Composite vs Timber Decking NZ: Which Should You Choose?

Choosing between composite and timber decking is one of the biggest decisions you’ll make when building a new deck. Both have their merits, and both have their trade-offs. Here’s our honest, no-BS comparison to help you make the right call for your home and your budget.
The Case for Timber Decking
Timber is the classic Kiwi choice for good reason. It’s natural, warm underfoot, and with the right species incredibly durable. There are a few timber options worth considering:
Pine: Affordable and widely available. Great for budget-conscious projects but needs annual oiling or painting to stay in top nick.
Kwila: A rich, reddish-brown hardwood that’s tough as nails and handles New Zealand’s climate beautifully. Costs more but lasts 25 – 30+ years with basic maintenance.
Vitex: A lighter hardwood with a golden-honey tone. Naturally resistant to rot and insects, and a popular choice on the North Shore.
The big downside to timber? Maintenance. Pine especially needs regular attention, oiling, sanding, and occasional re-staining or it will grey off and start to crack. Hardwoods are lower maintenance but still need an annual clean and oil to keep them looking their best.
The Case for Composite Decking
Composite decking has come a long way. The early products had a reputation for looking fake and fading fast, but modern composite boards are genuinely stunning and incredibly hardwearing.
- No annual oiling, staining, or sanding required
- Resistant to rot, mould, insects, and UV fading
- Splinter-free, perfect for families with kids and bare feet
- Wide range of colours and finishes including very convincing wood-look textures
- Eco-friendly options made from recycled content
The trade-off is cost. Composite typically costs 50 – 60% more than pine upfront. But when you factor in zero maintenance costs over 25 years, the lifetime cost often works out cheaper.
Composite vs Timber Decking: Side-by-Side Comparison
| Feature | Composite Decking | Timber Decking |
| Material composition | Manufactured from a blend of wood fibres and plastic | Made from natural hardwood species |
| Appearance | Uniform colour and texture | Natural grain, colour variation and character |
| Maintenance | Low ongoing maintenance | Requires regular cleaning and protective treatments |
| Durability | Resistant to rot, insects and moisture | Highly durable when maintained, varies by species |
| Comfort underfoot | Can retain heat in direct sunlight | Generally cooler and more comfortable in warm weather |
| Weathering over time | Appearance remains relatively consistent | Develops natural weathering and patina |
| Environmental impact | May include recycled materials, harder to recycle | Renewable resource when sustainably sourced |
| Upfront cost | Typically higher per square metre | Often lower per square metre |
| Long-term considerations | Reduced maintenance effort | Ongoing care is required to preserve appearance |
What Do Most North Shore Homeowners Choose?
On the North Shore, we see a strong split. Families with young kids and busy lifestyles are increasingly going composite for the zero-maintenance convenience. Classic weatherboard homes in Takapuna and Devonport often suit the warmth of high quality hardwood decking. And rental properties or first decks on a budget? Pine is still the go to.
There’s genuinely no wrong answer, it comes down to your priorities.
Still Not Sure? We’ll Help You Decide.
Book a free, no-obligation site visit and we’ll walk you through material samples, show you recent project photos, and give you an honest recommendation based on your site, lifestyle, and budget.
