Free · 2026 prices · Instant
Deck & Patio Cost 2026
Price per m²
Deck cost: $250–600 per m². Estimate building a deck or patio with a free cost calculator.
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Your inputs
Composite pays back in maintenance saved over time.
Your estimate
Deck / patio
$12,000
≈ range $9,600 – $19,200
Low estimate
$9,600
High estimate
$19,200
Detail 1$120/m²
Detail 2120 m²
Estimated total$14,400
Estimates use national averages. Always get local quotes before committing.
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Deck / patio FAQ
How much does a deck cost?
$250–600 per m². Composite decks cost more upfront but need almost no maintenance.
Wood or composite?
Wood is cheaper and natural; composite lasts longer with zero painting or staining.
Does a deck need a permit?
Most areas require a permit for attached decks above a certain size. Check local rules.
How long does a deck last?
Pressure-treated wood 15–20 years; composite 25–30 years.
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