Decking Cost Breakdown 2026 — Perth Pricing Guide | Landscaping Perth

What Decking Really Costs A new deck in Perth is one of the best outdoor living investments. Here we break down every cost component so you can budget accurately. For quick estimates, see our decking cost summary.

Material Costs Per m2 Treated pine: $200-$350. Merbau: $300-$500. Jarrah: $350-$550. Spotted gum: $400-$600. Composite: $350-$800. These include materials, fixings, and substructure.

Additional Costs Demolition of old deck: $20-$50/m2. Staircase: $500-$2,000. Balustrade/railing: $150-$400/linear metre. Built-in seating: $300-$800/metre. Deck lighting: $500-$2,000. Council approval (if raised): $200-$500.

Getting Started An average 20m2 deck costs $6,000-$16,000 depending on material and features. Get free quotes from Perth deck builders and read timber vs composite comparison to decide on material.

Decking Cost Breakdown 2026 — Perth Pricing Guide

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