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PTSD Claims in NSW CTP Motor Accidents: How Insurers Assess Liability on the Illawarra and South Coast

This article explains how NSW CTP insurers assess PTSD claims, including the legal criteria for threshold injuries, the role of SIRA, and practical steps for claimants. It highlights the importance of clinical evidence, time limits, and when to seek legal advice for PTSD claims in the Illawarra and South Coast regions.

Current as at 4 October 2026

A threshold injury under the Motor Accident Injuries Act 2017 (NSW) includes a soft tissue injury and a psychological or psychiatric injury that is not a recognised psychiatric illness (adjustment disorder and acute stress disorder are the usual examples; s 1.6 and Motor Accident Guidelines Part 5).

If you've developed post-traumatic stress disorder (PTSD) after a road trauma in New South Wales, understanding how insurers assess your claim is critical. Under the NSW Compulsory Third Party (CTP) scheme, insurers must evaluate whether your psychological injury meets the legal definition of a 'threshold injury' or qualifies for common law damages. This article explains how insurers assess PTSD claims in the Illawarra and South Coast regions, the evidence they require, and how the Motor Accident Injuries Act 2017 applies to your situation.

How NSW CTP Insurers Assess PTSD Claims

NSW CTP insurers assess PTSD claims by determining whether the injury meets the legal criteria outlined in the Motor Accident Guidelines 2020 and the Motor Accident Injuries Act 2017. For a claim to succeed, the injury must be a direct result of the motor accident and fall within the defined categories of 'threshold injury' or 'whole person impairment'.

Psychological injuries, including PTSD, are assessed using the SIRA (State Insurance Regulatory Authority) guidelines, which require clinical evidence such as:

  • A diagnosis from a registered medical practitioner
  • Documentation of symptoms matching the DSM-5 criteria for PTSD
  • Evidence of a direct link between the trauma and the injury

Insurers may also consider the duration and severity of the condition, as well as the impact on daily life. For example, if your PTSD requires ongoing therapy or significantly affects your ability to work, this strengthens your claim.

Factors Insurers Consider for Liability in Illawarra and South Coast

In regional areas like the Illawarra and South Coast, insurers may have specific procedures for assessing claims, but the legal principles remain the same. Key factors include:

1. Fault and Liability

CTP claims are based on the fault of the at-fault driver, not the injured person. Insurers must determine if the accident involved a motor vehicle and if the injury resulted from the collision. However, contributory fault (if you were partially at fault) may reduce compensation, depending on the circumstances.

2. Threshold Injury Criteria

PTSD may qualify as a 'threshold injury' under the Motor Accident Guidelines 2020. This requires the injury to be a spinal nerve-root injury producing neurological signs, or a psychological condition with clinical evidence. If your PTSD meets these criteria, you may be eligible for statutory benefits such as weekly payments and treatment coverage.

3. SIRA's Role in Disputes

SIRA oversees the CTP scheme and provides authoritative guidance on what constitutes a valid claim. If an insurer disputes your PTSD claim, they must refer it to SIRA for assessment. This process ensures consistency in how psychological injuries are evaluated across NSW.

Practical Steps for Claimants

To support your PTSD claim, gather the following evidence:

  • Medical records from a registered psychologist or psychiatrist
  • Accident reports and witness statements
  • Photographs of the scene (if relevant)
  • Income records to show lost earnings or reduced capacity
  • Correspondence with the insurer

It's also important to seek early medical attention to document your condition. Delaying treatment may weaken your claim, as insurers may argue the injury was not directly caused by the accident.

Time Limits and Dispute Options

You have three years from the date of the accident to make a CTP claim under the Motor Accident Injuries Act 2017. However, if your claim involves a dispute over liability or the nature of the injury, you may need to request a review by SIRA or seek mediation. In complex cases, legal advice is recommended to ensure your rights are protected.

When to Seek Legal Advice

If your PTSD claim is denied, or if you're unsure whether your injury meets the threshold criteria, it's essential to consult a legal professional. A solicitor can help you:

  • Challenge an insurer's decision to dispute your claim
  • Navigate the SIRA review process
  • Understand your options for common law damages if your injury exceeds the threshold

Summary of Key Points

  • PTSD claims under NSW CTP require clinical evidence and must meet the threshold injury criteria.
  • Insurers assess liability based on fault, not the injured person's actions.
  • SIRA provides authoritative guidance for evaluating psychological injuries.
  • Early medical attention and thorough documentation are critical to supporting your claim.
  • You have three years from the accident date to make a claim.

Every claim depends on its own facts. To request contact about your circumstances, complete the quick, no obligation enquiry form.

Prepared using automated research and drafting tools and checked through LegalAdvice editorial and source-validation controls. This page is general information, not personalised legal advice.

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