How Much Does A Garage Renovation Cost
Renovating a garage can be a transformative experience for any homeowner. Whether you’re looking to turn your garage into a functional living space, add extra storage, or convert it into a home gym or office, the possibilities are endless. However, before embarking on any renovation project, it is essential to understand the costs involved.

The cost of a garage renovation in Australia can vary significantly depending on the scope of the project, the materials used, the location, and the complexity of the work required.
In this article, we will provide a comprehensive breakdown of the costs involved in a garage renovation, the factors that influence these costs, and what you can expect from the process.
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Average Costs For Garage Renovations In Australia
The average cost for a garage renovation in Australia can range from $5,000 to $40,000 or more, depending on the type of transformation you’re seeking. For example:
- Basic garage upgrades (simple repairs, repainting, and new flooring): $5,000 – $10,000
- Mid-range garage renovation (new cabinetry, flooring, better insulation, lighting, and painting): $10,000 – $20,000
- High-end renovations (complete conversions to living space, with structural changes and premium finishes): $20,000 – $40,000+
Factors That Influence Garage Renovation Costs
Several factors will impact the overall cost of your garage renovation. Below, we will explore some of the most significant considerations.
A) Size And Layout Of The Garage
The size and layout of your garage are the most significant factors influencing the cost. Larger garages will naturally cost more to renovate than smaller ones due to increased material costs, labour, and additional time for the renovation.
The layout of the garage may also influence costs. A garage with complex design or structural issues may require more extensive work, increasing costs.
For example, if your garage is a double or triple garage with a high roof, the renovation will likely be more expensive compared to a smaller single-car garage. Additionally, the height of the garage will determine the type of insulation or ceiling alterations required.
B) Renovation Type And Scope
The extent of the renovation is another key factor. Are you simply upgrading the look of the garage, or are you converting it into a fully functional living space? The costs will vary based on the type of renovation you’re planning.
Here’s a breakdown of common types of garage renovations:
- Garage Conversion to Living Space: Converting a garage into a room adds considerable value to a home but requires extensive work, including insulation, flooring, lighting, and electrical installations. You may also need to add plumbing for a bathroom or kitchenette, which will add to the overall cost.
- Garage Storage and Organisation: If your goal is to make the garage more organised and functional, installing custom shelving, cabinets, and storage solutions can increase costs, especially if you opt for high-quality, built-in systems.
- Upgraded Flooring: Installing new floorings, such as epoxy resin, tiles, or polished concrete, can elevate the appearance and durability of the space, with costs ranging from $1,000 to $4,000 depending on the material used.
- Structural Changes: If your garage requires structural changes such as reinforcing beams, extending the walls, or altering the foundation, expect these to significantly increase costs.
C) Quality Of Materials And Finishes
The materials and finishes you choose will have a direct impact on the final cost of your garage renovation. For instance, premium materials for flooring, wall cladding, or roofing will drive up the price. Similarly, high-end cabinetry, lighting, and paint finishes will also add to the cost.
Some common material choices include:
- Flooring: Epoxy resin, vinyl, tiles, polished concrete, or timber.
- Wall Finishes: Drywall, timber cladding, or painted brick.
- Roofing: Metal roofing, tiles, or custom skylights.
The quality of materials selected can either make your renovation more budget-friendly or push the total cost into a higher range.
D) Location And Labour Costs
Location is another significant factor that will affect renovation costs. Labour costs in major cities such as Sydney, Melbourne, and Brisbane are typically higher than in regional areas. Additionally, the cost of materials can vary depending on your location and proximity to suppliers.
In Australia, labour costs generally range between $40 to $100 per hour, depending on the complexity of the job and the location. If your garage is part of a larger renovation project or if you need specialised tradespeople (such as electricians, plumbers, or structural engineers), expect to pay more.
E) Permit And Council Approval Fees
In some cases, a garage renovation may require planning permits or council approvals, especially if you’re making structural changes or converting the garage into a living space. Local councils may also have specific regulations regarding renovations that could impact the cost of the project.
It’s essential to research the requirements in your area before beginning the project to avoid unexpected fees. Council approval can cost anywhere from $500 to $2,000, depending on your location and the type of work being done.
Breakdown Of Common Garage Renovation Costs
Let’s now dive into more specific cost breakdowns for various garage renovation elements:
A) Garage Door Replacement
A new garage door can significantly enhance the appearance and functionality of your garage. A basic sectional or roller door can cost between $1,000 and $2,500, while a high-end door with custom finishes and motorisation may cost between $3,000 and $5,000.
B) Insulation
Good insulation is essential for maintaining temperature control and reducing energy costs in a renovated garage. Insulation materials, such as batts or foam boards, typically cost around $3 to $10 per square metre, depending on the type and quality.
C) Lighting And Electrical Work
To make the garage more functional, you may need to install new lighting and electrical outlets. The cost for electrical work typically ranges from $100 to $500, depending on how extensive the work is and whether you require new circuits or power points.
D) Plumbing Work
If you plan to add plumbing for a sink, shower, or bathroom, this will significantly increase the cost. Simple plumbing work can cost $500 to $2,000, while more complex plumbing for a bathroom or kitchen can run into the $10,000+ range.
E) Flooring
As previously mentioned, flooring choices are a big cost factor. Depending on the material you choose, the costs can range as follows:
- Epoxy resin flooring: $1,500 – $4,000
- Vinyl or laminate flooring: $1,000 – $3,000
- Polished concrete: $2,000 – $5,000
- Tiles: $1,500 – $4,000
F) Walls And Ceilings
If you’re adding or replacing walls or ceilings, the costs can vary depending on the materials used. Basic drywall installation may cost between $30 to $60 per square metre, while timber or custom finishes will be more expensive.
G) Cabinetry And Storage Solutions
Custom cabinetry and shelving for garage organisation can cost anywhere from $1,000 to $5,000, depending on the complexity and materials. Pre-built storage solutions are more budget-friendly, costing between $200 to $2,000.
Budgeting For Unexpected Costs
While it’s essential to estimate your renovation costs as accurately as possible, you should always budget for unexpected expenses. This could include things like:
- Structural issues that need addressing
- Hidden electrical or plumbing problems
- Unexpected permit or council fees
- Changes to the scope of work during the renovation
A good rule of thumb is to set aside 10-15% of your total renovation budget for unforeseen costs.
Tips For Saving On A Garage Renovation
If you’re looking to save money on your garage renovation, here are some tips:
- DIY Projects: If you have the skills and knowledge, you can handle smaller projects like painting, installing shelving, or replacing flooring yourself.
- Plan Ahead: Get multiple quotes from contractors and suppliers to ensure you get the best price for materials and labour.
- Reuse Materials: If possible, consider reusing materials or purchasing second-hand items to reduce costs.
- Prioritise Essential Work: Focus on the most important aspects of your renovation first, such as structural repairs or insulation, and leave cosmetic upgrades for later.
Conclusion
Renovating a garage is a great way to increase the functionality and value of your home. However, it’s essential to have a clear understanding of the costs involved. The total cost of your renovation will depend on factors such as the size and type of garage, the materials chosen, the location, and the complexity of the work required.
By planning carefully, getting quotes from multiple contractors, and setting aside a contingency budget, you can ensure that your garage renovation project stays within your budget while achieving the results you desire.
Whether you’re turning your garage into a living space, a home gym, or simply improving its functionality, the right renovation can make a significant difference to your home’s value and your lifestyle.
Frequently Ask Question
What Factors Affect The Cost Of A Garage Renovation?
Several factors influence the cost of a garage renovation, including the complexity of the design, the materials used, and the extent of the changes. For example, upgrading to high-end flooring or custom cabinetry can increase costs.
Additional elements like electrical wiring, insulation, or plumbing might be needed for specific purposes, further raising the price. The location of the garage and accessibility for contractors also play a role in the overall price. Finally, the labour rates in your area can significantly impact the cost.
What Is Included In A Typical Garage Renovation?
A typical garage renovation might include new flooring, wall insulation, updated lighting, and storage solutions such as shelving or cabinetry. It could also involve adding a workbench, repainting, or upgrading the garage door.
Depending on the budget, a more extensive renovation could include electrical work, plumbing, or even converting the garage into a livable space like a home office or gym. Each renovation is unique, and you can choose what suits your needs and budget.
Should I Hire A Contractor Or Do A Diy Garage Renovation?
Hiring a contractor is often the best choice for a garage renovation, especially if the project involves complex tasks like electrical work, structural changes, or permits. A professional can ensure the work is done safely and up to code.
However, if you’re doing a small-scale renovation, such as painting the walls or installing shelving, you may be able to tackle the project yourself. Just be sure to understand your limits, as DIY mistakes can add unexpected costs.