NDIS SDA Density Calculator
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NDIS SDA Density Calculator

Instructions on use of Vista Access Architect’s NDIS SDA density calculator

Fill in all fields. In the first column provide the total numbers of all different dwelling types that are available in the development on a single parcel of land. Note that 'total' numbers of dwelling types are required, regardless of fact that an SDA participant may or may not occupy that particular dwelling type. If a dwelling type is not provided in the development then note as ‘0’ (zero). This will generate the total number of 'Residents' in the development based on 1 bedroom per resident. In the second column, select ‘Yes’ if any SDA 'Participant' is occupying or intending to occupy that particular dwelling type. Selecting ‘Yes’ would mean that, the particular type of dwelling is an Enrolled dwelling ie will be enrolled with NDIS as an SDA dwelling.



Dwelling Types Total numbers of all Dwelling types on a single parcel of land (regardless of occupancy by an SDA participant) Dwellings enrolled as SDA i.e. SDA participants will occupy one or more of the following dwelling types. Select Yes or No
1 Bedroom dwelling
(can be apartment / villa / duplex or townhouse)
2 Bedroom dwelling
(can be apartment / house / villa / duplex or townhouse)
3 Bedroom dwelling
(can be apartment / house / villa / duplex or townhouse)
4 Bedroom dwelling
(can be a group home)
5 Bedroom dwelling
(can be a group home)
 
Is this development an Intentional Community ?
(Select Yes or No)
 
Total number of Bedrooms in development
Maximum Number of SDA participants permitted
on a single parcel of land

(answer is rounded down to the nearest whole number)




Purpose of the Calculator
This Calculator is to assist with the density requirement calculations based on Vista Access Architect’s interpretation of density restrictions noted in the NDIS (National Disability Insurance Scheme) SDA (Specialist Disability Accommodation) Rules 2016.

Our interpretation
In the context of NDIS SDA Rules 2016: ‘Participants’ are people with SDA in their NDIS plan.
‘Residents’ are total number of people who can reside in a development including within a dwelling enrolled or being enrolled for SDA. For purposes of calculations it is assumed that one bedroom equates to one resident. Therefore, the number of participants with SDA in their plan intended to reside in the dwelling may be lower than the number of residents for which the dwelling is being enrolled.
‘Enrolled dwelling’ is a dwelling that is occupied or intended to be occupied by an SDA ‘participant’.
‘Intentional community’ has a defined and explicit agreement under which residents have agreed to live in accordance with shared common values, including the principle of mutual support; is controlled by the members or residents and is not governed by a single entity such as a support provider; and includes general market housing, and is not solely designed to provide supported accommodation services.

Density restriction Clause 6.15 is as noted below.
If any of the dwellings on the parcel of land is enrolled to house three or more residents, then the density restriction is satisfied if the number of participants with SDA in their plan who reside in a dwelling on the parcel and receive SDA funding is no more than the greater of: (a) 10; and (b) 10% of the total number of residents capable of residing on the parcel, assuming one resident per bedroom.

Density restriction Clause 6.17 is as noted below
If all of the dwellings that are enrolled on the parcel are enrolled to house only one or two residents per dwelling, then the density restriction is satisfied if the number of participants with SDA in their plan who reside in a dwelling on the parcel and receive SDA funding is no more than the greater of: (a) 15; and (b) 15% of the total number of residents capable of residing on the parcel, assuming one resident per bedroom.

Density restriction Clause 6.16 is as noted below
In the case of intentional communities: (a) if any of the dwellings on the parcel of land is enrolled to house three or more residents, then the density restriction is satisfied if the number of participants with SDA in their plan who reside in a dwelling on the parcel and receive SDA funding is no more than the greater of: (i) 10; and (ii) 10% of the total number of residents capable of residing on the parcel, assuming one resident per bedroom; (b) if all of the dwellings that are enrolled on the parcel are enrolled to house only one or two residents per dwelling, then the density restriction is satisfied if the number of participants with SDA in their plan who reside in a dwelling on the parcel and receive funding is no more than the greater of: (i) 15; and (ii) 25% of the total number of residents capable of residing on the parcel, assuming one resident per bedroom.

Disclaimer:
This calculator is based only on Vista Access Architect’s personal interpretation of density restrictions noted in the National Disability Insurance Scheme (Specialist Disability Accommodation) Rules 2016. This calculator is not endorsed by the NDIA and users are advised to make their own inquires in regard to density directly with NDIA. Use calculator at your own risk. Vista Access Architects shall not be held liable for use of the Calculator.