No Fault Divorce Australia: What It Means for Your Application

Australia has been a no-fault divorce country since 1975. The Family Law Act eliminated every ground for divorce except one: the irretrievable breakdown of the marriage, proven by 12 months and one day of continuous separation. You don't need to prove adultery, abandonment, cruelty, or any other form of wrongdoing. Your spouse's behaviour — no matter how egregious — is legally irrelevant to whether the court grants your divorce.

This single rule simplifies the filing process enormously, but it also creates confusion. People assume "no fault" means the divorce is automatic, or that their spouse can't oppose it, or that property and custody are settled at the same time. None of that is true.

What "No Fault" Actually Means

Under the Family Law Act 1975, the court does not consider:

• Who caused the marriage breakdown
• Whether one spouse had an affair
• Whether one spouse was abusive, neglectful, or financially irresponsible
• Whether one spouse wants the divorce and the other doesn't

The only question is: have you been separated for at least 12 months and one day? If yes, and you meet the residency requirements, the court grants the divorce. The registrar doesn't ask why you separated or who was at fault.

This doesn't mean fault is irrelevant everywhere in family law — it can matter in property settlements (particularly where family violence affected one party's ability to contribute) and in parenting orders (where safety is a concern). But for the divorce application itself, fault plays no role.

What Your Spouse Can and Can't Do

Your spouse cannot block your divorce by refusing to agree, refusing to sign papers, or claiming they don't want the marriage to end. Under a no-fault system, only one spouse needs to want the divorce. If you file a sole application and serve the documents correctly, the divorce will proceed whether or not the respondent cooperates.

Your spouse can contest the divorce, but only on two narrow grounds:

1. The 12-month separation period hasn't been met. If your spouse disputes the date you separated, the matter goes to a hearing where you'll need to provide evidence (texts, emails, affidavits from witnesses) supporting your claimed separation date.

2. The court lacks jurisdiction. If your spouse argues that neither of you meets the citizenship, domicile, or residency requirements, the court must resolve this before proceeding.

That's it. "I don't want a divorce" is not a contestable ground in Australia.

How the 12-Month Rule Works in Practice

The separation period must be continuous — 12 full months plus one additional day. If you separated on 1 March 2025, the earliest you can file is 2 March 2026.

Reconciliation periods: If you separated and then got back together for a trial reconciliation, the clock resets — unless the reconciliation lasted less than three months. The Family Law Act allows one reconciliation period of up to three months without restarting the 12-month clock. A second reconciliation of any length resets it entirely.

Separation under one roof: You can be legally separated while living in the same house. Financial constraints, children's needs, or housing availability may make it impractical to move out. The court accepts this, provided you can demonstrate genuinely separate lives — separate bedrooms, separate finances, no longer socialising as a couple, and separate parenting arrangements. You'll need to file an affidavit explaining your living situation, supported by a third-party corroborating affidavit.

No Fault Doesn't Mean No Consequences

The divorce itself is straightforward under no-fault rules. But three related processes operate on their own timelines, and people often conflate them:

Property settlement: The division of assets, debts, and superannuation is handled through a separate court application or by consent orders. Once your divorce is finalised, you have exactly 12 months to file a property claim — miss this deadline and you need the court's permission to proceed.

Spousal maintenance: Claims for ongoing financial support follow the same 12-month post-divorce limitation period.

Parenting orders: Arrangements for children under 18 can be formalised through consent orders or a court application at any time — there's no limitation period, but the sooner arrangements are settled, the less disruption for the children.

The no-fault system means the divorce application itself is procedurally simple. The complexity lies in getting the paperwork right: correct separation dates, properly witnessed affidavits, complete Part F disclosures for children, and valid service of documents on your spouse.

The Queensland Divorce Filing Process Guide walks you through every step of the federal divorce process with Queensland-specific logistics — from finding a JP to witness your affidavit to navigating the Commonwealth Courts Portal.

See more Queensland guides →