“I recorded him admitting it — can I use this in court?” It is one of the most common questions in family law, and the honest answer is: it depends, on more things than most people expect. Whether a secret recording was lawful to make depends on which state or territory you were in. Whether a court will admit it is a separate question again. And whether it actually helps your case — rather than damaging how the court sees you — is a third. This article walks through all three for separated parents and their lawyers.

First question: was the recording lawful to make?

Australia has no single national law on recording private conversations. Each state and territory has its own listening devices or surveillance devices legislation, and the differences are significant.

Queensland is comparatively permissive. Under the Invasion of Privacy Act 1971 (Qld) s 43, it is generally not an offence to record a private conversation you are a party to, even without the other person’s knowledge. So a Queensland parent who records their own phone call or changeover conversation with an ex-partner is usually not committing an offence by making the recording — though separate restrictions can apply to communicating or publishing it, and recording a conversation you are not part of (planting a device, bugging a house or car) remains prohibited.

Other states differ — some sharply. New South Wales and Victoria, for example, take a stricter approach: recording a private conversation without consent is generally prohibited even for participants, subject to limited exceptions (such as where the recording is reasonably necessary to protect a person’s lawful interests — a phrase courts construe carefully, not a blanket permission). Other jurisdictions sit at various points in between. The upshot: the same recording that is lawful in Brisbane may be a criminal offence if made in Sydney or Melbourne, and cross-border situations (a phone call between states) add further complexity. This is squarely a question for a lawyer in your jurisdiction — do not assume your state matches Queensland.

Video without audio, CCTV, and recordings of activity (rather than conversation) are governed by different and equally varied rules. So is tracking someone’s location — a topic with its own serious legal risks, touched on in our GPS and location analysis work.

Second question: will the court accept it?

Lawfulness and admissibility are different gates, and a recording can fail at either.

Unlawfully obtained recordings

Under the Evidence Act 1995 (Cth) s 138, evidence obtained improperly or in contravention of an Australian law is not automatically excluded — the court weighs the desirability of admitting it against the undesirability of admitting evidence obtained that way. In family proceedings before the Federal Circuit and Family Court of Australia (FCFCOA), courts have on occasions admitted unlawfully made recordings, particularly where they bear on a child’s safety, and on other occasions refused them. Nobody should record unlawfully on the assumption the court will forgive it: the party may face criminal exposure regardless of what the family court does with the recording.

Lawfully obtained recordings

Even a lawfully made recording is not guaranteed admission. The court retains general discretions — under s 135 to exclude evidence whose probative value is substantially outweighed by the danger of unfair prejudice, misleading the court or wasting time, and related powers under s 137. Recordings also face practical hurdles: they must be relevant to a fact in issue, and they must be authenticated — who is speaking, when and where was it recorded, and has the file been edited? Audio files are easy to trim and splice, and a challenged recording may need forensic analysis of the original file and device to establish its integrity, much as disputed messages do (see screenshots vs forensic extraction).

Third question: even if it gets in — does it help you?

This is the question people ask least and should ask most. Family judges see a lot of covert recordings, and they read them in both directions.

Strategic recording can damage the recorder. A parent who records every changeover, baits an ex-partner into anger and captures only the reaction, or hands over hours of surveillance-style audio may find the court draws conclusions about their conduct: an inability to co-parent, a willingness to manufacture conflict, or the involvement of children in the dispute. Recordings made by or around children attract particular concern. Courts assessing parenting matters are looking at insight, restraint and child focus — and a large covert-recording habit can suggest the opposite.

Context cuts both ways. A recording captures words, not the weeks around them. Opposing counsel will explore what happened before recording began, why this conversation was recorded and others were not, and whether the recorder was performing for the microphone while the other party spoke unguarded.

The DV context is different. Courts generally recognise that victims of family violence and coercive control may have few other ways to evidence behaviour that happens behind closed doors, and a recording made out of genuine fear for safety is viewed very differently from tactical surveillance. The legal landscape is also shifting — NSW criminalised coercive control from 1 July 2024, and evidencing patterns of controlling behaviour is an area where digital material matters greatly (see coercive control and digital evidence). If you are recording because you are frightened, tell your lawyer that context early — and if you are in danger, your safety comes before evidence. Our domestic violence assistance page has more on getting help safely.

Safer alternatives to secret recording

Before reaching for the record button, it is worth remembering how much admissible evidence usually already exists:

  • Existing messages and call records. Abusive or controlling behaviour is very often already documented in texts, voicemails and app messages. A forensic extraction preserves these with metadata and full threads, avoiding both the legality questions and the authenticity attacks that recordings invite.
  • Deleted material. Messages one party deleted may be recoverable through deleted data retrieval — see recovering deleted text messages in family law.
  • Cloud and account data. Emails, shared calendars, photos and backups can be captured through cloud data extraction with proper authority.
  • Contemporaneous notes and disclosure. Diaries, medical records, police reports and subpoenaed records carry weight without any of the risks above.

Forensic preservation of material that already exists is almost always the lower-risk path: it is lawful, it is verifiable, and it does not put your own conduct in issue.

Getting help

If you hold recordings and are unsure of their status, do not publish or share them — take them to your lawyer, because the rules genuinely differ by state and territory and turn on fine details. Where the authenticity of a recording or the preservation of existing messages matters to your case, Digital Forensics Group can forensically capture and verify digital material and provide court-ready reports, confidentially, for parties and law firms across Australia and New Zealand. Contact us or call +61 499 475 408 to discuss what can be preserved before anything is lost.