NAB Equity Builder: The Investment Loan That Works Like a Mortgage — But for Your ETF Portfolio

If you've ever had a mortgage — or have one now — you already understand the structure of the NAB Equity Builder.

Monthly principal and interest repayments. No margin calls. A lender who does not call you when the market falls. You own the asset. You build equity with every repayment. The loan shrinks as the asset (hopefully) grows.

The only difference: instead of buying a house, you're buying ETFs.

For property investors who are considering shifting some capital toward shares — but find the idea of buying a fund abstract or the geared ETF structure unfamiliar — the NAB Equity Builder is the most intuitive bridge available in Australia.

What the NAB Equity Builder actually is

The NAB Equity Builder is a variable rate investment loan offered by NAB for purchasing ETFs, listed investment companies (LICs), and managed funds. It is specifically designed to be a principal and interest loan — not interest-only — and specifically designed to have no margin calls.

These two features are the ones that make it different from everything else in the market:

Principal and interest: You are required to make monthly repayments that cover both the interest on the loan and a portion of the principal. This is identical to an owner-occupier mortgage. Unlike interest-only investment loans (which many property investors use to maximise negative gearing), the Equity Builder is structured to progressively reduce the debt. You build equity in your ETF portfolio with every repayment — exactly as you build equity in a property with every mortgage repayment.

No margin calls: NAB cannot demand early repayment because markets fell. There is no LVR threshold that, if breached, triggers a forced sale. As long as you make your scheduled monthly repayments, your investment remains intact regardless of what markets do. You ride out the falls and participate in the recoveries — the same way a property investor rides out property market fluctuations without the bank calling in the loan.

How to apply and what you need

The minimum credit limit is $20,000. The application process is a standard loan assessment — NAB will assess your income, existing debts, and creditworthiness. There is no pre-approval without a formal application.

What you'll need:

• Regular income sufficient to service the P&I repayments
• A brokerage account to hold the approved investments (NAB's own platform or an approved broker)
• Confirmation of which approved investments you intend to purchase
• Standard loan documentation: income verification, identification, existing liabilities

The loan is available for Australian residents. There is no minimum investment in individual securities — you can use the full loan amount to purchase a single ETF if you choose.

What you can invest in

NAB maintains an approved investment list of 950+ securities, including most major ASX-listed ETFs, LICs, and managed funds. This includes:

• All major Vanguard ETFs (VAS, VGS, VDHG, VDAL etc.)
• All major BetaShares ETFs (A200, DHHF, BGBL, NDQ etc.)
• iShares ETFs
• Major listed investment companies (AFIC, Argo, etc.)
• Most major active managed funds

Notably, the BetaShares Wealth Builder geared ETFs (G200, GHHF) are separate products — they already incorporate leverage internally. Using the NAB Equity Builder to purchase geared ETFs would create leverage-on-leverage, which would be an extremely high-risk approach suitable for almost no investor.

The standard use case: NAB Equity Builder loan used to purchase unleveraged diversified ETFs like DHHF, VDHG, or a combination of VAS + VGS.

The interest rate and tax treatment

The NAB Equity Builder charges a variable interest rate. As of mid-2026, this is in the range of 7–8% per annum — lower than standard margin loan rates (which run to 9–10%) but higher than most residential mortgage rates.

Tax deductibility: Interest on the NAB Equity Builder is generally tax-deductible against investment income. This includes dividends, distributions, and capital gains from the investments. Since the 2026 budget, it is worth noting that this deductibility is not quarantined in the way that property losses have been for new established property purchases — investment loan interest remains deductible against assessable income for share investments.

However, the deductibility rules are nuanced and depend on how the loan is structured and used. Consult a registered tax agent before proceeding.

Use our Income Tax Calculator to estimate the annual tax benefit of deductible investment loan interest at your marginal rate.

The forced savings superpower

This is the feature that rarely gets mentioned in financial media but is arguably the most powerful thing the NAB Equity Builder offers property investors.

One of the underrated reasons property built wealth for Australians is forced savings discipline. Every mortgage repayment is non-negotiable. The money leaves your account monthly whether you feel like investing or not. Over 10–20 years, that compulsion to save builds portfolios that many investors would never have accumulated through voluntary, discretionary investment.

The NAB Equity Builder replicates this mechanism exactly. Monthly P&I repayments are mandatory. The investment is illiquid in the short term (not in the sense that you can't sell — you can — but in the sense that the repayment discipline doesn't allow for "I'll skip this month"). For investors who know they struggle with investment consistency, this structural compulsion is a genuine advantage.

Contrast this with a geared ETF: you can pause contributions at any time, divert the money elsewhere, and allow the investment to drift. For self-disciplined investors, that flexibility is fine. For investors who benefit from structure, the Equity Builder's mortgage-like discipline is the point.

The risks

Variable interest rate: The loan rate moves with NAB's variable rate settings. In a rising rate environment, your repayment amount increases. Unlike a fixed mortgage, you cannot lock in the rate. Investors should stress-test their ability to service the loan at rates 2–3% above the current level.

Missed repayments: If you miss a scheduled repayment, NAB may sell investments to recover the outstanding amount. Unlike a margin call (which is triggered by market movements), this forced sale is triggered by your own failure to repay. Budget for the repayments before taking the loan.

Leverage magnifies losses: If the underlying market falls 30%, your portfolio (funded partly by debt) falls by the same 30% in value, but your debt does not fall. Your equity in the portfolio decreases by more than 30% as a percentage of the total portfolio. At 50% LVR, a 30% market fall means your equity falls from $50 to $20 on a $100 portfolio — a 60% loss of your own capital. This is the same leverage risk that exists with a property mortgage.

Liquidity consideration: If you need to access capital urgently, you must sell your investments and repay the loan. This may have CGT implications.

NAB Equity Builder vs geared ETF: choosing between them

These are not competing products — they suit different investors. Here is the specific decision framework:

Factor	NAB Equity Builder	Geared ETF (G200/GHHF)
Minimum to start	$20,000	~$500
Application required	Yes	No
Familiar structure	Yes — mortgage-like P&I	No — buy units like any ETF
Effective LVR	Up to 75%	30–40%
Interest tax-deductible	Yes	No (management fee)
Own investments directly	Yes	No (fund units)
Forced savings discipline	Yes (mandatory P&I)	No
Complexity	Medium	Very low

Choose NAB Equity Builder if:

• You have $20,000+ ready to deploy
• You want the familiarity and discipline of a P&I loan structure
• You want to own ETFs directly (important for some CGT and franking credit strategies)
• You want higher potential LVR than a geared ETF provides
• The tax deductibility of interest is important to your strategy

Choose geared ETF if:

• You want to start small (under $20,000)
• You want zero paperwork and no application
• Simplicity is more important than maximum LVR
• You don't need the forced savings structure
• You're comfortable with the embedded fee rather than explicit interest

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Frequently asked questions

Is the NAB Equity Builder suitable for beginners?

The NAB Equity Builder is more complex than buying a geared ETF but simpler than managing a margin loan. Investors should understand how P&I loans work, how leverage amplifies losses, and what happens if they miss a repayment before applying. It is not suitable for investors who are new to both investing and borrowing. Investors who are experienced with mortgages but new to shares are a good fit, provided they understand share market volatility.

Can I use NAB Equity Builder to buy any shares I want?

No. NAB maintains an approved investment list of 950+ securities including most major ETFs, LICs, and managed funds. You cannot use the Equity Builder to buy individual company shares (like BHP or Telstra) — it is restricted to diversified, professionally managed investments. This restriction is deliberate: it reduces volatility risk for both the borrower and NAB by ensuring the collateral is diversified.

Does NAB Equity Builder have margin calls?

No. This is one of its defining features. NAB cannot demand early repayment due to market movements. As long as you make your scheduled monthly P&I repayments, your investments cannot be sold involuntarily due to market falls. This distinguishes it from traditional margin loans and makes it structurally more similar to a residential mortgage.

How does the NAB Equity Builder compare to negative gearing on investment property?

Both involve borrowing to invest and potentially deducting interest. The key differences: NAB Equity Builder interest is deductible against investment income (unaffected by 2026 budget changes); established property negative gearing for properties purchased after 12 May 2026 is quarantined from 1 July 2027. The Equity Builder has no stamp duty, no maintenance costs, and full liquidity. Property has higher potential LVR (80% vs 75%) and forced savings through capital growth rather than just P&I repayments.

What happens if I want to sell before the loan is repaid?

You can sell your investments at any time. The sale proceeds must be used to repay the outstanding loan balance. If the market has risen, you will have profit above the loan balance. If the market has fallen, you may need to use other funds to cover the shortfall between the sale proceeds and the outstanding loan. Selling investments with a loan attached may also have CGT implications — timing matters for the 12-month CGT discount.

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This article is for general information only and does not constitute financial, tax or legal advice. Individual circumstances vary. Consult a registered tax agent or licensed financial adviser before making decisions based on this information.