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Designing loans, offsets and trusts so your heirs aren’t forced to sell

How to combine life insurance, offset accounts and trusts so your heirs can choose what to keep, what to sell and when – instead of being forced into a fire sale by a large mortgage.

31 Aug 2026Updated 31 Aug 202611 min read

Key Takeaway

Heirs can be protected from large Australian mortgages by combining correctly sized life insurance, well-funded offset accounts, and carefully structured trusts. A practical rule is life cover at least equal to non-deductible home debt plus 6–12 months of living and property holding costs held in offsets. For high‑net‑worth and geared investors, aligning loan splits, beneficiary nominations, wills and trust deeds now gives executors the flexibility to avoid forced sales and negotiate calmly with lenders when a borrower dies.

Designing loans, offsets and trusts so your heirs aren’t forced to sell

Most people assume their wealth will look after their kids. With multi‑million‑dollar loans, that’s often wrong. The mistake I see most is high‑income parents meticulously optimising interest rates and tax, but barely thinking about what actually happens to those loans and properties if they die.

Here’s the clear answer up front: you protect heirs from large mortgages by (1) sizing life insurance so your estate can clear or comfortably service non‑deductible home debt, (2) keeping 6–12 months of living and property holding costs in offset accounts to buy time, and (3) using trusts deliberately so risky or shared assets don’t blow back on the family home. The real power comes from coordinating those three with your loan splits, will and trust deeds.

A real scenario: asset‑rich parents, cash‑poor estate

A couple in Sydney’s east, mid‑50s, $6m in property, $3m in loans. On paper, very comfortable.

They had:

  • $2m home in their names, $1.2m mortgage
  • Two investment properties in a discretionary trust, $1.8m of interest‑only lending
  • $250k sitting across various savings accounts, no meaningful life cover
  • Wills leaving “everything to the kids” but no real thought about the loans

If both died together, their adult kids would inherit three properties and $3m of debt. But there was no cash buffer, and the investment loans were interest‑only with review dates.

Best case: the kids fire‑sell one investment to clear the home loan. Worst case: a nervous lender calls in part of the trust lending, and suddenly the executors are under pressure to sell quickly in a soft market.

What we did instead: sized life cover to clear the home loan, consolidated cash into a major offset, and tightened the trust structure. We also matched the loan splits to the estate plan. Same assets, same kids, radically different outcome.

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Frequently asked questions

What happens to my home loan if I die but my partner survives?▾
Typically the surviving borrower becomes solely responsible for the mortgage. The lender will reassess the loan based on their income and may adjust limits or conditions. Adequate life insurance and a solid offset buffer allow your partner to clear or comfortably service the loan without being forced into a rushed property sale.
Is it better to use life insurance or just build a big offset balance?▾
Both usually play different roles. Life insurance provides an immediate lump sum to clear or reduce debt if you die early, while an offset account gives ongoing flexibility to meet living and property costs. Relying only on savings assumes you’ll have decades to build a large cash buffer, which may not match your risk profile or borrowing level.
Should I put my home in a trust to protect my kids?▾
Putting your main residence into a trust can create land tax, capital gains and lending complications and often adds less protection than people expect. For many families it’s cleaner to keep the home in personal names, use trusts for riskier or shared investments, and protect the home with insurance and careful loan structuring instead.
How much cash should I realistically keep in offset for estate planning?▾
A practical target for geared households is 6–12 months of total living expenses plus all loan repayments and property costs. For many professional families this equates to around $150,000–$400,000 in offset. The right figure for you depends on income volatility, portfolio size and how much time you want your heirs to have before making big decisions.
Do my kids automatically take over all my property loans?▾
No, loans do not automatically transfer to children. They remain obligations of your estate or any surviving co‑borrowers. Your executors will continue repayments, refinance facilities or sell assets to clear debt. Good planning ensures your heirs inherit options and equity, not unmanageable obligations.

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