Walk into any Bunnings or hardware store and you’ll see both timber and metal sheds on display. The choice seems straightforward—timber looks more attractive, metal is cheaper. But living with either for five or ten years reveals differences that matter more than initial appearance.

Metal sheds in Australia usually mean Colorbond steel—galvanized steel with a baked-on color finish. They dominate the market because they’re affordable, durable against Australian weather, and require minimal maintenance. The steel won’t rot, termites can’t eat it, and Colorbond finishes hold up well in UV exposure.

The downside is heat. Metal conducts heat efficiently, which in Australian summers means the interior can become brutally hot. Even with insulation, metal sheds require more effort to keep comfortable than timber alternatives. They also develop condensation more readily when temperature differences exist between inside and outside.

Noise is another factor. Rain on a metal roof is loud. If your shed is near living areas or you’re using it as a workshop where you need to think, the drumming of rain on metal can be intrusive. Wind can make metal sheds rattle if they’re not properly secured.

Timber sheds use treated pine or hardwood framing with weatherboard, T&G boards, or plywood cladding. Treated pine is affordable and handles Australian weather reasonably well if maintained. Hardwood is more expensive but more durable and needs less maintenance.

The main advantage of timber is thermal performance. Wood is a natural insulator, so timber sheds stay cooler in summer and warmer in winter without additional insulation. This comfort difference is substantial if you’re spending time in the shed rather than just storing things.

Timber also provides easier attachment points for shelving, hooks, and interior modifications. You can screw directly into timber walls anywhere. Metal sheds require drilling through the metal and sealing holes to prevent rust, or using specialized fasteners.

The aesthetic argument for timber is real. A well-built timber shed looks better in most garden settings than a Colorbond box. If your shed is visible from the house or you care about garden appearance, timber integrates more naturally.

Maintenance is where opinions diverge based on personal preference. Metal sheds require almost no maintenance—an occasional wash and check for scratches or dents that might lead to rust. Colorbond doesn’t need painting for decades.

Timber sheds need treatment every few years to maintain weather resistance. Treating involves cleaning, possibly light sanding, and applying oil or stain. This isn’t difficult but it’s time you need to spend. Skipping maintenance means timber weathers to gray and becomes susceptible to rot and insect damage.

Some people enjoy this maintenance as part of caring for their property. Others see it as unwanted ongoing work. Your attitude toward regular maintenance should influence your choice.

Cost comparison isn’t straightforward. Entry-level metal sheds are cheaper than equivalent timber sheds initially. But a quality timber shed might last longer with proper maintenance, making lifetime cost comparable. A cheap timber shed will rot faster than a quality Colorbond shed, making the metal option better value.

Comparing similar quality levels, metal is usually cheaper upfront. Whether that holds over a twenty-year lifespan depends on maintenance commitment and local weather conditions.

Termites are a genuine concern for timber in many parts of Australia. Treated pine is termite-resistant but not termite-proof. Hardwood is more resistant but not immune. If you’re in a high termite-pressure area, metal eliminates this risk entirely.

Termite-resistant construction details for timber sheds include concrete slab or pier foundations that prevent ground contact, treated pine rated for in-ground use, and regular inspection for termite activity. These measures reduce but don’t eliminate termite risk.

Bushfire ratings matter in some locations. Metal sheds can achieve better bushfire attack level (BAL) ratings than timber. If you’re in a bushfire-prone area, local regulations might effectively require metal or impose expensive timber construction requirements.

Assembly difficulty differs. Flat-pack metal sheds typically go together with basic hand tools over a weekend. Timber sheds either come as complete panels that bolt together, or as kits requiring more carpentry skill to assemble properly.

DIY assembly of timber sheds is more forgiving of imperfect ground preparation. Timber can be shimmed and adjusted more easily than metal panels that need precise alignment. But timber is heavier and requires more people for assembly.

Customization and expansion are easier with timber. Adding windows, extending walls, or modifying the structure is straightforward carpentry. Modifying metal sheds requires cutting metal and maintaining structural integrity and weather sealing, which is more involved.

Resale value and appeal vary by buyer. Some buyers prefer the low maintenance of metal. Others value the appearance and feel of timber. If you might sell the property, the shed contributes to overall property appeal rather than having independent resale value.

Wind resistance depends more on foundation and anchoring than material choice. Both metal and timber sheds need proper anchoring to resist strong winds. Metal sheds might be lighter and more prone to movement if poorly anchored, but proper installation makes both materials secure.

Local climate tips the scale in different directions. In tropical areas with high humidity and rainfall, metal’s resistance to rot is advantageous. In areas with extreme temperature swings, timber’s thermal mass provides comfort benefits. Coastal areas with salt exposure require marine-grade Colorbond for metal or carefully selected timber species.

Hybrid options exist—steel frames with timber cladding, or timber frames with metal roofing. These combine structural advantages of steel with aesthetic and thermal benefits of timber. They’re less common but worth considering if you want specific characteristics from both materials.

Practical use cases influence the decision. Pure storage sheds where you rarely enter favor metal for low maintenance and durability. Workshop sheds where you spend hours working favor timber for comfort and ease of customization. Garden sheds visible from living areas favor timber for aesthetics.

Building codes and council approval requirements are generally similar for both materials, but checking local regulations prevents surprises. Some areas have specific requirements about materials, especially in heritage zones or bushfire areas.

Environmental considerations differ. Metal sheds use recycled steel content and are fully recyclable at end of life. Timber is renewable if sourced from sustainably managed forests, but treating chemicals and disposal of treated timber raise environmental concerns.

Neither material is obviously superior environmentally—it depends on specific products and local conditions. If environmental impact matters to you, researching specific products rather than generalizing about materials provides better information.

The warranty offered by manufacturers provides a signal of expected durability. Quality metal sheds often have ten to twenty-year warranties on the Colorbond finish. Timber shed warranties vary widely depending on timber quality and treatment, from two years to ten years.

Real-world durability often exceeds warranty periods for both materials. A well-maintained timber shed can last decades. Quality Colorbond sheds routinely last twenty to thirty years with minimal maintenance. Cheap examples of either material might fail within five to ten years.

Personal preference is legitimate. If you dislike the appearance of metal sheds, that matters. If you don’t want ongoing maintenance, that matters. Functional requirements and personal values are both valid inputs to the decision.

The reality is that both timber and metal sheds work well in Australian conditions when properly selected and installed. Metal offers lower maintenance and lower initial cost. Timber offers better thermal comfort and aesthetics. Understanding what you value and how you’ll use the shed guides the right choice for your specific situation.