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How Much Does a Deck Cost to Build?

Built by Kevin Glover · @gloverbuilds · Verified formula

Calculate the total cost to build a deck by material and size. Pressure-treated, composite, or hardwood — with railing, stairs, and labor.

📅 Updated April 2026 ✅ Formula verified 📖 4 min read 🆓 Free · No sign-up

In this article

Deck Costs by Material (2026)
ROI: Does a Deck Pay for Itself?
Permits and Building Codes

Kosten in Deutschland

Holzterrasse (Douglasie/Lärche): 60-120 €/m². Bangkirai/Cumaru: 100-180 €/m². WPC (Holz-Kunststoff-Verbund): 80-150 €/m². Steinplatten: 40-100 €/m². Eine 20-m²-Terrasse in Lärche: 1.200-2.400 € Material + 800-1.500 € Arbeit.

Pflege

Heimisches Holz (Lärche): jährlich ölen. Tropenholz: alle 2 Jahre. WPC: praktisch wartungsfrei für 25+ Jahre. Über 10 Jahre sind die Gesamtkosten von WPC oft niedriger als Holz wegen der Pflege.

⚡ CalcWolf Insight

Remodeling Magazine's 2025 Cost vs. Value Report shows that a wood deck addition recoups 71.3% of its cost at resale — one of the highest ROIs of any exterior improvement, behind only garage door replacement (194%) and manufactured stone veneer (89%).

Frequently asked questions

Was kostet 20 m² Terrasse?▾

Lärche: 2.000-3.900 €. WPC: 1.600-3.000 €. Bangkirai: 2.000-3.600 €.

Holz oder WPC?▾

Holz: natürliche Optik, braucht Pflege. WPC: wartungsfrei, 25+ Jahre. Langfristig oft günstiger.

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Kevin Glover · @gloverbuilds

Founder, CalcWolf · GLVTS · Blickr

All formulas sourced from primary references — IRS publications, peer-reviewed research, and official standards. Results are tested against independent reference calculators before publishing. Rates and brackets updated when official sources change. Editorial policy →