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Cost of Building a Duplex House in Nigeria in 2022



Cost of Building a Duplex House in Nigeria in 2022:  Building a duplex house is no easy task. It is considered to be significantly more expensive and, depending on the number of rooms, more technical than the majority of other types of homes. In addition, it necessitates more planning and groundwork than most other types of homes. It is essential to examine the fundamental requirements, including the cost of building a proper duplex, as a growing number of Nigerians are opting to build duplexes.

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In this article, we’ll take a thorough look at how much it would cost to complete a duplex. We’ll also take into account a few things to keep in mind that could have an impact on the budget and the final price.

Cost of Building a 3-Bedroom Duplex in Nigeria

  • Substructures == N2,700,000 – N5,200,000

  • Frames == N1,500,000 – N2,800,000

  • Upper floor == N1,600,000 – N3,170,000

  • Internal and external walls == N2,300,000 – N4,250,000

  • Roofing == N1,750,000 to N3,750,000

  • Staircase == N350,000 – N480,000

  • Doors == N 1,650,000 – N2,970,000

  • Windows == N2,100,000 – N3,950,000

  • Wall finishes == N2,150,000 – N4,250,000

  • Floor finishes == N1,750,000 – N3,400,000

  • Ceiling finishes == N480,000 – N950,000

  • Plumbing installations == N1,450,000 – N2,750,000

  • Electrical installations == N1,700,000 – N3,050,000

  • Fittings & fixtures == N1,020,000 – N1,530,000

  • TOTAL: N22,500,000 – N42,500,000


Cost of Building a 4-Bedroom Duplex in Nigeria

  • Substructures == N3,800,000 – N6,800,000

  • Frames == N2,000,000 – N4,100,000

  • Upper floor == N2,150,000 – N4,250,000

  • Internal and external walls == N2,850,000 – N5,500,000

  • Roofing == N2,490,000 to N4,800,000

  • Staircase == N380,000 – N600,000

  • Doors == N 2,020,000 – N3,900,000

  • Windows == N2,900,000 – N5,700,000

  • Wall finishes == N3,000,000 – N5,500,000

  • Floor finishes == N3,350,000 – N4,500,000

  • Ceiling finishes == N700,000 – N1,200,000

  • Plumbing installations == N2,300,000 – N4,500,000

  • Electrical installations == N1,845,000 – N3,750,000

  • Fittings & fixtures == N1,215,000 – N2,400,000

  • TOTAL: N30,000,000 – N57,500,000


Cost of Building a 5-Bedroom Duplex in Nigeria

  • Substructures == N5,000,000 – N8,775,000

  • Frames == N2,900,000 – N4,995,000

  • Upper floor == N3,150,000 – N5,200,000

  • Internal and external walls == N4,300,000 – N7,020,000

  • Roofing == N3,800,000 to N6,010,000

  • Staircase == N620,000 – N800,000

  • Doors == N 2,950,000 – N5,190,000

  • Windows == N4,500,000 – N7,020,000

  • Wall finishes == N4,300,000 – N7,020,000

  • Floor finishes == N3,375,000 – N5,660,000

  • Ceiling finishes == N945,000 – N1,485,000

  • Plumbing installations == N3,200,000 – N5,602,500

  • Electrical installations == N3,600,000 – N4,320,000

  • Fittings & fixtures == N1,860,000 – N2,902,500

  • TOTAL: N44,500,000 – N72,000,000


PRICES LAST UPDATED: October 11, 2022

Cost of Duplex in Nigeria: Summary

The total cost of building a duplex house in Nigeria varies depending on the number of bedrooms you intend to include. From the figures above, here is the summary of the total amount you should budget for in each case:

Duplex House in Nigeria: Definition

You probably wouldn’t be able to figure out what a duplex house means if you did a quick search online because there are different meanings in different parts of the world. However, in Nigeria, a residential building with two floors is referred to as a “duplex house. “What we refer to as a duplex house is actually referred to as a “detached house,” so the Nigerian definition is incorrect.

A duplex house typically has a single kitchen and dining room on the same floor as the main living room. The master bedroom and other private rooms are typically located on the upper floor. A staircase links the floors together.

Single-family homes make up the majority of duplexes in Nigeria. This is very different from what happens in Western countries, where duplex apartments can house two families and each floor is its own house.

Building a Duplex in Nigeria: Pros & Cons

As with every other housing option, duplex houses have their own advantages and disadvantages. And we’ll be looking at those in this section, so you can be able to make a well-informed decision.

Duplex House Pros

More room inside: A duplex house allows for more interior space because the sections are spread out over two floors. This explains why the living room, which occupies a significant portion of the ground floor, can be as big as you like. Additionally, the house permits large rooms and a spacious kitchen.

The bigger compound: There is more room for the surrounding area because the duplex has two floors, one of which is stacked on top of the other. This is very different from bungalows, where every part of the building stays on the ground and takes up more space on the ground. Because the total area that needs to be roofed is smaller, this advantage of a duplex house also explains why the cost of roofing is typically lower.

Class: Many Nigerians construct duplexes solely for the purpose of displaying class. Therefore, it should come as no surprise that the majority of well-to-do and prominent people in the nation reside in duplexes. A duplex stands out more than a bungalow does, and its beauty can be appreciated from afar.

Nice view: The majority of duplex homes have balconies on the upper floors, giving residents easy access to the outside world. A duplex house’s balcony provides a clear view of the property’s interior and exterior activities.

Security: Because all of a bungalow’s windows can be reached from the ground, a duplex is slightly safer than a bungalow. A bungalow can be more easily broken into by burglars or other criminals because of this. A duplex, on the other hand, would make things a little bit harder because criminals would have a hard time getting to the windows on the top floor and they could easily be seen from the bedrooms while they were trying to break in.

Duplex House Cons

More costly: Bungalow construction is less expensive than duplex construction. This is because the staircase, decking, and pillars and beams all cost more because they need a lot of concrete and steel to support them.

Entails some difficulties: It’s not as convenient to move between the top and ground floors multiple times per day as it is to be restricted to a single floor. Although this can be adjusted over time, it becomes more concerning as the residents age or become ill.

Check the Current Cost of Building a Four-bedroom Duplex in Nigeria


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