SDA Design Categories Explained

Comprehensive guide to the 4 SDA design categories. Understand the features, suitability, and funding differences between Improved Liveability, Fully Accessible, Robust, and High Physical Support housing.

Categories Overview

Understanding the 4 SDA Design Categories

Each SDA design category is specifically designed to meet different types of functional impairment and support needs. Understanding these categories helps you identify which type of housing would best support your independence and quality of life.

Your Design Category is Based on Your Assessed Needs

The design category recommended for you will be determined by occupational therapy assessment of your functional capacity and housing needs. You may qualify for features from multiple categories, and some housing combines elements from different categories.

Improved Liveability

Base level funding

Enhanced amenity, design and location for people with sensory, intellectual or cognitive impairment.

Best suited for:

Sensory, intellectual, or cognitive impairments

Common conditions:

Autism spectrum disorder
Intellectual disability
Acquired brain injury
Vision or hearing impairments
Sensory processing disorders

Key Features & Design Elements:

Enhanced Lighting & Ventilation

Good natural light and improved air circulation

Large windows, skylights, and ventilation systems that reduce stuffiness and improve comfort

Reduced Auditory Distractions

Sound management and noise reduction features

Sound insulation, quieter appliances, and layout design that minimizes disruptive noise

Visual Cues & Wayfinding

Clear visual navigation and orientation aids

Color coding, clear signage, contrasting surfaces, and consistent layout patterns

Private Outdoor Space

Access to garden or balcony areas

Balconies, patios, or private garden areas for relaxation and sensory breaks

Quality Fixtures & Fittings

Higher standard materials and finishes

Durable, easy-to-clean surfaces with better aesthetic appeal and functionality

This category is suitable for people who:
Visual impairments requiring enhanced lighting
Hearing impairments needing reduced noise
Cognitive impairments benefiting from clear navigation
Sensory processing differences requiring calm environments
Intellectual disabilities needing consistent, understandable layouts

Fully Accessible

Enhanced funding level

Wheelchair accessible design meeting the Livable Housing Australia Platinum standard.

Best suited for:

Wheelchair users and mobility equipment users

Common conditions:

Spinal cord injuries
Multiple sclerosis
Muscular dystrophy
Stroke with mobility impact
Lower limb amputations

Key Features & Design Elements:

Step-free Access Throughout

Level access to all areas of the home

Ramps instead of steps, level thresholds, and accessible pathways throughout

Wide Corridors & Doorways

Minimum 850mm doorways and 1200mm corridors

Doorways and passages sized for wheelchair access with room for maneuvering

Accessible Bathrooms & Kitchens

Roll-under sinks, accessible storage, grab rails

Height-adjustable fixtures, roll-in showers, accessible cabinetry and storage

Appropriate Floor Surfaces

Non-slip, low-maintenance flooring

Smooth, stable surfaces suitable for wheels with minimal joints and transitions

Accessible Controls & Switches

Reachable light switches, power points, and controls

Controls positioned at accessible heights with easy-to-operate mechanisms

This category is suitable for people who:
Manual or power wheelchair users
People using walking frames or mobility aids
Those requiring level access throughout the home
People needing accessible bathroom facilities
Those with reaching or grasping limitations

Robust

Higher funding level

Durable design and fittings for people who might damage the physical environment.

Best suited for:

People who may unintentionally damage property

Common conditions:

Autism with challenging behaviors
Huntington's disease
Severe intellectual disability
Frontal lobe brain injury
Some psychosocial disabilities

Key Features & Design Elements:

Reinforced Walls & Fixtures

Strengthened construction and mountings

Steel-reinforced walls, secure mounting for fixtures, and strengthened door frames

Impact-Resistant Materials

Durable surfaces that withstand impact

High-impact glass, reinforced plastics, and materials that won't splinter or break easily

Secure Outdoor Areas

Safely enclosed external spaces

Secure fencing, reinforced gates, and design that prevents unauthorized exit

Tamper-Proof Fittings

Fixtures that resist removal or damage

Security screws, recessed fixtures, and components designed to withstand manipulation

Easy-to-Clean Surfaces

Low-maintenance, hygienic materials

Non-porous surfaces, seamless joins, and materials that resist staining and damage

This category is suitable for people who:
Disability-related behaviors that may cause property damage
Conditions causing involuntary movements or actions
Cognitive impairments affecting awareness of consequences
Conditions requiring extra safety and security measures
People needing environments that can withstand high use

High Physical Support

Highest funding level

Design for people requiring significant physical assistance from support workers.

Best suited for:

People with very high physical support needs

Common conditions:

High-level spinal cord injuries (C1-C4)
Advanced multiple sclerosis
Motor neurone disease
Severe cerebral palsy
Severe brain injury with physical impact

Key Features & Design Elements:

Ceiling Hoist Systems

Fixed track hoists for transfers and mobility

Ceiling-mounted hoist tracks in bedrooms, bathrooms, and living areas for safe transfers

Emergency Backup Power

Backup power for critical medical equipment

Generator or battery backup systems to maintain power for life-support equipment

Clinical Care Facilities

Space and facilities for medical care needs

Clinical-grade facilities for complex care, medication storage, and medical equipment

Overnight Support Accommodation

Space for support workers to stay overnight

Separate accommodation areas for support workers who need to provide 24/7 care

Accessible Van Parking

Parking designed for wheelchair-accessible vehicles

Wider parking spaces with level access suitable for wheelchair vans and lifts

This category is suitable for people who:
Need for ceiling hoists for all transfers
Require 24/7 support worker presence
Use life-support or critical medical equipment
Need clinical-level care in their home
Require emergency backup power systems
Quick Comparison

SDA Design Categories at a Glance

Compare the key differences between all four SDA design categories to understand which might be most suitable.

Feature
Improved Liveability
Fully Accessible
Robust
High Physical Support
Target UsersSensory/cognitive needsWheelchair usersProperty damage riskVery high support needs
Funding LevelBase levelEnhancedHigherHighest
Key FeaturesBetter lighting, noise reductionFull wheelchair accessReinforced constructionClinical care facilities
Typical % of SDA~40%~35%~15%~10%
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Next Steps in Your SDA Journey

Now that you understand design categories, explore other important aspects of SDA housing.

Funding & Costs

Understand how SDA funding works and what you'll pay

Learn More

Application Process

Step-by-step guide to applying for SDA

Learn More

Housing Selection

How to choose the right SDA housing for you

Learn More

Ready to Explore SDA Housing Options?

Now that you understand the design categories, explore our available SDA properties to see real examples of these features in action.

Modern SDA housing showing accessibility features across different design categories
Need help understanding which design category suits you? Our team can provide expert guidancefor more information.