Legal Advice

Permanent Impairment Threshold and CTP Scheme Eligibility in NSW

The 10% whole person impairment threshold under the Motor Accident Injuries Act 2017 determines eligibility for the NSW CTP scheme. Injuries meeting or exceeding this threshold qualify for compensation, while those below may still be eligible for limited benefits. Claimants must provide medical evidence and meet time limits to pursue a claim.

Current as at 19 June 2026

Permanent Impairment Threshold and CTP Scheme Eligibility in NSW

If you've suffered a motor accident in Greater Sydney and are wondering whether you qualify for compensation under the NSW CTP scheme, the key legal question is whether your injuries meet the 10% whole person impairment threshold. This threshold, set by the Motor Accident Injuries Act 2017 (MAIA), determines whether your claim falls within the statutory benefits available through the CTP scheme.

Under the MAIA, a claimant must have a permanent impairment of at least 10% to be eligible for compensation. This means a medical practitioner must assess your injuries and confirm that they result in a whole person impairment of 10% or more. If your injuries fall below this threshold, you may still be eligible for other benefits, such as treatment and care payments, but not the full range of compensation available under the CTP scheme.

How the 10% Threshold Affects CTP Claims

The 10% threshold is a legal boundary that separates eligible claims from those that fall outside the CTP scheme. It is based on the Motor Accident Guidelines published by the State Insurance Regulatory Authority (SIRA), which outline the clinical standards for assessing impairment. For example, a fractured wrist that results in a 12% impairment would qualify, while a minor sprain with no lasting effect would not.

  • permanent* impairments. Temporary injuries, such as a broken arm that heals fully, do not meet the criteria. Additionally, the threshold does not apply to
  • threshold injuries* under the MAIA, which are injuries that meet the 10% standard but are not classified as permanent impairments. These injuries are eligible for statutory benefits under the CTP scheme.

Evidence Required to Demonstrate Eligibility

To claim compensation under the CTP scheme, you must provide evidence that your injuries meet the 10% threshold. This typically includes:

  • A medical report from a registered medical practitioner confirming the impairment percentage
  • Documentation of the accident, such as police reports or witness statements
  • Medical records showing the nature and extent of your injuries
  • Evidence of how the injuries have affected your daily life or capacity to work

The medical report must be prepared in accordance with the Motor Accident Guidelines and include clinical findings that support the impairment rating. If your claim is denied, you may need to seek a second opinion or request a review by SIRA.

Time Limits and Dispute Options

There are time limits for making a CTP claim. Generally, you must notify the at-fault driver's insurer within 52 weeks of the accident. If your injuries are below the 10% threshold, you may still be eligible for weekly benefits and treatment payments under the CTP scheme, but these are limited to 52 weeks. After this period, you may need to pursue a separate claim for compensation.

If you disagree with a decision about your eligibility, you can request a review by SIRA. In some cases, you may also need to seek legal advice to challenge a decision or explore alternative options, such as a common law damages claim.

When to Seek Legal Advice

The 10% threshold is a critical factor in determining whether your claim falls within the CTP scheme. However, the legal rules can be complex, especially when injuries involve multiple conditions or when there are disputes about the impairment rating. For example, a claimant with a 10% impairment from a back injury may also have a separate claim for soft tissue damage, which could affect the overall assessment.

If you are unsure whether your injuries meet the threshold or how to proceed with a claim, it is important to seek legal advice. A solicitor can help you understand your options, prepare your claim, and ensure that you meet all the legal requirements.

Conclusion

The 10% whole person impairment threshold is a key legal standard for determining eligibility under the NSW CTP scheme. If your injuries meet this threshold, you may be eligible for a range of benefits, including weekly payments and treatment and care benefits. However, the process can be complex, and you may need to provide detailed evidence to support your claim. Every claim depends on its own facts, and the outcome may vary depending on the circumstances of your accident and the nature of your injuries. 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.

The information contained in this website is not intended to constitute professional legal advice. You acknowledge that legaladvice.com.au does not provide legal services or legal advice and that you should not rely or act upon any information received from the use of the website.

How LegalAdvice creates and checks content