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Cost of building a 6-bedroom duplex + BQ in Ikoyi (2026)

Estimated for Ikoyi, Lagos (322 m² floor area) using current material prices and local labour rates.

Standard finish
₦128,868,697
Basic ₦105.1M · Luxury ₦200.6M · ₦400,213/m² · without BQ ₦110.1M
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Cost breakdown

ElementShareCost
Foundation7.8%₦10,045,456
Structure23.3%₦30,041,112
Finishes26.2%₦33,812,103
Services11.9%₦15,278,247
External Works19.5%₦25,123,546
Prelims & Contingency11.3%₦14,568,233
Total100%₦128,868,697

Materials you'll need

MaterialApprox. quantityCost at today's prices
Cement (50kg bags)1,164 bags₦14,903,808
Sandcrete blocks (6" & 9")9,095 blocks₦8,185,284
Iron rods6.2 tonnes₦4,976,000
Sharp sand214 tonnes₦2,782,780
Granite141 tonnes₦2,817,000

Construction timeline (9 months)

PhaseMonthsCost
Site preparation1–1₦2.2M
Foundation1–2₦10.0M
Structure2–5₦23.9M
Roofing5–6₦6.1M
Services 1st fix5–6₦6.9M
Plastering & screeding6–7₦6.8M
Interior finishes7–9₦27.0M
Services 2nd fix8–9₦8.4M
External works8–9₦25.1M
Snagging & handover9–9₦12.3M
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Compare with nearby areas

Lekki₦123.1M standardVictoria Island₦129.1M standardAjah₦119.4M standardIbeju-Lekki₦117.2M standardEpe₦114.2M standardIkeja₦118.5M standard

Frequently asked questions

How much does it cost to build a 6-bedroom duplex + BQ in Ikoyi?

About ₦128.9M with standard finishing, ₦105.1M basic and ₦200.6M luxury (2026 prices).

How long does it take to build a 6-bedroom duplex?

About 9 months with steady funding.

How many bags of cement does a 6-bedroom duplex need?

Roughly 1,164 bags of 50kg cement.

Read more: 6-bedroom duplex costs across Nigeria · 12 ways to reduce building cost

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