Decking
Discover our Premium Timber Decking collection—crafted for durability, elegance, and long-lasting performance. Hand-selected and pressure-treated softwood boards boast exceptional strength and resistance to rot, making them ideal for UK outdoor spaces exposed to rain and seasonal changes.
Whether you're building a garden deck, patio extension, or tiered platform, our decking offers the perfect balance of reliability and natural beauty. The softwood benefits from expert treatment, ensuring minimal maintenance and a smooth finish that’s easy on bare feet. Plus, with options available by the metre and pre-cut rails, steps, and spindles, it’s simple to customise for any layout or project scale.
Choose TimberOnline for quality you can trust—stocked and delivered from our South Wales branch proudly serving since 1964. Elevate your outdoor living with decking that stands the test of time.
Decking Board Calculator
Enter deck dimensions and options. Results show an indicative board count by length.
Board Count by Length
| Length | Boards (qty) | Linear metres |
|---|---|---|
| Total | — | — |
Notes: This calculator uses a greedy allocation (longest boards first) to reduce joints and waste. For a specific laying pattern or fixed joint locations, adjust quantities accordingly. Diagonal layouts apply an extra allowance for angle cuts.
Disclaimer: This tool is for guidance only and may not reflect the latest building regulations or your exact site conditions. Always confirm with your designer/installer and consult your local authority / Building Control as required.