Smart ways to structure ownership for off‑the‑plan units

For an off‑the‑plan unit, you normally choose between three structures: buying solo, buying jointly, or using a guarantor. The right choice depends on your borrowing power, cashflow risk, family dynamics and tax goals for the next 5–10 years. You want a structure that still works at settlement, not just on contract day.

Three common ownership structures for off-the-plan apartments, each with different risks and flexibilities.

Quick comparison: solo vs joint vs guarantor

Solo ownership

• One name on title and (usually) on the loan.
• Maximum control and flexibility for future moves.
• Needs enough income and deposit to qualify alone.

Joint ownership (most often “joint tenants” for couples)

• Both on title and normally on the loan.
• Bank uses both incomes and both debts.
• You’re each 100% liable for the whole loan.

Guarantor structure (family pledge)

• You own the unit; parent(s) guarantee part of the loan.
• Their property secures part of your loan to reduce LVR/LMI.
• Usually temporary – aim to release once your equity improves.

If your build is 2–5 years away, remember: your lender re‑checks income, debts and the project near settlement, so you need a structure that survives life changes, not just today’s numbers. Pair this with the timing detail in /insights/step-by-step-timeline-first-home-off-the-plan-settlement.

When solo ownership makes more sense

Solo works best when you:

1. Can qualify on your own under a 3% APRA buffer.
2. Want clean separation from a partner’s or family member’s finances.
3. Expect future moves – upgrading, investing, or restructuring loans.

Pros

• Simple if you separate, change jobs, or want to leverage equity later.
• Clear tax position – easy to distinguish home vs investment use.
• No risk of a partner’s separate debts or guarantees affecting you.

Cons

• Lower borrowing power – only your income and liabilities count.
• Bigger deposit or smaller purchase price needed.

Worked example

• Off‑the‑plan price: $750,000
• Deposit: 10% ($75,000)
• Loan: $675,000
• At 6.5% P&I over 30 years, repayments ≈ $4,270/month.

With a 3% buffer, banks test you at ~9.5%, or ≈ $5,640/month. That’s a big ask for one income, especially when Roy Morgan data shows roughly one‑third of borrowers already in mortgage stress.

If you’re self‑employed or using company/trust income, solo can still work, but you must plan ahead so your financials still satisfy the bank near settlement. See /insights/using-company-trust-partnership-income-off-the-plan-loan for how lenders actually view those structures.