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SDA Eligibility Checklist: Do You Qualify?

SDA eligibility is based on your disability-related functional needs and whether specialist housing is reasonable and necessary for you. Having an NDIS plan, needing accessible housing, or having a particular diagnosis does not automatically mean you qualify for SDA.

The NDIA considers your individual circumstances, including how your disability affects your daily functioning, the level of support you require, and whether standard housing or other options can reasonably meet your housing needs.

Use this checklist to understand the main eligibility requirements, the evidence that can support an application, and what happens after the NDIA makes its decision.

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SDA Eligibility: Check These Three Requirements

To be considered for SDA, you generally need to meet the relevant NDIS requirements and demonstrate that specialist disability accommodation is appropriate for your circumstances.

1. You Are an NDIS Participant

SDA is a support available through the NDIS. You must meet the relevant NDIS access requirements before SDA funding can be considered.

2. You Meet an SDA Disability Threshold

The SDA rules recognise two main pathways:

  • Extreme functional impairment
  • Very high support needs

You generally need to meet one of these thresholds, not both.

3. SDA Is Reasonable and Necessary for Your Circumstances

Your evidence needs to show why specialist housing is required. The NDIA considers whether your housing needs could reasonably be met through other options, including mainstream housing or reasonable modifications to a property.

Meeting one of the disability thresholds does not, by itself, guarantee SDA funding. The NDIA considers the complete picture before making its decision.

When You Enquire With Us About Sda Homes
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Do You Meet the Extreme Functional Impairment Pathway?

Extreme functional impairment relates to the significant impact your disability has on your ability to function in everyday life.

The assessment can consider areas such as:

  • Mobility
  • Self-care
  • Self-management
  • Your ability to complete everyday activities
  • The level of assistance you require, including with appropriate assistive technology

The important point is functional impact. A diagnosis by itself does not establish SDA eligibility.

For example, two people can have the same diagnosis but have very different functional abilities and housing requirements. The evidence needs to explain what you can and cannot do in your current circumstances and why your housing environment is relevant to those limitations.

Could You Qualify Through Very High Support Needs?

The second pathway relates to participants who have very high levels of support needs.

This can involve requiring substantial assistance from another person for most of the day, together with circumstances where informal supports such as family or friends cannot reasonably provide the required level of support, or where there are significant risks without appropriate support.

Your application should explain the actual level and nature of support required, rather than simply stating that you need a lot of assistance.

Evidence may need to show:

  • How much support you require throughout the day
  • What tasks require assistance
  • Whether your current informal supports can realistically continue providing that level of care
  • Any relevant safety concerns
  • Why your current housing situation is unsuitable for your support needs
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Three women in a bright office discuss around a table with a large map; one is in a wheelchair and listening.

Your Diagnosis Is Not the SDA Eligibility Test

A common misunderstanding is that having a particular disability or diagnosis automatically qualifies someone for SDA. It doesn’t.

The NDIA looks at how your disability affects your functional capacity and support needs. Your diagnosis is relevant background information, but the stronger question is:

What does your disability mean for the way you live, move, communicate, manage daily activities and receive support, and why does your housing environment matter?

This is why functional evidence matters when preparing an SDA request.

SDA Evidence Checklist: What Should You Prepare?

Good evidence connects your disability and functional needs directly to your housing requirements.

Depending on your circumstances, your evidence may include:

Functional Capacity Assessment

An Occupational Therapist can assess how your disability affects your everyday functioning and explain the level of assistance or environmental support you require.

Housing Assessment

A housing assessment can help explain why your current home or ordinary housing options are not suitable and what specialist housing features are required.

Reports From Your Treating Team

Reports from relevant health professionals and allied health practitioners can provide supporting information about your disability, functional limitations, support needs and current circumstances.

Evidence About Your Current Housing

Information about your current living situation can help demonstrate what is not working and why ordinary housing or reasonable modifications may not adequately address your needs.

Evidence of Informal Support Limitations

If very high support needs are relevant to your application, information about the availability and sustainability of family, friends or other informal supports may also be important.

The evidence required will depend on your circumstances. No single document guarantees SDA approval.

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Two women laugh together at a wooden table in a bright living room; one woman uses a wheelchair on the left.

Before You Apply: Use This SDA Evidence Checklist

Before submitting your request, check whether your evidence clearly answers these questions:

  • What are my main functional limitations?
  • What support do I require during a typical day?
  • What problems does my current housing create?
  • Why wouldn’t ordinary housing meet my needs?
  • Could reasonable modifications make ordinary housing suitable?
  • What specialist housing features do I require?
  • Which SDA design category supports my functional needs?
  • Are my reports current and consistent with my present circumstances?
  • Have relevant professionals explained the housing implications of my disability?
  • If I rely on informal support, can that level of support realistically continue?

If your evidence describes your disability but doesn’t clearly explain why you need specialist housing, there may be an important gap in the application.

What If Standard Housing or Modifications Could Meet Your Needs?

SDA is intended for participants whose housing needs cannot reasonably be met through ordinary housing options.

This means your evidence should not only describe what you need. It should also explain why standard housing, including reasonable modifications where appropriate, would not adequately meet those needs.

For example, you may need to explain why ordinary accessibility changes are insufficient, why the required level of support cannot be safely delivered in your current environment, or why specific specialist housing features are necessary. The NDIA considers this as part of the overall decision.

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SDA Eligibility and Design Category Are Two Different Questions

Being eligible for SDA is not the same as deciding which SDA design category is appropriate.

Once your housing needs are assessed, the relevant design category needs to reflect your functional requirements.

The four SDA design categories are:

  • High Physical Support – for participants requiring a very high level of physical support and specialist features within the dwelling.
  • Fully Accessible – for participants who require a high level of physical accessibility within the home.
  • Improved Liveability – for participants who benefit from features designed around cognitive, sensory or intellectual support needs.
  • Robust – for participants whose support needs require a more resilient and durable housing environment.

You don’t simply select whichever category you prefer. The appropriate category is connected to your assessed needs and the type of housing environment required.

Explore the SDA design categories:

 

What Happens After You Submit Your SDA Evidence?

Submitting evidence does not automatically add SDA funding to your plan.

The NDIA considers the information provided and determines whether SDA funding is appropriate based on the relevant rules and your individual circumstances.

If SDA is approved, the next stage is finding a suitable property within your approved funding and design category.

This is separate from finding support workers. SDA relates to the specialist dwelling, while Supported Independent Living and other support arrangements are considered separately.

Your support coordinator, where you have one, can help coordinate the housing search and other supports around the move.

Family Visit
SDA support process in Melbourne

How to Start an SDA Request

If SDA is not currently included in your NDIS plan, start by discussing your housing needs with the professionals involved in your support.

Depending on your circumstances, this may include:

  • Your Occupational Therapist
  • Support coordinator
  • Local Area Coordinator
  • Other allied health professionals
  • Your treating team

The evidence should clearly explain your functional needs, your current housing situation and why specialist disability accommodation is required.

The NDIA makes the funding decision. Hilda Care cannot approve SDA funding or guarantee that an application will be successful.

Why an SDA Application May Need More Evidence

An application can be difficult to assess when the evidence does not clearly connect the participant’s disability to their housing needs.

Common gaps can include:

  • Reports that are too general about the person’s functional limitations
  • Evidence that does not explain why ordinary housing is unsuitable
  • Limited information about the participant’s current living environment
  • Insufficient detail about daily support requirements
  • Outdated information that no longer reflects the participant’s circumstances
  • A housing recommendation that does not clearly explain the specialist features required

This doesn’t mean every application with one of these issues will be declined. It simply highlights why clear, individualised evidence matters.

If the NDIA asks for additional information, respond to the specific questions or evidence gaps rather than resending the same information.

Sda Funding Before Contacting Hilda Care
Melbourne participants choosing SDA housing

What If Your SDA Request Is Not Approved?

If your request is not approved, read the NDIA’s decision carefully to understand why.

The next step depends on the reason for the decision and your circumstances. You may need to provide further evidence, address specific information gaps, or consider the review options available to you.

A support coordinator, LAC or relevant professional can help you understand what the decision means and what options may be available.

If your circumstances have changed, make sure the new information is clearly documented rather than relying only on your previous evidence.

SDA Eligibility FAQs

Do I need a specific diagnosis to qualify for SDA?

No. SDA eligibility is not based on having one particular diagnosis. The NDIA considers how your disability affects your functional capacity, support needs and housing requirements.

Do I need to be an NDIS participant before I can receive SDA?

Yes. SDA is funded through the NDIS, so you need to meet the relevant NDIS requirements before SDA funding can be considered.

Do I need both extreme functional impairment and very high support needs?

No. These are separate pathways. Your circumstances are considered against the relevant SDA eligibility requirements.

Does having a wheelchair automatically make me eligible for SDA?

No. Using a wheelchair or another mobility aid does not automatically establish SDA eligibility. The NDIA considers your overall functional needs and whether you require specialist housing.

Does needing a support worker automatically qualify me for SDA?

No. Many NDIS participants receive support workers without being eligible for SDA. The level and nature of your support needs, together with your housing requirements, are considered.

Can I get SDA if I don't currently have SDA funding in my plan?

You can ask the NDIA to consider SDA if you believe you meet the requirements. You will need appropriate evidence supporting your request.

Who decides whether I qualify for SDA?

The NDIA makes the SDA funding decision. An Occupational Therapist or other professional can provide evidence and recommendations, but they do not approve SDA funding.

Does SDA approval automatically include SIL?

No. SDA and SIL are separate supports. SDA approval does not automatically mean SIL will be funded.

Can I choose my SDA design category?

You can discuss your housing needs and preferences, but the appropriate design category is based on your assessed functional and housing requirements.

How long does SDA approval take?

There is no single timeframe that applies to every participant. The process can depend on the evidence required, your circumstances and the NDIA’s assessment process. Starting the evidence-gathering process early can help avoid unnecessary delays.

Can I apply for SDA again after a previous decision?

Your options depend on the decision and your circumstances. If your situation has changed or additional evidence is available, discuss the appropriate next step with your support coordinator, LAC or relevant professional.

Need Help Understanding Your SDA Options?

The NDIA decides SDA eligibility, but understanding the housing side of the process can make it easier to know what you’re working toward.

If you’re gathering evidence, already have SDA funding, or want to understand the different SDA design categories and the types of homes available, Hilda Care can explain how our SDA housing works.

Speak With Hilda Care

Hilda Care is a registered NDIS provider (Provider Registration Number 4050126032) and provides SDA housing across Melbourne.

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