Garden Shed. How much does is it cost to build it?

If you’re thinking about adding a shed to your property, you’ve probably asked yourself: How much does it cost to build a shed? In Australia, a shed isn’t just a place to store tools — it can be a workshop, a hobby zone, or even a backyard office. As more Australians embrace self-sufficiency, remote work, and outdoor living, sheds have become a practical and valuable addition to many homes.

But before you start building, it’s crucial to understand the full range of costs involved. From materials and labour to council permits and ongoing maintenance, expenses can add up quickly — especially if you’re not prepared for unexpected challenges. Asking the right questions upfront, like what are the hidden costs? or should I hire a professional or DIY?, can help you stay within budget.

Factors Affecting Shed Construction Costs

Size of the Shed

The most obvious factor is size.

  • Small vs. Large Structures: A basic 3m x 3m garden shed could cost anywhere from $1,000 to $3,000, while a large 6m x 9m shed can range between $10,000 and $25,000 or more.
  • Custom Sizes: Custom builds often come with added engineering and material costs, especially if non-standard dimensions are involved.

Materials Used

  • Timber vs. Metal: Timber garden sheds provide aesthetic warmth but require more maintenance and can cost more. Steel sheds, especially Colorbond, are more durable and generally more affordable.
  • Insulation and Waterproofing: If you plan to use the shed year-round, adding insulation and waterproof membranes increases upfront costs but improves comfort and longevity.

Design and Complexity

  • Basic vs. Custom Designs: A prefabricated flat-pack is cheaper than a fully customised design with unique layouts or architectural elements.
  • Extra Features: Adding windows, shelves, skylights, and reinforced doors can drive up costs significantly, especially if they require additional structural support.

Location and Site Preparation

  • Urban vs. Rural Considerations: Rural builds may face higher transport costs and fewer local contractors, while urban settings might require more permits.
  • Ground Levelling & Foundations: A sloped or rocky site might require excavation or slab pouring, increasing groundwork expenses.

Average Shed Cost Breakdown

Materials Cost

  • Material Prices: Metal sheeting typically starts from $20–$30/m², while treated timber panels may cost $50–$80/m².
  • Regional Variations: Prices can vary by state. Materials in regional Western Australia or Far North Queensland may be more expensive due to transport costs.

Labour Costs

  • DIY vs. Professionals: DIY can save thousands if you have the skills and tools, but complex builds often require licensed trades.
  • Typical Rates: Hiring a carpenter or shed builder can cost $50–$100 per hour. Total labour costs can range from $2,000 to $10,000+ depending on the shed’s complexity.

Permits and Regulations

  • Permit Requirements: Most councils require permits for sheds over 10m² or those built close to boundaries.
  • Associated Costs: Permits generally cost $200–$1,000, depending on your local council and project scope. Engineering reports or bushfire compliance can add further costs
  • Read Vic Outbuildings, sheds and similar buildings

Additional Costs to Consider

Maintenance and Ongoing Expenses

  • Weatherproofing & Repairs: Even quality sheds need maintenance. Repainting, sealing, or replacing roofing every few years can cost $200–$500 annually.
  • Insurance: If the shed stores valuable tools or equipment, adding it to your home insurance policy might raise your premiums.

Optional Features and Upgrades

  • Electrical Work: Wiring for lights, outlets, or solar power can cost $500–$2,500 depending on complexity.
  • Plumbing: For garden sheds converted to hobby spaces or studios with sinks or bathrooms, plumbing work may add $2,000–$5,000.

Budgeting Tips for Shed Construction

Setting a Realistic Budget

Estimate all known costs, then add a 10–20% contingency buffer for surprises. Be honest about your shed’s intended use—short-term storage and long-term utility require different investments.

Strategies for Reducing Costs

  • DIY Resources: Online plans and YouTube tutorials make DIY more accessible than ever. Just be sure to check if council approvals or certifications are needed.
  • Smart Sourcing: Look for recycled materials, end-of-line deals, or auctions to reduce material costs without compromising quality.

Balancing Quality and Shed Cost

It’s tempting to cut corners, but cheap materials can lead to faster wear and higher repair bills. Invest in quality where it counts—like roofing, flooring, and weather protection.

garden shed

Australian-made garden shed

Building a shed in Australia can be a worthwhile investment—whether it’s for storage, leisure, or business. Costs vary significantly based on size, materials, design, and location. From council approvals to material choices, understanding these factors will help you make informed decisions.

Plan thoroughly, stick to your budget, and explore DIY options if you’re confident in your skills. Thoughtful preparation can lead to a functional and affordable shed that enhances your property.