SDA vs SIL Explained: What’s the Difference Under the NDIS?

If you’re navigating the NDIS, you’ve probably come across the terms SDA (Specialist Disability Accommodation) and SIL (Supported Independent Living).

While they often work together, they are completely different types of funding—and understanding the difference is critical to finding the right home and support.

What is SDA (Specialist Disability Accommodation)?

Specialist Disability Accommodation (SDA) refers to the physical home itself.
It is housing designed for people with extreme functional impairment or very high support needs, and includes features like:

  • Wheelchair accessibility
  • Assistive technology (e.g. ceiling hoists)
  • Reinforced walls (for Robust housing)
  • High Physical Support (HPS) design standards

Key Facts About SDA

  • Funded under the NDIS (for eligible participants only)
  • Covers the cost of the property, not care
  • Includes categories like:
    • High Physical Support (HPS)
    • Robust
    • Improved Livability
    • Fully Accessible

What is SIL (Supported Independent Living)?

Supported Independent Living (SIL) refers to the support services you receive in your home. This includes help with day-to-day living tasks, such as:

  • Personal care (showering, dressing)
  • Cooking and meal preparation
  • Cleaning and household tasks
  • Medication support
  • 24/7 care (if required)

Key Facts About SIL

  • Funded separately to SDA
  • Focuses on care and support, not housing
  • Delivered by a SIL provider.
  • Can be provided in SDA or non-SDA homes.
Services

How Homely Housing Can Help

At Homely Housing, we specialise in:

NDIS Housing Provider Homely Housing based in Melbourne SDA vs SIL explained.

SDA vs SIL: What’s the Difference?

FeatureSDASIL
What it coversHousingSupport services
PurposeProvides a suitable homeHelps you live independently
Funding TypeCapital (property)Support (care)
Who provides itSDA ProviderSIL Provider
Can you have both?YesYes

How SDA and SIL Work Together

In many cases, participants receive both SDA and SIL funding.
Example:

  • SDA pays for a High Physical Support home in Melbourne
  • SIL Pays for 24/7 support staff inside that home.

This combination allows participants to:

  • Live safely
  • Maintain independence
  • Receive the care they need

Do You Need SDA, SIL, or Both?

It depends on your individual needs and your NDIS plan.

You may need SDA if:

  • Your home requires specialised design
  • You use a wheelchair or assistive equipment
  • Standard housing is not suitable

You may need SIL if:

  • You require daily support
  • You need help with personal care or routines
  • You benefit from structured support

Can you get SIL without SDA?

Yes – and this is a common misconception.

You can receive SIL:

  • In a private rental
  • In your family home
  • In shared accommodation

Can you get SDA without SIL?

Yes – but only in certain cases.

Some participants:

  • Live Independently
  • Require accessible housing
  • Do not need daily support
Ready to Find your SDA Home?
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