Home construction cost estimator
Quick estimate of turn-key construction cost from area, house type, foundation, roof and material tier — reference market rates.
Enter the land area and pick house type, foundation, roof and material tier to estimate turn-key construction cost.
Enter the area then click “Estimate cost” to see the result.
Source & verificationUtility tool
A convenience tool — the computation is mechanical on your inputs and is not based on any design standard.
Cost area from conversion factors (foundation/slab/roof) times turnkey unit rates — Vietnamese market references ~2025–2026, not applicable norms. For preliminary estimates only.
About the home construction cost estimator
A quick estimate of turn-key home construction cost for homeowners — answers “how much does a 100 m² house cost to build” before commissioning a detailed estimate.
What you enter
Buildable land area — ground-floor footprint (m²), house type (single-storey, 1–3 storey townhouse, villa), foundation type (single, strip, pile, raft), roof type (metal sheet, flat concrete, tile-on-steel, tile-on-concrete) and material tier (basic, standard, premium).
What the result means
Estimated total cost (₫) with a breakdown: adjusted areas of the foundation, floors and roof; total charged area and the applied turn-key unit rate — a reference figure for budgeting.
Use cases
Budget before building a single-storey home, townhouse or villa; compare foundation/roof options and material tiers; sanity-check turn-key contractor quotes; answer “what does a 100 m² house roughly cost”.
Unit rates and adjustment factors are common Vietnamese market reference values — not official norms or binding prices. Actual cost varies with location, material and labour prices, soil conditions, detailed design and each contractor's scope — not a substitute for a drawing-based estimate or a construction contract.
Worked example
A 2-storey townhouse on an 80 m² footprint with strip footing (44 m²), floors (160 m²) and tile-on-steel roof (56 m²) → charged area ≈ 260 m²; standard tier ≈ 5.7 million ₫/m² → estimated cost ≈ 1.48 billion ₫.
Frequently asked questions
How much does a 100 m² house cost to build?
Reference: a 2-storey townhouse on a 100 m² footprint with strip footing and tile roof at the standard tier ≈ 1.85 billion ₫ (charged area = 200 + 55 + 70 = 325 m² × 5.7 million ₫). Enter your own specs for a tailored figure.
Where do the turn-key rates per m² come from?
Rates commonly quoted by Vietnamese contractors: single-storey ≈ 5.3 million ₫/m², townhouse ≈ 5.5–5.9 million ₫/m², villa ≈ 7.2 million ₫/m² at the standard tier — market reference figures, not quotes.
What do the foundation/roof factors mean?
The area-adjustment convention used in turn-key quotes: foundations and roofs are not charged at full floor area but multiplied by a factor (strip footing ≈ 55%, metal-sheet roof ≈ 30%…) then added to the floor area before applying the unit rate.
Can this estimate replace a detailed cost estimate?
No — this is a quick estimate for budgeting. An accurate figure needs quantity takeoff from drawings and local rates — sign up for BuildLab to get a detailed estimate from DWG drawings.
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How it works
The tool estimates turn-key construction cost using the “adjusted construction area” method common in Vietnamese contractor quotes: charged area = foundation (factor × ground-floor area) + floors (ground-floor area × storeys) + roof (factor × ground-floor area); estimated cost = charged area × turn-key unit rate/m².
Common reference factors: single footing ~30–40%, strip footing ~50–70%, pile ~30–50%, raft ~80–100%; metal-sheet roof ~20–30%, flat concrete ~40–50%, tile-on-steel ~60–70%, tile-on-concrete ~80–100%. Reference turn-key rates (shell + finishes): single-storey ~4.8–5.9 million ₫/m², townhouse ~5.0–6.6 million ₫/m², villa ~6.5–8.2 million ₫/m² by material tier.
Results are indicative budget estimates only — actual cost varies with location, material and labour prices, soil conditions, detailed design and the contractor's scope; not a substitute for a drawing-based estimate.
