Step-by-Step Guide to Building a 4-Bedroom Duplex in Nigeria (2025) with Cost Estimates.

Описание: Building a 4-bedroom duplex in Nigeria involves multiple stages, from acquiring land to finishing the house. Below is a step-by-step guide with cost estimates, though costs vary based on location, material quality, andlabourr.

1. Land Acquisition
The cost of land varies based on location:

Lagos/Abuja: ₦10M - ₦50M+
Other cities: ₦3M - ₦15M
Rural areas: ₦1M - ₦5M
Estimated Cost: ₦5M - ₦30M

2. Building Plan & Approval
Architectural & Structural Drawings: ₦250K - ₦1M
Government Approval Fees: ₦300K - ₦1.5M (depends on location)
Estimated Cost: ₦500K - ₦2.5M

3. Site Preparation & Foundation
Clearing & Excavation: ₦300K - ₦700K
Foundation (Concrete, Blocks, Iron Rods, Sand,Labourr, etc.): ₦4M - ₦6M
Estimated Cost: ₦4.5M - ₦7M

4. Substructure (Ground Floor Slab)
Materials (Cement, Sand, Granite, Iron Rods, etc.): ₦3M - ₦5MLabourr & Miscellaneous Costs: ₦1.5M - ₦2.5M
Estimated Cost: ₦4.5M - ₦7.5M

5. Superstructure (Blockwork & Framing)
Blocks (3,000 - 4,000 pieces): ₦1.5M - ₦2M
Cement, Sand, Granite, Iron Rods, etc.: ₦3M - ₦5MLabourr & Miscellaneous Costs: ₦1.5M - ₦2.5M
Estimated Cost: ₦6M - ₦9.5M

6. Roofing
Woodwork (Trusses, Rafters, etc.): ₦2M - ₦3M
Roofing Sheets Aluminiumm, Stone-Coated, etc.): ₦3M - ₦6MLabourr & Miscellaneous: ₦1M - ₦2M
Estimated Cost: ₦6M - ₦11M

7. Doors & Windows
Windows Aluminiumm or Casement Glass): ₦1M - ₦3M
Doors (External & Internal – Wood, Metal, or Security Doors): ₦2M - ₦4M
Estimated Cost: ₦3M - ₦7M

8. Electrical & Plumbing Works
Wiring & Electrical Fittings: ₦2M - ₦4M
Plumbing Materials & Installation: ₦2M - ₦4M
Estimated Cost: ₦4M - ₦8M

9. Plastering & Finishing
Plastering (Walls & Ceilings): ₦2M - ₦4M
Painting (Interior & Exterior): ₦1M - ₦3M
POP (Ceiling & Decoration): ₦2M - ₦5M
Estimated Cost: ₦5M - ₦12M

10. Flooring & Tiling
Tiles, Cement, Grout, etc.: ₦3M - ₦6MLabourr & Miscellaneous: ₦1M - ₦2M
Estimated Cost: ₦4M - ₦8M

11. Fencing & Gate
Fencing (Blockwork, Cement, Iron Rods, etc.): ₦2M - ₦5M
Gate & Installation: ₦1M - ₦2M
Estimated Cost: ₦3M - ₦7M

12. Miscellaneous & Contingency
Additional costs for unforeseen expenses: ₦2M - ₦5M

Total Estimated Cost Breakdown
Stage Estimated Cost (₦)
Land Acquisition 5M - 30M
Building Plan & Approval 500K - 2.5M
Foundation 4.5M - 7M
Substructure 4.5M - 7.5M
Superstructure 6M - 9.5M
Roofing 6M - 11M
Doors & Windows 3M - 7M
Electrical & Plumbing 4M - 8M
Plastering & Finishing 5M - 12M
Flooring & Tiling 4M - 8M
Fencing & Gate 3M - 7M
Miscellaneous 2M - 5M
Total Cost ₦44M - ₦115M
Final Thoughts
Cost varies by location (Lagos/Abuja is more expensive).
Material quality affects pricing (imported materials cost more).
Using a project manager can save costs and prevent wastage.Labour costs fluctuate, so negotiate wisely.