Cost of building a 4-bedroom duplex + BQ in Trans-Amadi (2026)
Estimated for Trans-Amadi, Rivers (238 m² floor area) using current material prices and local labour rates.
Standard finish
₦102,727,647
Basic ₦84.1M · Luxury ₦160.7M · ₦431,629/m² · without BQ ₦85.1M
Customise this estimate →Cost breakdown
| Element | Share | Cost |
|---|---|---|
| Foundation | 7.4% | ₦7,631,063 |
| Structure | 21.8% | ₦22,421,938 |
| Finishes | 25.2% | ₦25,881,248 |
| Services | 11.3% | ₦11,587,356 |
| External Works | 23.2% | ₦23,856,648 |
| Prelims & Contingency | 11.0% | ₦11,349,394 |
| Total | 100% | ₦102,727,647 |
Materials you'll need
| Material | Approx. quantity | Cost at today's prices |
|---|---|---|
| Cement (50kg bags) | 952 bags | ₦12,181,888 |
| Sandcrete blocks (6" & 9") | 8,213 blocks | ₦7,391,898 |
| Iron rods | 4.8 tonnes | ₦3,816,000 |
| Sharp sand | 180 tonnes | ₦2,344,940 |
| Granite | 115 tonnes | ₦2,294,600 |
Construction timeline (8 months)
| Phase | Months | Cost |
|---|---|---|
| Site preparation | 1–1 | ₦1.7M |
| Foundation | 1–2 | ₦7.6M |
| Structure | 2–4 | ₦18.1M |
| Roofing | 4–5 | ₦4.3M |
| Services 1st fix | 5–6 | ₦5.2M |
| Plastering & screeding | 5–6 | ₦5.2M |
| Interior finishes | 6–8 | ₦20.7M |
| Services 2nd fix | 7–8 | ₦6.4M |
| External works | 7–8 | ₦23.9M |
| Snagging & handover | 8–8 | ₦9.7M |
How much will your 4-bedroom duplex in Trans-Amadi cost? Find out in 30 seconds
My House Cost NG prices your exact design, location and finish with live material prices — with a full breakdown, BOQ and construction timeline.
Get my free estimate →Compare with nearby areas
Frequently asked questions
How much does it cost to build a 4-bedroom duplex + BQ in Trans-Amadi?
About ₦102.7M with standard finishing, ₦84.1M basic and ₦160.7M luxury (2026 prices).
How long does it take to build a 4-bedroom duplex?
About 8 months with steady funding.
How many bags of cement does a 4-bedroom duplex need?
Roughly 952 bags of 50kg cement.
Read more: 4-bedroom duplex costs across Nigeria · 12 ways to reduce building cost
Plan your build with My House Cost NG
🧮 Cost estimatorInstant estimate for any house type, finish and location
📊 Developer SuiteProfit, IRR, JV splits and market prices for estates
📄 Survey plan uploadUse your exact plot size for a more accurate estimate
🏛️ Floor plan generatorConcept layouts for your bedrooms and floors
📈 Material price trackerCement, rods, blocks and roofing prices this month
👷 Builders & suppliersRequest quotes from verified professionals