QuokkaDeck Cost Calculator
Estimate materials and labour for your deck project. Australian pricing.
length
width
20m² total area
Cost Estimate
Merbau · 20 m² · Perth
| Decking boards (Merbau) | $1,327 |
| Subframe (joists, bearers, posts, concrete) | $1,146 |
| Fixings & fasteners | $79 |
| Initial oiling | $160 |
| Materials subtotal | $2,711 |
| GST (10%) | $271 |
| Materials total (inc. GST) | $2,983 |
| Labour estimate (~$120/m²) | $2,400 |
| Total estimate | $5,383 |
$269/m² all-in · Prices are indicative estimates only
Quokka is a free Australian deck cost estimator. Prices last updated: 5 Apr 2026.