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

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

Standard finish
₦103,626,774
Basic ₦85.1M · Luxury ₦161.4M · ₦435,407/m² · without BQ ₦85.8M
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Cost breakdown

ElementShareCost
Foundation7.4%₦7,702,607
Structure21.9%₦22,650,498
Finishes25.2%₦26,067,716
Services11.2%₦11,632,380
External Works23.2%₦24,044,309
Prelims & Contingency11.1%₦11,529,264
Total100%₦103,626,774

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₦1.7M
Foundation1–2₦7.7M
Structure2–4₦18.3M
Roofing4–5₦4.4M
Services 1st fix5–6₦5.2M
Plastering & screeding5–6₦5.2M
Interior finishes6–8₦20.9M
Services 2nd fix7–8₦6.4M
External works7–8₦24.0M
Snagging & handover8–8₦9.8M
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Compare with nearby areas

Ikoyi₦108.5M 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 Lekki?

About ₦103.6M with standard finishing, ₦85.1M basic and ₦161.4M 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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