July 2, 2026

SDA Bedroom, Bathroom & Kitchen: Designs, Features & Cost Guide

SDA stands for Specialist Disability Accommodation, which is an NDIS-funded accommodation made for people from Australia having extreme functional impairments or requiring high levels of support. In the context of SDA houses, interior design is not just limited to appearance. It plays a critical role in influencing the safety, dignity, independence, and well-being of the person residing there. Although all SDA homes meet the NDIS Design Standards, some requirements depend upon the categorisation of the house, i.e., Improved Liveability, Fully Accessible, High Physical Support, or Robust. In this article, we will see how bedrooms, bathrooms, and kitchens in the SDA houses are designed, which accessibility elements are incorporated into them, and their approximate costs in Australia.

Understanding SDA Design Standards

All SDA homes are designed using one of the four types of NDIS design categories, where different room criteria apply for determining which components must be installed and which can be added optionally. There are four NDIS design categories, namely: Improved Liveability, Fully Accessible, High Physical Support and Robust. The right SDA home design can vary depending on the participant’s physical support needs. Below are the key features of these categories:

SDA Category	Bedroom Features	Bathroom Features	Kitchen Features	Best For
Improved Liveability	Wider doorways, accessible storage, adjustable lighting, slip-resistant flooring	Level-access shower, grab rails, lever taps, slip-resistant tiles	Lowered benchtops, lever mixers, accessible storage, task lighting	Participants with sensory or cognitive disabilities
Fully Accessible	Ceiling reinforcement, wheelchair turning space, smart switches, emergency call buttons	Roll-in shower, fold-down seat, height-adjustable shower, accessible vanity	Adjustable benchtops, wheelchair clearance, pull-out pantry, induction cooktop	Participants using manual or power wheelchairs
High Physical Support	Ceiling hoists, automated blinds, reinforced walls, full mobility equipment space	Ceiling hoists, adult change facilities, smart toilet, height-adjustable basin	Motorised benchtops, voice controls, automated cupboards, smart appliances	Participants with very high physical support needs
Robust	Impact-resistant surfaces, secure fittings, reinforced walls, durable flooring	Reinforced fixtures, high-durability tiles, secure grab rails	Heavy-duty cabinetry, durable benchtops, impact-resistant appliances	Participants with complex behavioural support needs

Read: What is SDA housing

SDA Bedroom Design Requirements

The bedroom is where the participants start and end their days. The bedroom design can have a great effect on independence and comfort.

From the door sizes to the power outlet location, every single element must cater to the needs of the participant. This will be discussed in the sections that follow.

Typical Features of an SDA Bedroom

Perth SDA home builders design bedrooms with a range of accessibility features that vary by category. Common inclusions are:

Improved Liveability requirements:

Minimum bedroom size of 3,100mm x 3,100mm, wall to wall
1,400mm-wide robe, provided separately from that footprint
Corridors at least 1,000mm wide
Doorways with a minimum clear opening of 820mm
Door handles mounted 900mm to 1,100mm above floor level

Fully Accessible and High Physical Support requirements:

Fits a minimum queen bed (1,530mm x 2,100mm)
1,540mm circulation space down one side of the bed, 1,000mm down the other two sides
Corridors widened to 1,200mm minimum
Door openings of 900mm (Fully Accessible) or 950mm (High Physical Support)
Three double power points behind the bed head, at least one more on the opposite wall

High Physical Support bedrooms also need structural provision for a ceiling hoist rated to at least 250kg, capable of travelling the length and width of the bed, plus two hours of battery backup for at least two double power points during an outage. Many custom home builders in Perth will include extra structural support for ceiling hoist systems, as well as reinforced wall areas to allow the use of transfer equipment and assistive technologies.

Typical Cost of an SDA Bedroom

The SDA bedroom build cost depends greatly on whether the dwelling is new construction or retrofitted, the design category and the needs of the individual. Indicative cost ranges for some typical bedroom items are as follows:

Bedroom Feature	Estimated Cost (AUD)
Ceiling hoist reinforcement	$4,000 – $8,000
Automatic blinds	$2,000 – $9,000
Smart lighting system	$800 – $3,000
Accessible wardrobes	$1,500 – $4,500
Emergency call system	$500 – $2,500
Slip-resistant flooring	$50 – $120 per m2

Costs for new SDA housing tend to be lower per feature than retrofits, as accessibility elements can be incorporated during construction rather than added later. Structural changes such as ceiling hoist installation are significantly more expensive when completed retrospectively.

Read: How much to build a SDA housing

SDA Bathroom Design Requirements

The bathroom poses many of the highest safety hazards to those with disabilities. An experienced SDA home builder Perth will pay extra attention to making the bathroom space accessible for participants.

From non-slip floors to automated fixtures, the design elements that need to be incorporated into the bathroom of an SDA accommodation need to be considered based on the participant’s functional abilities and activities. The following section provides details on the features of bathrooms in SDA houses.

Essential SDA Bathroom Features

The bathroom is where the Design Standard gets most granular, because this is also where the injury risk is highest.

Shower and tap requirements (Fully Accessible and High Physical Support):

Corner-positioned shower, minimum footprint 1,160mm x 1,000mm
Hobless, flush with the surrounding floor
Lever-style taps, mounted 900mm to 1,100mm above floor level
Taps positioned 300mm to 800mm from the internal corner
Height-adjustable shower head and hose

Toilet and reinforcement requirements:

Pan centreline 450mm to 460mm from the side wall
Front edge 800mm (plus or minus 10mm) from the back wall
Minimum circulation space of 1,900mm x 2,300mm around the toilet
Wall reinforcement behind the WC, shower, and basin using sheeting at least 12mm thick, extending to 2,100mm above floor level
An additional 600 mm reinforcement on at least one side of the toilet for grab rail mounting
Basins with a minimum depth of 430mm, tap controls within 300mm of the basin edge
Floor slip resistance rated P3 or R10 minimum

High Physical Support builds can also opt for a full adult change facility instead of a standard toilet layout, with 900mm of clear circulation space on both sides of the pan.

SDA Bathroom Cost Guide

The SDA bathroom building cost is among the most expensive aspects of SDA construction and outfitting. Cost ranges for these critical bathroom inclusions are shown below:

Bathroom Feature	Typical Cost (AUD)
Roll-in shower	$3,000 – $8,000
Grab rails (full set)	$300 – $1,200
Accessible vanity	$800 – $3,000
Smart toilet	$1,500 – $5,000
Ceiling hoist	$5,000 – $15,000
Fold-down shower seat	$200 – $600
Slip-resistant flooring	$50 – $120 per m2

SDA Kitchen Design Requirements

The SDA kitchen that is designed well may be the deciding factor between someone who can prepare their own meals and someone who is dependent on others to help them with daily tasks. You should get in touch with Perth home builders who know how to follow the NDIS design standards for an accessible kitchen.

Most SDA housing providers know that kitchens must incorporate accessibility and safety while remaining functional. The details of what should be considered are outlined below:

Key Accessibility Features

SDA NDIS kitchens cater to people with different physical capabilities.

Clearance and lighting requirements:

Minimum 1,000mm clear space in front of fixed benches and appliances (Improved Liveability)
Minimum 1,550mm clear space (Fully Accessible and High Physical Support), measured from the leading edge of the outermost bench
Task lighting of at least 300 lux, tested 1,500mm above the benchtop surface

Higher-category requirements:

Height-adjustable bench section (600mm depth), moving from 720mm to 1,020mm of clear space underneath
Fixed accessible benchtop of the same depth, positioned beside the cooktop and oven
Side-hinged wall oven, handle mounted 600mm to 1,100mm above floor level, with at least one telescopic shelf
Cooktop positioned at least 300mm from any internal corner, controls accessible from the front or side
Wheelchair-accessible pantry and drawer-style dishwasher, both mandatory rather than optional

Typical Kitchen Costs

The SDA kitchen build cost can vary widely based on the complexity of the installation and design category. Indicative cost ranges are outlined below:

Kitchen Feature	Typical Cost (AUD)
Adjustable benchtop (motorised)	$3,000 – $8,000
Accessible cabinetry	$2,000 – $6,000
Pull-out pantry	$800 – $2,500
Accessible sink	$600 – $2,000
Side-opening oven	$1,200 – $3,500
Smart controls/ home automation	$1,500 – $5,000
Induction cooktop	$300 – $1,200

Conclusion

A well-planned SDA bedroom, bathroom, and kitchen is all about promoting independence, better quality of life, and future accessibility instead of mere compliance. A properly planned SDA housing Perth not only provides comfort, safety, and a better quality of life but also helps in designing an environment that can stay accessible in the long run. As a participant, family member, or SDA service provider, it is best to consult SDA experts on how your house design will meet the requirements of NDIS and the residents living there.

Disclaimer: All costs mentioned in this guide are estimates only and are intended as a general guide. Actual costs will vary depending on your location, design category, individual requirements, supplier pricing, and whether the project is a new build or retrofit. Always obtain detailed quotes from qualified professionals before making any financial decisions.