of the most important parts of a second mortgage application because it is something I need to clearly explain and advocate for when presenting the application to the lender. Getting the funds is only one part of the decision. Knowing how the debt will be repaid is just as important.”
Before proceeding, the repayment or exit plan should confirm that:
No. Refinancing normally replaces the first mortgage. A second mortgage leaves it in place and adds another secured loan behind it.
Possibly, but the credit event, equity, affordability, loan purpose and exit still matter, and the cost may be higher. For a fuller assessment of defaults, missed-payment history, dishonours or other adverse-credit events, read our Mortgage With Bad Credit guide.
It may be proposed, but securing unsecured debt against a home changes the risk and may extend the debt. Compare total cost and alternatives.
A lawyer or conveyancing practitioner will normally be involved in registering a second mortgage. Mortgage instruments lodged electronically in New Zealand must be certified and signed by a conveyancing professional. A lender may also require independent legal advice as a specific condition of its offer.
Often, yes. A second mortgage lender ordinarily ranks behind the first lender, which can increase the lender's risk and may result in higher pricing. The actual interest rate and fees depend on the lender, security position, property, loan purpose, term and overall application. The total dollar cost over the expected loan period should be compared rather than looking only at the headline interest rate.
Platinum Mortgages New Zealand Limited (FSP752271) is a licensed Financial Advice Provider. Angela Downie (FSP742251) is a registered Financial Adviser who provides financial advice on behalf of Platinum Mortgages New Zealand Limited. Angela has worked in the financial industry since 2006.
Angela’s specialist lending experience includes assessing second mortgage applications. She also clearly presents the borrowing purpose, repayment strategy and proposed exit to suitable lenders.
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