Mortgage Broker vs Bank — Which Should You Use?

Mortgage Broker vs Bank — Which Should You Use?

Choosing where to get your home loan is one of the biggest financial decisions you’ll make in New Zealand. You can go directly to a bank, or work with a mortgage broker who shops around for you. Both options have their strengths, and the right choice depends on your situation, experience, and preferences.

This guide explains how each option works, compares the key differences, and gives you step-by-step steps to decide which path is best for you.

How a mortgage broker works

A mortgage broker acts as an intermediary between you and multiple lenders. They assess your financial situation, match you with suitable loan products, and handle the application process. Brokers are typically paid by the lender (a commission), meaning their service is often free for you.

In New Zealand, brokers must be registered on the Financial Service Providers Register (FSPR) and comply with the Credit Contracts and Consumer Finance Act (CCCFA). Many belong to industry bodies like the New Zealand Mortgage Brokers Association (NZMBA).

Pros of using a mortgage broker

• Access to multiple lenders — Brokers can compare products from 10-15+ banks, building societies, and non-bank lenders. This widens your options.
• Time-saving — They handle paperwork, liaise with lenders, and manage the process end-to-end.
• Expert guidance — Brokers understand lending criteria, interest rate trends, and which lenders are more flexible for self-employed or low-deposit borrowers.
• Often free to you — Most brokers are paid by the lender, so you don’t pay a fee upfront (though some may charge for complex cases — always check).

Cons of using a mortgage broker

• Not all lenders — Some brokers don’t have access to every bank or product. A few smaller lenders may only deal directly with customers.
• Commission bias — Brokers may favour lenders that pay higher commissions, though regulations require them to act in your best interests.
• Less control — You rely on the broker’s speed and accuracy. If they’re busy, your application may slow down.
• Extra step — You still need to provide all your documents — just submits them for you.

How going direct to a bank works

When you go directly to a bank, you deal with a home loan manager or mobile lender employed by that specific bank. They can only offer you their own products, but they know their bank’s policies inside out. You may also get access to exclusive deals or loyalty discounts.

Pros of going direct to a bank

• Direct relationship — You build a personal connection with the bank. This can help if you need to negotiate later or have complex banking needs.
• Exclusive offers — Banks sometimes have special rates or cashback offers for direct customers that brokers can’t access.
• Faster for simple cases — If your finances are straightforward, a direct application can be processed quickly without a middleman.
• One-stop shop — You can bundle your mortgage with everyday accounts, credit cards, and insurance for convenience.

Cons of going direct to a bank

• Limited choice — You only see that bank’s products. You might miss a better rate or feature elsewhere.
• Less flexibility — Banks have strict lending criteria. If you’re self-employed, have a low deposit, or a credit issue, you may be declined without exploring alternatives.
• Time-consuming — You need to research, compare, and apply to multiple banks yourself if you want to shop around.
• Potential bias — The bank’s staff are incentivised to sell their own products, not necessarily the best one for you.

Key differences at a glance

Step-by-step guide to choosing

Step 1: Assess your situation

Start by being honest about your financial position. Ask yourself:

• Do I have a clean credit history and a stable income?
• Am I self-employed, on a temporary visa, or have a low deposit (under 20%)?
• Do I have time to compare multiple lenders myself?

If your situation is straightforward, a direct bank application may work. If you need more flexibility or have complexities, a broker is often better.

Step 2: Decide how much choice you want

If you want to see options from ANZ, ASB, BNZ, Westpac, Kiwibank, and non-bank lenders like SBS Bank or Heartland, a broker gives you that breadth. If you’re loyal to one bank and happy with their offers, go direct.

Step 3: Check fees and commissions

Ask any broker upfront: “Do you charge me any fees, and how are you paid?” Most are commission-based, but some charge a fee for complex cases. For direct banks, ask about cashback offers, but remember these are often tied to higher interest rates or longer fixed terms.

Step 4: Interview a broker or bank lender

If you choose a broker, ask:

• How many lenders do you have access to?
• What’s your experience with borrowers like me?
• Will you explain all my options, not just your preferred ones?

If you choose a bank, ask:

• What are your current special rates and cashback offers?
• Can you match a rate from another bank?
• What happens if I’m declined — do you refer me elsewhere?

Step 5: Compare offers

Don’t take the first offer you see. Get at least two quotes — either from a broker and a bank, or from two different banks. Compare not just the interest rate, but also fees, features (like offset accounts, redraw, and fixed-term flexibility), and the lender’s service reputation.

Step 6: Make your decision

Choose the option that gives you the best combination of rate, features, and service for your needs. If a broker finds you a great deal from a bank you wouldn’t have considered, that’s a win. If a bank offers you a loyalty discount that beats a broker’s best rate, that’s also a win.

Tips for success

• Prepare your documents early — Both brokers and banks need payslips, bank statements, tax returns (if self-employed), and ID. Have them ready to speed up the process.
• Check your credit score — You can check your credit report for free once a year from Centrix or Equifax. A good score improves your options.
• Don’t apply to multiple lenders at once — Too many credit enquiries in a short time can hurt your score. Let a broker manage this for you.
• Ask about pre-approval — Both brokers and banks can give you a pre-approval, which shows sellers you’re a serious buyer.
• Review your loan annually — Whether you used a broker or a bank, check your rate every year. Refinancing could save you thousands.

Verdict

For most New Zealanders, a mortgage broker offers the best balance of choice, convenience, and expertise — especially if you’re a first-home buyer, self-employed, or have a low deposit. You get access to multiple lenders without the hassle of shopping around yourself.

However, if you have a simple financial situation and a strong relationship with one bank, going direct can save time and may unlock exclusive offers. There’s no one-size-fits-all answer — choice is the one that gets you a loan you’re comfortable with, at a competitive rate, with the least stress.

If you’re unsure, try both. Talk to a broker and visit a bank. Compare their offers and see which one feels right for you.