Building cost estimator
Enter your house size and structure. The tool converts floor areas the way Vietnamese contractors quote, then works out the cost, payment schedule and build time.
Reference prices: October 2026
How the area is converted
| Item | Base area | Factor | Converted |
|---|---|---|---|
| FoundationStrip footings | 100 m² | 50% | 50 m² |
| Floors (3 × 100 m²) | 300 m² | 100% | 300 m² |
| Rooftop stair room | 25 m² | 100% | 25 m² |
| RoofFlat concrete roof | 100 m² | 50% | 50 m² |
| Total converted area | 425 m² | ||
Suggested payment schedule
Based on common building contracts, applied to the construction cost, excluding contingency.
- Contract signed, deposit10%, 10% paid in totalVND 302 million
- Foundation complete15%, 25% paid in totalVND 453 million
- Frame and concrete slabs complete30%, 55% paid in totalVND 905 million
- Walls, wiring and plumbing done20%, 75% paid in totalVND 604 million
- Finishes complete20%, 95% paid in totalVND 604 million
- Inspection and handover5%, 100% paid in totalVND 151 million
Building loan calculator
See your monthly repayment if you borrow part of the cost from a bank.
Use the rate your bank quotes you.
Amount to borrowVND 1.92 billion
- First month
- VND 25,102,896
- Last month
- VND 10,762,199
- Total interest
- VND 1.31 billion
- Total repaid
- VND 3.23 billion
For reference only. Excludes loan insurance and early repayment fees. Ask your bank for exact figures.
How this estimate works
Construction cost = total converted area × unit price per m² × style factor, plus a narrow-access surcharge if needed. The total adds costs outside the unit price (piles, demolition, soil survey), drawings and contingency.
Building rates per m²
The estimate uses these per-m² rates. The material and labour tables below help you check contractor quotes.
Main materials
| Item | Unit | Price |
|---|---|---|
| Coil steel CB240 (Hòa Phát)[3] | kg | VND 13,840–15,430 |
| Rebar D10 CB300 (Hòa Phát)[3] | kg | VND 14,140–15,430 |
| Cement PCB30[4] | 50 kg bag | VND 75,330–81,000 |
| Cement PCB40[4] | 50 kg bag | VND 77,490–82,755 |
| Masonry and plaster sand[5] | m³ | VND 300,000–690,000 |
| Concrete sand[6] | m³ | VND 330,000–775,000 |
| Crushed stone 1×2[7] | tonne | VND 153,000 |
| Fired clay brick 8×8×18 cm[6] | brick | VND 1,490–1,800 |
| Ready-mix concrete grade 250[8] | m³ | VND 1,200,000–1,500,000 |
Labour
Official labour rates are used for public project estimates; private builders usually charge more.
| Item | Unit | Price |
|---|---|---|
| Construction labour, group 1[9] | worker-day | VND 216,000–243,000 |
| Construction labour, group 2[9] | worker-day | VND 260,000–282,000 |
| Construction labour, group 3[9] | worker-day | VND 273,000–297,000 |
| Construction labour, group 4[9] | worker-day | VND 291,000–320,000 |
| Electricians and machine operators[10] | worker-day | VND 354,000–372,000 |
Extra costs and drawings
| Item | Unit | Price |
|---|---|---|
| Square pile 250×250, mill steel[11] | linear m | VND 190,000–210,000 |
| Pile driving (over 300 linear m)[11] | linear m | VND 40,000–50,000 |
| Pile driving, flat fee (up to 300 linear m)[11] | project | VND 13,000,000–15,000,000 |
| Spun pile D300[12] | linear m | VND 180,000–210,000 |
| Bored pile D300[13] | linear m | VND 260,000 |
| Bored pile D400[13] | linear m | VND 340,000 |
| Demolition of an existing houseAssumption | m² of floor | VND 150,000 |
| Soil survey for a townhouseAssumption | project | VND 12,000,000 |
| Homie House ready-made design | drawing set | VND 1,900,000–6,800,000 |
| Custom designAssumption | m² of floor | VND 150,000 |
Material prices vary by region, timing and order size; prices published by provincial construction departments usually exclude VAT and delivery to site.
Price sources (13)
- VTC News: chi phí xây nhà phố 3 tầng 50 m² (đơn giá, hệ số quy đổi) (2026-08)
- Thị trường Tài chính Tiền tệ: đơn giá phần thô mức khá ≈ 4,25 triệu/m², hoàn thiện thêm 2–4 triệu/m² (2026-04)
- Báo Hà Tĩnh (4/2026) và Cafeland (6/2026): giá thép Hòa Phát (2026-06)
- Sở Tài chính Lai Châu: bảng giá thị trường quý I/2026 (2026-03)
- Thời báo Tài chính Việt Nam: giá cát xây dựng năm 2026 (2026)
- Sở Xây dựng Hải Phòng: giá vật liệu xây dựng tháng 7/2026 (chưa VAT) (2026-08)
- Cafeland: bảng giá đá xây dựng (nguồn Sở Xây dựng TP.HCM), 6/2026 (2026-06)
- Báo giá bê tông tươi mác 250 của nhà cung cấp năm 2026 (tổng hợp, giá thị trường) (2026-08)
- Báo Mới: Phú Thọ công bố giá nhân công xây dựng năm 2026 (2026-07)
- Sở Xây dựng Hà Tĩnh: đơn giá nhân công chuyển đổi 2026 (2026-07)
- Xây dựng Trường Sinh, Mai Sơn Phát: báo giá ép cọc 2026 (2026-08)
- Nền móng Thăng Long: giá cọc ly tâm 2026 (2026)
- Ép cọc bê tông Thăng Long: giá khoan cọc nhồi mini 2026 (2026-01)
Not included: loose furniture, permit fees, utility connections from the public grid, long-distance material delivery.
This is a preliminary estimate for budgeting, not a quote. Actual costs depend on the detailed design, materials and when you build.