If you are planning to build a house in Kenya in 2026, a realistic starting budget is approximately KSh 45,000 to KSh 100,000+ per square metre, depending on the design, location and quality of finishes.
For most homeowners building a good-quality family home, however, a more useful planning figure is around KSh 50,000–65,000 per square metre.
What does that mean for an actual house?
Consider a 100 m² three-bedroom house:
| Finish Level | Approx. Cost per m² | Estimated Construction Cost |
|---|---|---|
| Basic | KSh 40,000–50,000 | KSh 4.0M–5.0M |
| Standard / Mid-range | KSh 50,000–65,000 | KSh 5.0M–6.5M |
| High-end | KSh 70,000–100,000+ | KSh 7.0M–10.0M+ |
For a 150 m² maisonette finished to a good mid-range standard, for example, a sensible preliminary construction budget would therefore be approximately KSh 7.5M–9.75M.
Why can two 150 m² houses cost completely different amounts?
Floor area alone does not determine cost.
A simple rectangular maisonette with a conventional roof will usually cost less than a house of the same size with large cantilevers, balconies, extensive glazing, a flat concrete roof and complicated structural details.
Your final cost will also be affected by:
- Location and transportation of materials
- Soil conditions and foundation requirements
- Roof design
- Window and door specifications
- Kitchen and wardrobe finishes
- Tiles and sanitary fittings
- Electrical and plumbing specifications
- Labour and contractor costs
This is why copying someone else's construction budget can be misleading even when the houses appear similar.
Does the cost per square metre include everything?
Usually, no.
When preparing your overall project budget, allow separately for items such as professional design fees, county approvals, structural designs, utility connections, boundary walls, gates, landscaping, external works and contingency.
Land is also normally excluded.
So if your estimated building cost is KSh 8 million, you should not automatically assume that KSh 8 million is all you will need to complete the entire project.
How do I know what my house will actually cost?
The most reliable approach is:
A cost-per-square-metre figure helps you decide whether a project is financially realistic before you begin. A BOQ tells you what your specific house is actually expected to cost.
At NovaForm Limited, we recommend establishing the construction budget early—before committing to a design that may later have to be reduced because it exceeds the available funds.
Planning to build?
Start with your approximate floor area and budget.
From there, we can help determine what is realistically achievable before construction begins.