Building Cost Calculator Nigeria — House Construction Estimate 2026
Estimate the cost of building a bungalow, duplex or storey building in Nigeria. Get a detailed breakdown covering foundation, structure, roofing, finishing, plumbing and electrical.
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Construction Cost Breakdown
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Construction Cost Breakdown Explained
Nigerian construction costs are typically distributed as follows across the main phases:
- Foundation (15%): Excavation, concrete, reinforcement iron, block foundation. Soil type heavily affects this — swampy land requires pile foundation at extra cost.
- Structure (25%): Columns, beams, floor slabs, reinforcement. This is the most critical phase — do not cut corners here.
- Roofing (12%): Roofing sheets (long-span aluminium or Decra), timber trusses, nails, ridge cap.
- Finishing (28%): Plastering, tiling, painting, doors, windows, ceilings.
- Plumbing (10%): Water supply pipes, drainage pipes, bathroom fittings, overhead tank.
- Electrical (10%): Wiring, consumer unit, sockets, switches, security lighting.
Frequently Asked Questions
How much does it cost to build a house in Nigeria in 2026?
Building costs vary significantly by location and finishing quality. A standard 3-bedroom bungalow in Lagos can cost ₦25M–₦45M, while the same in Abuja costs ₦20M–₦35M. In other states it may be ₦15M–₦30M. These estimates cover all materials and labour but exclude land cost.
What is the difference between standard, medium and luxury finishing?
Standard finishing (₦3M–₦5M per room) includes basic tiles, ordinary doors, simple plumbing fixtures and economy paint. Medium finishing (₦5M–₦8M per room) uses quality ceramic tiles, panelled doors, overhead tanks, good-quality fittings. Luxury finishing (₦8M–₦15M per room) includes marble/porcelain tiles, German fittings, fully automated systems, high-end cabinets and premium paints.
Why is Lagos more expensive to build in?
Lagos commands a 1.3× cost premium due to: higher cost of transportation of materials to island and mainland areas, higher labour wages, stricter building code enforcement, more expensive sand and blocks due to demand, and higher cost of skilled tradesmen. Abuja is about 1.2× due to similar factors. Other states are used as the baseline.
Does the estimate include architect and structural engineer fees?
The estimates include a 5% allowance for professional fees. In practice, an architect charges 5–8% of project cost and a structural engineer charges 2–4%. Always hire ARCON-registered architects and COREN-registered engineers to avoid structural failures.
How long does it take to build a house in Nigeria?
A 3-bedroom bungalow with steady funding typically takes 6–12 months. A duplex takes 12–18 months. Common delays include: waiting for reinforcement iron, block curing time, weather, and funding gaps. Phase-by-phase construction can stretch to 2–5 years if done incrementally.