Quick Answer
The composite vs timber debate is the most important decision in any decking project. Both have genuine advantages.Timber: The Case ForNatural timber looks and feels authentic. Softwood decking is significantly cheaper upfront. Timber is easy to cut, shape, and repair.Timber: The...
Key Information
- Last Updated:
- 5 May 2026
- Category:
- Materials
- Reading Time:
- 1 min read
The composite vs timber debate is the most important decision in any decking project. Both have genuine advantages.
Timber: The Case For
Natural timber looks and feels authentic. Softwood decking is significantly cheaper upfront. Timber is easy to cut, shape, and repair.
Timber: The Case Against
Annual maintenance is non-negotiable: cleaning, sanding, and re-oiling every year. Softwood typically lasts 10-15 years even with good care.
Composite: The Case For
Zero annual maintenance beyond occasional cleaning. Does not rot, warp, splinter, or support algae growth. Lifespan of 25-30 years.
The Verdict
If you want lowest 10-year cost and do not mind maintenance, choose softwood. For fit-and-forget, composite wins on lifetime value.
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Good points on composite's longevity and timber's annual maintenance. A key factor often overlooked with timber is its susceptibility to different wood-boring insects, which can shorten lifespan even further.
I've found that using a pressure-treated timber can extend its lifespan by up to five years. Worth considering if you're weighing up costs and maintenance.
I've found treating timber with a borate-based preservative before installation can significantly extend its lifespan to around 15-20 years. Something to consider if you're leaning towards timber but want less frequent replacement.
I appreciate the comparison, but I'm unsure about composite's lifespan. Does this 25-30 years include potential fading and loss of colour over time?
I'm between composite and timber too, but I've always loved how timber looks. Does anyone have experience with the cheaper, mid-range composites? Still worth it despite the price difference?
I'm torn between composite and timber! What's been your experience with each for longevity? Thanks!
Just a note on lifespan: while composite can last 25-30 years, it's important to consider product warranties. Some timber options, like treated softwood, may also offer lengthy guarantees.