Structure decision tool · Homeowners, architects & builders
Compare timber, light-gauge steel, brick veneer, masonry, reinforced concrete and hybrid structures side by side for the same house—see the cost difference and the embodied CO₂ of each system.
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Build-cost baselines are indicative 2025 figures you should edit to match local quotes. This is a planning estimate, not a quotation.
Your estimate
How six structural systems compare for the same house in Australia.
AUD 617,500
45 t CO₂e
≈ USD 247,043
Highest minus lowest embodied carbon
Cost multipliers and embodied-carbon intensities are indicative order-of-magnitude figures for comparison only — not a structural design, feasibility check or quotation.
Side by side
Embodied-carbon intensities are indicative upfront structural figures (ICE database / LETI ranges). Actual carbon depends on mix design, recycled content and transport. Costs marked “uncommon here” include a ~30% premium because that method is not the local default.
Practical guide
Read the related guide for assumptions, ordering tips and ways to compare the estimate with actual site records.
Same-category tools first so each intent stays clustered—then open the full hub if you need a different job.
Frequently asked questions
Yes. The Structure Cost & Carbon works in your browser without an account. You can install GharNaksa when you want to track the real project costs, payments and progress.
No. It is a planning estimate based on the information you enter. Verify rates, quantities, drawings, local requirements and contract terms with the appropriate qualified professional before making a commitment.
Use GharNaksa to record actual material deliveries, labor, payments, bills and site photos. Comparing the estimate with a dated site record helps reveal cost differences early.