Cavity Slider Door Cost in Australia (2026 Guide)
Cavity slider door costs in Australia vary depending on the system type, door weight, installation complexity, and wall construction. Whether you’re building a new home or upgrading an existing space, understanding the full cost breakdown helps you choose the right system.
Average Cost of a Cavity Slider Door
In Australia, the cost of a cavity sliding door system typically ranges between:
- $225 – $350 for standard 65kg systems
- $380 – $1,500+ for standard 125kg systems
- $650 – $2,500+ for heavy-duty 150kg systems
- $300 – $1000 for professional installation
Total installed cost can range from $900 to $3,000+ depending on the project.
Typical Cavity Slider Door Costs (Australia)
| System Type | Price Range |
|---|---|
| Premium 65 – 65kg Cavity Slider Kit | $225 – $350 |
| Premium 125- 125kg Standard System | $380 – $1,500+ |
| Premium 150- 150kg Heavy Duty System | $650 – $2,500+ |
| Installation Cost | $300 – $1000 |
| Total Installed Cost | $900 – $3,000+ |
What Affects the Cost?
- Door weight capacity (65kg vs 125kg systems)
- Wall type (timber stud vs steel frame)
- Door material (timber, aluminium, glass)
- Installation complexity
- Track and hardware quality
65kg vs 125kg Cavity Slider Cost
Choosing the right system depends on your door size and usage:
- 65kg systems – ideal for bedrooms, bathrooms, wardrobes
- 125kg systems – suitable for large doors, glass panels, and high-use areas
Explore systems:
Installation Costs Explained
Installation costs depend on whether the wall is new or existing:
- New builds: cheaper and easier to install
- Retrofit installations: higher cost due to wall modification
Learn more about installation:
How to install a cavity slider door →
Cavity Slider Sizes and Pricing
Larger doors and wider openings increase system cost. Standard sizes are more affordable and easier to install.
See full size guide:
Are Cavity Sliding Doors Worth It?
Cavity sliders are a popular choice in Australian homes because they save space, improve flow, and provide a modern look. While the upfront cost can be higher than hinged doors, the long-term benefits often outweigh the investment.
Which Cavity Slider System Should You Choose?
If you’re installing a standard internal door, a 65kg cavity slider system is usually the best choice. For larger doors, glass panels, or high-use areas, a 125kg heavy-duty system provides better performance and durability.
- Choose 65kg: bedrooms, bathrooms, wardrobes
- Choose 125kg: large openings, glass doors, premium builds
Get a Quote
If you’re unsure which system suits your project, our team can help you choose the right solution.
Cavity Slider Door Cost FAQ
How much does a cavity slider door cost in Australia?
The cost of a cavity slider door in Australia typically ranges from $225 to $2,500+ depending on the system type, door weight, and installation requirements. Standard 65kg systems are more affordable, while heavy-duty systems cost more.
What is included in a cavity slider door system price?
A cavity slider system usually includes the aluminium frame, sliding track, rollers, and hardware. The door itself and installation costs are often separate.
How much does it cost to install a cavity sliding door?
Installation costs in Australia typically range from $300 to $1,000 depending on whether it’s a new build or retrofit installation.
Is a 125kg or 150kg cavity slider system worth the higher cost?
Yes, heavier systems are designed for larger doors, glass panels, and high-use areas. They offer better durability, smoother operation, and long-term reliability.
Are cavity sliding doors more expensive than hinged doors?
Yes, cavity sliding doors usually cost more upfront than hinged doors due to the wall frame and track system, but they save space and provide a modern finish.
Which cavity slider system should I choose?
Choose a 65kg system for standard internal doors like bedrooms and bathrooms. Choose a 125kg or 150kg system for larger doors, glass panels, or premium architectural projects.

