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Second mortgages NZ

Sometimes your main lender can’t move fast enough, or won’t lend more. A second mortgage can fill the gap for a short time, at a price.

By Yatin Kainth, Financial Adviser FSP1007497. Last reviewed

Second mortgages NZ for short-term funding

Short answer

A second mortgage in NZ is a loan secured behind your existing first mortgage, usually from a non-bank or private lender, for 3 to 24 months. It’s used for deposits, development cost overruns, tax debt or settlement gaps. Because the lender ranks second, rates and fees are high, so it suits short-term needs with a clear exit. Your first lender usually has to agree.

Check the combined numbers

Combined LVR

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Blended interest rate

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Second mortgage interest over the term

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Lender view

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Excludes establishment fees, which are often 2 to 5% on second mortgages. Indicative only.

Common uses

Before you sign

Check every fee, the default rate and what happens if the exit is late. Make sure your first lender consents, because many loan agreements don't allow a second charge without it. Often a better long-term answer is to refinance everything into one loan. See refinancing and debt consolidation.

Talk it through

I'm Yatin Kainth, a Financial Adviser at Mortgage Sense in Hobsonville, Auckland (FSP1007497), comparing 30+ lenders. Advice is provided under the Mortgage Managers licence (North West Group Holdings Ltd, FSP682791). This page is general information, not personalised advice. See the Disclosure Statement.

Book a free chat or call 022 064 7770.

Common questions

Do I need my bank's permission for a second mortgage?

Usually, yes. Most first mortgages need the lender's consent to a second charge on the property.

How much does a second mortgage cost in NZ?

Rates are often 10 to 18% plus establishment fees, because the lender ranks behind your bank.

Can I get a second mortgage with bad credit?

Sometimes. Second mortgage lenders focus more on equity and exit than on credit history.

How long can a second mortgage last?

Usually 3 to 24 months. They're designed as short-term funding.

Sources

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