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Cost of Building a 3-Bedroom Duplex in Nigeria (2026)

By My House Cost NG · Updated 15 October 2026 · 3 min read

Building a 3-bedroom duplex in Nigeria costs between ₦52.8M and ₦126.7M in 2026, depending on the city and finish level. A standard-finish 3-bedroom duplex in Lekki, Lagos comes to about ₦75.8M (196 m², ₦386,744/m²).

In this guideCost by city and finishWhere the money goesMaterials you'll needRoofing costWith or without a BQHow long it takesFAQs

3-bedroom duplex cost by city (2026)

AreaBasicStandardLuxury
Lekki, Lagos₦59.6M₦75.8M₦120.5M
Ajah, Lagos₦57.7M₦73.5M₦117.2M
Ikorodu, Lagos₦53.7M₦68.8M₦110.2M
Maitama, FCT Abuja₦62.8M₦79.8M₦126.7M
Gwarinpa, FCT Abuja₦58.5M₦74.7M₦119.1M
Port Harcourt GRA, Rivers₦60.5M₦77.2M₦123.1M
Ibadan - Bodija, Oyo₦52.8M₦67.7M₦108.6M
Independence Layout, Enugu₦55.8M₦71.6M₦114.6M
Nassarawa GRA, Kano₦55.5M₦71.5M₦114.9M

Includes foundation, structure, roofing, finishes, electrical & plumbing, fence and gate and a 7.5% contingency.

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Where the money goes

For a standard-finish 3-bedroom duplex in Lekki, finishes and the structure take the biggest share of the budget:

ElementShareCost
Foundation8.8%₦6,696,507
Structure25.7%₦19,518,146
Finishes30.1%₦22,822,112
Services13.3%₦10,112,460
External Works11.0%₦8,302,974
Prelims & Contingency11.0%₦8,349,565
Total100%₦75,801,764

Materials needed for a 3-bedroom duplex

Approximate quantities for the foundation, frame, walls, plastering and floor screeds (fence excluded from blocks where noted):

MaterialApprox. quantityCost at today's prices
Cement (50kg bags)841 bags₦10,766,848
Sandcrete blocks (6" & 9")7,713 blocks₦6,942,033
Iron rods4.0 tonnes₦3,224,000
Sharp sand162 tonnes₦2,107,430
Granite101 tonnes₦2,028,000

Prices move every month — cement is ₦12,800 per bag this month. Check the live material price tracker before you buy.

How much does it cost to roof a 3-bedroom duplex?

Roof typeRoofing costTotal house cost
Aluminium longspan₦3.6M₦75.8M
Stone-coated tiles₦4.2M₦76.4M
Concrete deck (flat roof)₦5.5M₦78.0M

With or without a Boys' Quarters (BQ)?

Most 3-bedroom duplexs in Lagos and Abuja are built with a BQ. Adding a 2-room BQ with kitchenette and toilet costs about ₦17.8M: ₦75.8M without, ₦93.6M with.

How long does it take to build?

With steady funding, about 8 months:

PhaseMonthsCost
Site preparation1–1₦1.2M
Foundation1–2₦6.7M
Structure2–4₦15.9M
Roofing4–5₦3.6M
Services 1st fix5–6₦4.6M
Plastering & screeding5–6₦4.6M
Interior finishes6–8₦18.3M
Services 2nd fix7–8₦5.6M
External works7–8₦8.3M
Snagging & handover8–8₦7.1M

Can your salary build it?

Saving half of a ₦1,000,000 monthly income, a basic-finish 3-bedroom duplex in Ikorodu would take about 8.9 years to fund. Building in phases spreads the cost — the My House Cost NG report shows exactly what each stage needs.

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Frequently asked questions

How much does it cost to build a 3-bedroom duplex in Nigeria?

About ₦75.8M for a standard-finish 3-bedroom duplex in Lekki, Lagos and ₦74.7M in Gwarinpa, Abuja in 2026.

How many bags of cement can build a 3-bedroom duplex?

Roughly 841 bags of 50kg cement for the foundation, frame, blockwork, plastering and screeding.

How much does it cost to roof a 3-bedroom duplex in Nigeria?

About ₦3.6M with aluminium longspan and ₦4.2M with stone-coated tiles, including timber and labour.

What is the cost per square metre of a 3-bedroom duplex?

Around ₦386,744 per m² in Lekki for standard finishing.

How much is a 3-bedroom duplex in US dollars?

About $50,535 at ₦1,500 to $1.

How much will your house cost? Find out in 30 seconds

My House Cost NG prices your exact design, location and finish with live material prices — with a full breakdown, BOQ and construction timeline.

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