How Long Does the NDIS Application Take? (2025 Guide)
Applying for the National Disability Insurance Scheme (NDIS) can feel overwhelming, especially when you are unsure about the waiting time involved. Many people ask the same question: How long does the NDIS application take? Moreover, the timeline varies depending on your circumstances, including the evidence you submit, as well as how quickly the NDIA (National Disability Insurance Agency) can review your information. Additionally, processing times can shift based on documentation quality, further, any requests for extra evidence may extend the timeline, therefore making preparation essential.
This guide explains each stage of the process in detail, what affects approval timeframes, as well as how to speed up your application so that, ultimately, you can access supports sooner and more confidently.
how long does the NDIS application take to get a decision?
The NDIA aims to make an access decision within:
21 days from receiving your complete Access Request Form
(according to the NDIS Act and NDIA service standards)
However, this timeframe applies only when all required evidence is provided. In fact, if documents are missing, unclear, or incomplete, for example, the NDIA may request more information; consequently, delays can occur. Furthermore, these requests often extend processing times; therefore, applicants should prepare documents carefully to ensure faster review and smoother progress.
NDIS application timeline: how long does the NDIS application take step-by-step
Here is the typical timeline from start to finish; firstly, it outlines each major step, then, it highlights how long each stage usually takes, and finally, it helps you understand the overall process clearly.
submitting your NDIS Access request to start the NDIS application
You can request access by, firstly, contacting the NDIA directly; alternatively, you can submit an Access Request Form; additionally, parents of young children may apply through an ECEI partner.
- calling the NDIA
- submitting an Access Request Form
- applying through an ECEI partner (for children under 7)
Time required: Immediate once submitted.
NDIA reviewing your NDIS Application Documents
Once the NDIA receives all documents, they begin reviewing your file; firstly, they check your medical evidence; next, they assess your functional reports; then, they verify your identity documents; after that, they confirm eligibility information; furthermore, they may compare details across reports; in addition, they assess whether the evidence meets NDIS criteria; ultimately, this review determines your access decision.
- medical evidence
- functional assessments
- identity documents
- consent forms
Standard timeframe:
Up to 21 days to make a decision.
If they need more information:
They will send a request, adding 1–8 extra weeks, depending on how fast you respond.
Approval or Not Approved Decision (Immediate notification)
If approved:
- You receive a letter
- NDIA contacts you to schedule your planning meeting
If not approved:
- You can request an Internal Review (takes 6–12 weeks)
- Or submit a new Access Request with stronger evidence
how long does the NDIS application take before the planning meeting?
After you receive an approval letter:
Planning meeting is usually scheduled within 2–4 weeks.
This meeting determines:
- your goals
- support needs
- funding amounts
- support categories
Total Average Time: How long does the NDIS application usually take? (2025)
Taking all factors into account:
Fastest cases: 2–3 weeks
(detailed evidence, complete forms, no delays)
Standard cases: 4–8 weeks
(most applicants)
Delayed cases: 10–20 weeks
(missing medical evidence, unclear reports, or specialist referrals needed)
What Causes delays in how long the NDIS application takes?
Not all delays are caused by the NDIA.
Common delay factors include:
Missing medical evidence in your NDIS application
NDIA pauses the assessment until documents are received; therefore, the process cannot continue. Additionally, this delay affects your overall timeline. Furthermore, missing reports often require follow-up. As a result, applicants may wait longer than expected. Ultimately, providing complete evidence prevents unnecessary delays.
GP reports not detailed enough for NDIS application
Diagnosis alone is not enough; instead, they want functional impact. Moreover, the NDIA needs clear examples of daily challenges. Additionally, assessments must show how the condition affects independence. For example, difficulties with mobility or communication should be documented. Furthermore, strong evidence helps determine eligibility. Ultimately, functional impact carries more weight than diagnosis.
No functional assessments
OT, physio, speech, or psychology reports are often required; additionally, these assessments help demonstrate functional impact. Moreover, they provide detailed examples of daily challenges. In many cases, they strengthen the overall application. For example, therapist reports often clarify the level of support needed. Ultimately, submitting strong evidence leads to faster decisions
Medical appointments with long wait times
Especially for paediatric specialists and psychologists, delays can occur; moreover, appointment wait times are often long. Additionally, families may struggle to secure timely assessments. For example, developmental evaluations can take months. Consequently, these delays slow down the NDIS review process. Ultimately, early preparation helps reduce waiting times.
Incomplete forms or missing ID
Delays the start of assessment; moreover, it slows the entire NDIS application process. Additionally, missing details require follow-up. For example, the NDIA may request clarification before proceeding. Consequently, your overall timeline becomes longer. Ultimately, submitting complete information helps prevent delays.
NDIA requesting more information
Adds 2–8 weeks depending on how fast you respond.
how to speed up how long the NDIS application takes
You can reduce delays by preparing properly before applying.
1. Gather medical and functional evidence early
Reports from GPs, specialists, OTs, physios, speech therapists, psychologists.
2. Make sure reports include function, not just diagnosis
NDIA wants real-life examples.
3. Include multiple assessments if needed
More clarity = faster decision.
4. Respond quickly to NDIA requests
Delays usually occur when waiting for documents.
5. Ensure your Access Request Form is complete
Missing information = paused assessment.
6. Work with a support coordinator or plan nominee
They help organise evidence properly.
how long does the nDIS application take for children under 7 (ECEI)?
ECEI applications move differently:
- No diagnosis required
- Early childhood partner involved
- Developmental assessments may be needed
Average timeline:
3–6 weeks if documentation is strong
6–12+ weeks if assessments are delayed
For a deeper understanding of eligibility and supporting evidence, you can also read our detailed guide on how to get started on the NDIS, which explains documentation requirements and the full application process.
What happens if the NDIA Rejects you application? (Timeline included)
If the NDIA finds you do not meet eligibility criteria:
You can request:
Internal Review
NDIA re-assesses your application.
Takes 6–12 weeks.
Administrative Appeals Tribunal (AAT)
If still not approved.
Takes several months.
Submit a fresh Access Request
Stronger functional evidence gives a better chance.
how to know if the NDIS application is delayed and how long it may take
You may be delayed if:
- NDIA has not contacted you within 21 days
- They ask for more evidence
- Your medical specialists take long to respond
- You are waiting for a paediatrician or psychologist report
- Your application is under review or pending clarification
You can call NDIA (1800 800 110) to check your status at any time.
Conclusion
So, how long does the NDIS application take?
On average, most people receive a decision within 4–8 weeks, but this depends heavily on the quality and completeness of your evidence.
The NDIA aims for a 21-day decision timeframe, but missing or unclear documentation can significantly delay the process.
With strong medical and functional assessments, timely responses, and properly organised evidence, you can greatly improve your chances of receiving a faster and smoother approval.
FAQs
How long does the NDIS take after submitting forms?
Up to 21 days if all evidence is included.
Does the NDIA contact my doctor?
Sometimes, but applicants should submit complete medical reports first.
How long after approval is the planning meeting?
Usually within 2-4 weeks.
How long does an Internal Review take?
Generally 6-12 weeks.
Does having a diagnosis speed up the process?
No, functional impact matters more than diagnosis alone.
For official information on access requirements, you may visit the NDIS website, which provides government-approved guidelines on eligibility, functional assessments, and access request forms.