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Cost of building a 4-bedroom duplex + BQ in Ikoyi (2026)

Estimated for Ikoyi, Lagos (238 m² floor area) using current material prices and local labour rates.

Standard finish
₦108,455,136
Basic ₦89.4M · Luxury ₦168.3M · ₦455,694/m² · without BQ ₦89.7M
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Cost breakdown

ElementShareCost
Foundation7.4%₦8,050,258
Structure21.8%₦23,688,807
Finishes25.1%₦27,195,261
Services11.2%₦12,101,913
External Works23.2%₦25,123,546
Prelims & Contingency11.3%₦12,295,351
Total100%₦108,455,136

Materials you'll need

MaterialApprox. quantityCost at today's prices
Cement (50kg bags)952 bags₦12,181,888
Sandcrete blocks (6" & 9")8,213 blocks₦7,391,898
Iron rods4.8 tonnes₦3,816,000
Sharp sand180 tonnes₦2,344,940
Granite115 tonnes₦2,294,600

Construction timeline (8 months)

PhaseMonthsCost
Site preparation1–1₦1.9M
Foundation1–2₦8.1M
Structure2–4₦19.1M
Roofing4–5₦4.6M
Services 1st fix5–6₦5.4M
Plastering & screeding5–6₦5.4M
Interior finishes6–8₦21.8M
Services 2nd fix7–8₦6.7M
External works7–8₦25.1M
Snagging & handover8–8₦10.4M
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Compare with nearby areas

Lekki₦103.6M standardVictoria Island₦108.6M standardAjah₦100.5M standardIbeju-Lekki₦98.7M standardEpe₦96.1M standardIkeja₦99.7M standard

Frequently asked questions

How much does it cost to build a 4-bedroom duplex + BQ in Ikoyi?

About ₦108.5M with standard finishing, ₦89.4M basic and ₦168.3M 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

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