Skip to content
Let's chat

Home Loans + Mortgages

Renovating or extending your home

Renovating is often about making your current home work better.

A growing family. Teenagers needing space. A new kitchen. An extra bedroom. A home office. A second living area.

The project may be personal.
The finance needs to be structured.

At Luminate, we help homeowners fund renovations and extensions using equity and disciplined lending strategies.

Talk to a Mortgage Adviser
Couple renovating their home

TOOLS + CALCULATORS + RATES

What will my repayments be?

Calculate how much your mortgage repayments might be with our calculator. 

Calculate your repayments

How much could you borrow?

Find out how much you could borrow for your home loan with our easy to use calculator.

Calculate now

Latest home loan rates

We bring home loan rates together in one place, so you can compare what banks and lenders are offering.

Check the latest rates
Renovations with a dog in the foreground

How do you finance a renovation in NZ?

Most renovations are funded through:
  • Equity release
  • Increasing your existing mortgage
  • Construction-style drawdown facilities
  • Refinancing to improve structure
The right approach depends on:
  • Available equity
  • Project scope
  • Builder contract type
  • Income and servicing position

We assess the full position before recommending structure.

Using equity to renovate

Equity is the difference between your home’s value and your current mortgage.

If your property has increased in value, you may be able to access that equity to fund:
  • Kitchen upgrades
  • Bathroom renovations
  • Additional bedrooms
  • Garage conversions
  • Extensions or second-storey additions
Lenders will assess:
  • Updated valuation
  • Loan-to-value ratio
  • Servicing buffers
  • Project budget

Accessing equity should improve your home without weakening your long-term position.

 

Construction workers building a home
2 people planning a renovation

Large renovations vs minor upgrades

Not all projects are treated the same.

Minor renovations
Often funded through standard mortgage top-ups.

Major extensions or structural work
May require staged construction lending with progress payments and valuations.

The larger the build, the more important the structure.

 

Renovating for lifestyle vs value

Some renovations are lifestyle-driven. Others aim to increase property value.

Common reasons include:
  • Preparing for another child
  • Teenagers needing separate rooms
  • Creating open-plan living
  • Adding income through a minor dwelling
  • Improving resale value

Before committing, we assess whether the renovation supports both your lifestyle and your long-term financial strategy.

House wooden framing
Reading a book close up

Can you renovate without refinancing?

In some cases, yes.

If your current lender supports a top-up and structure remains efficient, refinancing may not be required.

However, if:
  • Your structure is restrictive
  • Rates are uncompetitive
  • Cross-collateralisation exists
  • Equity access is limited

A refinance may create better flexibility.

We assess both pathways before recommending change.

 

Common renovation funding challenges

Homeowners often face:

  • Underestimating build costs
  • Servicing constraints despite equity
  • Builder contract complications
  • Bank policy shifts
  • Timing issues with staged payments

Clear planning reduces stress during construction.

Two builders on scaffolding

How to apply for your home loan

Talk to an adviser

We start by understanding your income, deposit, existing lending, and goals so we can see what lenders may suit your situation.

Share your documents

You will usually need identification, proof of income, bank statements, and details of any assets or debts.

We compare lenders

We assess options across banks and other lenders, then structure your application to give it the best chance of approval.

We negotiate for you

Once your application is ready, we work with lenders to secure suitable terms, rates, and loan structure.

Get approval

When approved, we guide you through the next steps, including loan conditions, paperwork, and settlement.

Move in

Once settlement is complete, your loan is in place and you can move into your new home with confidence 

Every lending situation is different. Speak with an adviser today to explore your options and move forward with clarity.

 

Talk to a Mortgage Adviser

Why Luminate?

We exist to bring structure, visibility, and confidence to financial decisions across home, business, and investments. 

For homeowners renovating, that means:

Clear explanation of how lenders assess income
Strategic lender selection
 
Calm guidance through negotiation and settlement
Long-term thinking beyond just the first purchase

We work with top lenders to find a solution right for you

Frequently asked questions

Can I use my mortgage to fund a renovation in NZ?

Yes, if sufficient equity and servicing capacity exist.

How much equity do I need to renovate?

Typically you’ll need to retain at least 20% equity after the additional lending, depending on lender policy.

Do I need a builder’s contract?

For larger structural renovations, most lenders require detailed plans and fixed-price contracts.

Is renovation lending different from new build lending?

Yes. Extensions may require staged drawdowns, whereas minor upgrades can often be structured as simple top-ups.

Proven results

Experience matters and we've got results that help Kiwis everyday.

26+
Years helping Kiwis into homes
1.5+
Billion in lending
1000+
Happy customers

Let’s structure your renovation loan

Start with a conversation about equity, budget, and long-term plans.

Recent blog posts