Navigating the NDIS application process for psychology support can feel like you're trying to solve a puzzle with half the pieces missing. I've seen so many families get tripped up by avoidable mistakes that end up delaying their access to crucial mental health support.
The truth is, most people don't realise how specific and detailed the NDIS needs you to be when applying for psychology funding. It's not enough to say "my child needs help" – you need to paint a complete picture of why, how, and what that support will achieve.
Let me walk you through the seven most common mistakes I see, so you can dodge these pitfalls and get the psychology support your family needs.
Mistake #1: Skimping on Evidence for Your Mental Health Condition
Here's the thing – the NDIS doesn't just take your word for it. They need solid, comprehensive evidence that shows your psychological condition is permanent and significantly impacts daily life.
I've seen applications get knocked back because families submitted just a GP referral or a brief diagnosis letter. That's not nearly enough. You need detailed reports from psychologists, psychiatrists, or other mental health specialists that clearly demonstrate:
- How the condition affects communication and social interactions
- The impact on daily living skills and self-care
- Challenges with learning, work, or education
- Effects on community participation and relationships

If you're dealing with conditions like anxiety, depression, ADHD, or autism spectrum disorder, make sure your evidence shows specific examples of functional impact, not just symptoms. The NDIS wants to understand how psychology support will make a real difference to your everyday life.
Mistake #2: Being Too Vague About What You Actually Need
"We need psychology sessions" is about as helpful as saying "we need food" when someone asks what you want for dinner. The NDIS planners need specifics.
Instead of generic requests, be crystal clear about:
- What type of psychological intervention you need (cognitive behavioural therapy, play therapy, social skills training)
- How often you need sessions
- What specific goals you're working towards
- How this support will help with daily challenges
For example, rather than saying "my teenager needs mental health support," try "my 16-year-old needs weekly psychology sessions using CBT techniques to manage anxiety that prevents them from attending school and participating in social activities."
Mistake #3: Thinking Your Diagnosis Does All the Talking
I get it – when you've got a formal diagnosis of PTSD, bipolar disorder, or autism, it feels like that should be enough. But the NDIS doesn't fund based on labels; they fund based on how your condition actually affects your life.
Two people with the same diagnosis can have completely different support needs. Your application needs to show your unique story – how YOUR anxiety manifests, how YOUR depression impacts daily routines, how YOUR ADHD affects relationships and work.
Don't assume the planners will fill in the gaps. Spell out exactly how your psychological condition creates barriers in different life areas and how professional psychology support will address these specific challenges.
Mistake #4: Forgetting to Connect Psychology Support to Your Goals
The NDIS is all about goals – what do you want to achieve, and how will the support help you get there? If you can't draw a clear line between psychology funding and your personal objectives, your application might fall flat.
Your goals should be specific and measurable. Instead of "improve mental health," try:
- "Develop coping strategies to manage panic attacks so I can return to work"
- "Build social skills to maintain friendships and participate in community activities"
- "Learn emotional regulation techniques to improve family relationships"

Then clearly explain how psychology sessions will help achieve each goal. The NDIS wants to see that their investment will lead to meaningful outcomes in your life.
Mistake #5: Missing Documents or Using Outdated Information
Nothing slows down an NDIS application like missing paperwork. I've seen families wait months longer than necessary because they didn't include crucial documents or submitted outdated assessments.
Make sure you've got:
- Current psychological assessments (ideally within the last 12 months)
- Treatment plans from all your mental health providers
- School reports or workplace assessments if relevant
- Any previous NDIS plans or reviews
- Medical records that show the permanence of your condition
If you've been seeing multiple professionals – GP, psychologist, psychiatrist, counsellor – include documentation from all of them. This gives a complete picture of your support needs and current interventions.
Mistake #6: Going It Alone When You Don't Have To
The NDIS application process is complex, and when you're dealing with mental health challenges, it can feel overwhelming. Many people struggle through alone when help is available.
Consider getting support from:
- An NDIS support coordinator who understands psychology funding
- A disability advocate who can help present your case
- Your current psychologist or mental health professional
- Family members or friends who can help with paperwork

At Psychology NSW, we regularly help families navigate the NDIS application process. We understand what evidence is needed and how to present your case in the strongest possible light. Don't be afraid to ask for help – it's what we're here for.
Mistake #7: Submitting and Forgetting
Once you've submitted your application, don't just sit back and wait. The NDIS process involves multiple steps, and staying engaged is crucial.
Keep track of:
- Important dates and deadlines
- Requests for additional information
- Planning meeting schedules
- Plan reviews and renewals
Follow up if you haven't heard anything within reasonable timeframes. Be responsive when the NDIS contacts you for more information. The squeaky wheel really does get the grease in this system.
Getting Your Application Right the First Time
Beyond avoiding these mistakes, successful NDIS psychology applications share some common elements:
Be specific about functional impact: Don't just list symptoms – explain how they affect daily life, relationships, work, and community participation.
Use concrete examples: Instead of "struggles with anxiety," write "experiences panic attacks that prevent leaving the house for grocery shopping or attending social events."
Show how things have been tried: Demonstrate what support you've already accessed and why additional psychology intervention is needed.
Include multiple perspectives: Get input from teachers, employers, family members, or other professionals who can speak to your support needs.

Prepare for your planning meeting: Come with notes, examples, and a clear understanding of what you're asking for and why.
The Bottom Line
Applying for NDIS psychology support doesn't have to be a nightmare, but it does require careful preparation and attention to detail. By avoiding these seven common mistakes, you're setting yourself up for a much smoother process and better outcomes.
Remember, the NDIS wants to fund support that makes a real difference to your life. Your job is to clearly show them why psychology support is essential for your wellbeing and how it will help you achieve your goals.
If you're feeling overwhelmed by the process, don't hesitate to reach out for professional support. At Psychology NSW, we're experienced in helping families navigate NDIS applications and access the mental health support they need.
The investment in getting your application right the first time is worth it – both for faster access to support and for ensuring you receive adequate funding for the psychology services that will make a genuine difference to your life.