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Evidence · Home lending

The questions and original answers

Explore every question and captured response in the home-lending study, including answers asked nationally and from four cities.

questions
193
captured answers
1,094
AI platforms
4
collected
11 October 2026

01

Every question, with its answers

Each question was written as a voter would ask it and went to all four assistants. Some were also asked from a town. Open a question to read every answer to it in full.

Showing 20 of 193 questions

Show all 193

02

The tables behind the study

Every figure on the study page comes from these tables. They are CSV files, which open in any spreadsheet.

  • Question catalogue

    questions.csv

    One row per question.

    Question ID, borrower, exact question, group and collected answers

    193rows

    Download question catalogue (CSV)

  • Answers

    answers.csv

    One row per answer, with its full text.

    Answer ID, question ID, borrower, assistant, city, words, coded recommendations, showed a link and full text

    1,094rows

    Download answers (CSV)

  • Sources by answer

    sources.csv

    One row for each website recorded as a source of an answer.

    Answer ID, question ID, assistant, city, website and publisher type

    4,574rows

    Download sources by answer (CSV)

  • Checks against official sources

    checks.csv

    One row per statement checked.

    Check, answer ID, assistant, what the answer said, verdict, what the source says, source and date

    4rows

    Download checks against official sources (CSV)

  • Recommendation coding

    recommendation-coding.csv

    One row per coded national loan-choice or support answer.

    Answer ID, question ID, borrower, assistant, question group, recommended lenders and supporting passages

    360rows

    Download recommendation coding (CSV)

  • Platform comparisons

    platform-recommendation-counts.csv

    One row per platform, lender and question group.

    Matched panel, recommended answers, denominator and supporting answer IDs

    105rows

    Download platform comparisons (CSV)

  • City comparisons

    city-recommendation-counts.csv

    One row per city, lender and question group.

    Matched panel, recommended answers, denominator and supporting answer IDs

    112rows

    Download city comparisons (CSV)

Use these tables to trace findings back to the original questions and answers. The full text of each answer is also on this page, under its question.

03

Read in full and checked

Some answers were read in detail or checked against official sources. Those appear on the study page, beside the findings they support.

ChatGPT · National

Which bank is best to have your mortgage with after you finish building a new home?

Which bank is best for a mortgage after building a new home in New Zealand?

My recommendation is to compare ANZ, ASB, BNZ, Westpac and Kiwibank before settling on a bank. There isn't one bank that's best for everyone, especially after a new build, because the best deal depends on your remaining mortgage, the value of your finished home, your equity, and whether you want the lowest repayments or more flexibility.

Once your new home is finished, you may be in a different position from when you first arranged your construction loan. You may have a completed property to use as security, and you can compare options for refinancing, fixing your interest rate, or splitting your mortgage into different portions.

My shortlist of banks to compare

1. ANZ

A strong first bank to negotiate with, particularly if you already have your construction loan with them. Compare its special fixed rates and any cashback offer for moving to a standard mortgage. Home loan incentives ( non-rate incentives )Today's NZ Interest Rates | Live Bank Rate Comparison

Best to investigate for: a competitive rate and refinancing incentives.

ANZ home loans

2. ASB

Worth comparing for fixed-rate options, especially if you want to lock in repayments for several years. Published comparisons have shown competitive longer-term fixed rates. Today's NZ Interest Rates | Live Bank Rate ComparisonMortgage Rates NZ | Compare Home Loan Rates

Best to investigate for: longer-term repayment certainty.

ASB home loans

3. Westpac

Include Westpac in your comparison if you're looking at a two-year fixed term. It advertised a 5.29% special two-year rate in September 2026, although rates can change and your offer may differ. Westpac NZ cuts key lending rate, raises others as funding costs riseCompare home loan interest rates

Best to investigate for: competitive fixed-rate deals.

Westpac home loans

4. Kiwibank

A worthwhile alternative to the larger banks. Compare its special rates, cashback eligibility and the total cost of switching. Home loan incentives ( non-rate incentives )Mortgage Rates NZ | Compare Home Loan Rates

Best to investigate for: an alternative offer to negotiate against.

Kiwibank home loans

5. BNZ

Another important quote to obtain. Ask for its best special rate rather than comparing only the standard advertised rate. Today's NZ Interest Rates | Live Bank Rate ComparisonMortgage Rates NZ | Compare Home Loan Rates

Best to investigate for: a competing offer on your completed home.

BNZ home loans

What matters most after a new build?

I would compare these four things before choosing:

  • Interest rate: Ask for the best rate available for your equity level and preferred fixed term.
  • Cashback: Ask whether you qualify for a new-lending or refinancing contribution. Check the minimum loan amount, conditions and whether you must repay the contribution if you leave within a specified period. Home loan incentives ( non-rate incentives )
  • Your finished home's value: The completed valuation and remaining loan balance determine your loan-to-value ratio (LVR). If you have at least 20% equity, you may qualify for special rates that aren't available to every borrower.
  • Flexibility: If you want to make extra repayments, consider splitting your mortgage between fixed and floating portions rather than fixing the entire loan without checking the restrictions.

You can compare current advertised rates using interest.co.nz or RateWise. Rates change frequently, so obtain written quotes from the banks before deciding. Home Loan Rates NZ: Compare Current Rates (October 2026)Today's NZ Interest Rates | Live Bank Rate Comparison

Let me narrow it down for your situation

The best bank for you will depend on how your build has worked out financially. If you tell me these three things, I can give you a more targeted recommendation.

Ask anything

ChatGPT can make mistakes. Check important info.

Captured 11 October 2026

Gemini · National

Which bank is best to have your mortgage with after you finish building a new home?

In New Zealand, there is no single "best" bank for your mortgage after finishing a new home build. Instead, the right bank depends heavily on what matters most to your financial situation once construction wraps up—such as securing the lowest fixed interest rate, maximizing a cash-back incentive, or retaining flexible repayment structures.

Because your home build is now complete, your construction loan (which typically operated on a floating rate with staged progress payments) will convert into a standard residential mortgage, allowing you to lock in fixed rates and restructure your loan.

Key Factors to Evaluate When Choosing a Post-Build Bank

When shopping around or negotiating with lenders once your Code of Compliance Certificate (CCC) is issued, look at these key areas:

  • Cashback Offers: Major New Zealand banks (including ANZ, ASB, BNZ, Kiwibank, and Westpac) frequently offer cash-back incentives (a percentage of your total mortgage amount paid out in cash upon settlement/completion) to attract new borrowers or retain refinancing clients. Because new builds represent high-quality security, banks are often competitive here, but cashbacks usually come with a requirement to stay with the bank for 3 to 4 years.
  • Competitive Fixed Rates: Interest rates shift frequently. Lenders regularly run "special" rates for properties meeting energy-efficiency criteria (such as high Homestar ratings or specific green standards, which many new builds naturally achieve).
  • Structuring Flexibility: Look for features like revolving credit facilities, offset accounts, or the ability to split your mortgage into multiple portions (e.g., fixing a portion for 1 year, a portion for 3 years, and keeping a floating or revolving part for everyday cash flow).

Strategic Options & Action Plan

Since you have already navigated the complexities of a construction loan, transitioning out of it gives you significant leverage to test the market.

  1. Compare the Major Mainstream Lenders: Evaluate current offerings across ANZ, ASB, BNZ, Kiwibank, and Westpac. Each has slight variations in their standard/special rate cards and green-loan discounts.
  2. Consult a Mortgage Broker: Consider using a registered New Zealand mortgage broker. Brokers have visibility over unadvertised rates, specific bank policy tolerances for new builds, and current cash-back tiers. Crucially, broker services are typically free to you as the borrower because the lender pays the commission.
  3. Negotiate with Your Current Lender: If your build was financed via a construction loan with a specific bank, ask them to match or beat competitor offers for your permanent mortgage structure. Existing customers can sometimes leverage a competing bank's cash-back offer to get a better deal without the friction of refinancing lawyers.

What are your primary goals for the permanent mortgage—such as minimizing monthly payments through a lower fixed rate, or maximizing a cash-back contribution?

Ask Gemini

Gemini is AI and can make mistakes.

Captured 11 October 2026

Google AI Mode · National

Which bank is best to have your mortgage with after you finish building a new home?

There is no single "best" bank for a mortgage after finishing a new home build in New Zealand, as the right choice depends entirely on your specific financial position, your loan-to-value ratio (LVR), and the cash-back or sustainability perks individual major lenders offer. Once a construction loan transitions into a standard residential home loan, major registered banks in New Zealand—such as ANZ, ASB, BNZ, Kiwibank, and Westpac—compete heavily for completed properties because the higher risk construction phase is over.

Key Factors to Evaluate

  • Interest Rates and Cash-Back Offers: Major banks regularly change their special fixed rates and cash-back incentives (percentage contributions for settling your mortgage with them). These change frequently, so comparing current offers across providers via Canstar Home Loans is essential.

  • Green/Sustainable Home Loan Top-Ups: Because you built a new home, you may qualify for specialized sustainable or eco-upgrades (like solar panels, insulation, or EV chargers). Lenders like ANZ, ASB, and BNZ offer low-interest or discounted fixed top-ups for sustainable additions, while Westpac and Kiwibank offer unique financial incentives for energy-efficient new builds. [Canstar NZ]

  • Flexibility and Features: Look for features that suit your long-term repayment style, such as offset accounts, revolving credit facilities, or free partial prepayments without hefty break fees. [Canstar NZ]

  • Refinancing vs. Staying: If you used a construction loan with your current lender during the build process, staying with them avoids new application fees or property valuation costs. However, shopping around allows you to leverage competing bank offers once you have a Code Compliance Certificate (CCC) and a fully valued finished asset.

If you can share:

  • Your approximate loan balance or remaining debt
  • Whether your new build features eco-friendly/green ratings (such as a high Homestar rating or solar setup)
  • If you prefer cash-back incentives or the lowest possible interest rate

I can help outline which specific types of banking packages align best with your priorities.

Ask anything

Captured 11 October 2026

AI Overviews · National

Which bank is best to have your mortgage with after you finish building a new home?

AI Overview

The "best" bank to hold your mortgage after finishing a new home build in New Zealand depends heavily on whether you are looking for the lowest fixed interest rates , the largest upfront cashback , or low-interest "green" top-ups to finish the property.

Because a newly built home qualifies for exemptions under the Reserve Bank of New Zealand's Loan-to-Value Ratio (LVR) restrictions, you are in a strong position to negotiate the best possible pricing.

The Top Contenders for Post-Build Mortgages

A direct comparison of what New Zealand's major banks offer for post-completion lending shows distinct strategic advantages for each:

Bank Market Strength Key Benefit for New Builds
ANZ Cashback & Premium Discounts • Often matches or beats market rates for clean builds.
• Offers an ANZ Healthy Home discount (up to 0.7%–1% off) if the build achieves a 6+ Homestar rating.
• Generous cashbacks (often up to 1%–1.5% of total lending).
BNZ Flexibility & Offsetting • Rated highly by Canstar for overall customer satisfaction.
• TotalMoney Offset Account allows you to link up to 50 everyday accounts to offset interest.
Westpac Finishing Upgrades (0% Interest) • Unrivaled Greater Choices Loan : up to $50,000 at 0% interest for 5 years to add solar, heat pumps, or landscaping features post-CCC.
ASB Competitive Short-Term Rates • Aggressive pricing on 6-month and 1-year fixed terms.

Critical Decision Drivers After Your Build

1. Checking Your Homestar Rating

If your new home was built to eco-friendly standards and possesses a certified Homestar rating of 6 or higher , ANZ should be one of your first stops. Their Healthy Home Loan package applies steep interest rate discounts directly to your core mortgage, saving thousands over the lifecycle of your loan.

2. Funding Post-Construction Additions

Many new builds exhaust their initial construction finance before adding solar panels, ducted heating, heat pumps, or electric vehicle chargers. If you plan to add these once your Code Compliance Certificate (CCC) is issued:

  • Westpac is the primary choice, giving you 0% interest over 5 years on up to $50,000.

  • ANZ, ASB, and BNZ all offer competitive 1% interest green top-ups over 3 years for up to $80,000.

3. Maximizing Cash Contributions

If you are moving your construction loan into standard fixed terms, banks are hungry for stable, low-risk new build equity. You can easily leverage your position to request a cashback contribution (frequently ranging from 0.8% to 1.5% of your total loan balance). This money is typically deposited into your account within days of your final loan structure settling.

How to Proceed

Because pricing moves quickly and banks heavily negotiate "under-the-table" rate discounts that aren't advertised publicly, it is highly recommended to engage a registered New Zealand mortgage adviser (broker). They can pitch your completed build to multiple banks simultaneously to bid for the highest cashback and the lowest carded rates without you having to apply at each individual branch.

To help tailor this, let me know:

Ask anything

Captured 11 October 2026