How Many Bags of Cement Can Build a 5-Bedroom Duplex in Nigeria?
A 5-bedroom duplex with BQ needs roughly 1,059 bags of cement (50kg), 8,671 blocks and 5.5 tonnes of iron rods — about ₦13.6M of cement at ₦12,800 per bag.
Cement, blocks and rods by house size
| House | Cement (bags) | Blocks | Iron rods (t) | Cement cost |
|---|---|---|---|---|
| 3-bedroom bungalow | 572 | 5,994 | 1.7 | ₦7.3M |
| 4-bedroom bungalow + BQ | 647 | 6,336 | 2.0 | ₦8.3M |
| 4-bedroom duplex + BQ | 952 | 8,213 | 4.8 | ₦12.2M |
| 5-bedroom duplex + BQ | 1,059 | 8,671 | 5.5 | ₦13.6M |
| 6-bedroom duplex + BQ | 1,164 | 9,095 | 6.2 | ₦14.9M |
Blocks include the perimeter fence on a 648 m² plot. Quantities assume sandcrete blocks and a reinforced-concrete frame.
Where the cement goes
- Concrete (footings, slabs, columns, beams, stairs) — about 6.5 bags per m³ for a 1:2:4 mix.
- Blockwork mortar — about 1 bag per 35 blocks.
- Plastering — about 1 bag per 6.5 m² of wall.
- Floor screeds — about 0.45 bags per m² of floor.
Switching to interlocking blocks cuts mortar and plaster dramatically — see 12 ways to reduce building cost.
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MaterialsBuilding Materials Prices in Nigeria (October 2026)Current prices of cement, iron rods, blocks, sand, granite, roofing sheets and tiles in Nigeria, with monthly changes.Cost guidesCost of Building a 5-Bedroom Bungalow in Nigeria (2026)Building a 5-bedroom bungalow + BQ in Nigeria costs between ₦65.2M and ₦151.9M in 2026, depending on the city and finish level. A standard-finish 5-bedroom buCost guidesCost of Building a 3-Bedroom Duplex in Nigeria (2026)Building a 3-bedroom duplex in Nigeria costs between ₦52.8M and ₦126.7M in 2026, depending on the city and finish level. A standard-finish 3-bedroom duplex inCost guidesCost of Building a 4-Bedroom Duplex in Nigeria (2026)Building a 4-bedroom duplex + BQ in Nigeria costs between ₦75.4M and ₦169.7M in 2026, depending on the city and finish level. A standard-finish 4-bedroom dupl
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