The cost to build a house on a 110 square meter plot in Lagos, Nigeria, can vary widely depending on several factors such as location within Lagos, the type of house (e.g., bungalow, duplex), the quality of materials, the design complexity, and the current market rates for labor and materials.

However, I can provide a rough estimate based on typical costs in Lagos.

Key Factors Affecting Construction Costs

1. Location: Construction costs in high-demand areas like Victoria Island, Lekki, and Ikoyi will be higher compared to places like Ikeja, Surulere, or mainland Lagos.
2. Design and Quality: The architectural design and the quality of materials used (e.g., standard, luxury) significantly impact the total cost.
3. Labor Costs: Skilled labor costs in Lagos can be relatively high, especially for experienced builders and contractors.
4. Permits and Regulations: Obtaining necessary permits and adhering to local building regulations can add to the overall cost.
5. Infrastructure: Costs related to connecting utilities (electricity, water, sewage) should be considered.

Rough Cost Estimates

Based on recent data and typical construction costs in Lagos, here is a breakdown of the estimated costs for building a house on a 110 square meter plot:

1. Foundation: The type of soil and the foundation needed can vary, but a rough estimate is around ₦1,000,000 to ₦2,000,000.
2. Structure: This includes the cost of bricks, cement, steel, and labor for building walls and roofing. For a standard quality house, this could range from ₦5,000,000 to ₦10,000,000.
3. Roofing: The cost of roofing materials and installation can vary but typically ranges from ₦1,000,000 to ₦3,000,000.
4. Windows and Doors: Depending on the quality, this can range from ₦500,000 to ₦1,500,000.
5. Plastering and Finishing: Internal and external plastering, painting, and finishing can cost around ₦1,000,000 to ₦3,000,000.
6. Electrical and Plumbing: Installation of electrical wiring, fixtures, plumbing, and sanitary wares typically costs between ₦1,000,000 to ₦3,000,000.
7. Flooring: The type of flooring (tiles, marble, etc.) will affect the cost, ranging from ₦500,000 to ₦2,000,000.
8. Miscellaneous: This includes costs for site preparation, transportation of materials, contingencies, etc., which can add another ₦500,000 to ₦1,000,000.

Total Estimated Cost

Combining these estimates, the total cost to build a house on a 110 square meter plot in Lagos, Nigeria, can range from approximately:

Conclusion

These figures provide a rough estimate and actual costs can vary. It's advisable to consult with local contractors, architects, and quantity surveyors for more accurate quotes tailored to your specific requirements and location within Lagos. Also, consider potential cost variations due to inflation and changes in material prices.

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