Before building, it’s important to know how much it will cost. This guide breaks down the 2025 construction costs for both a 3-bedroom house (120 sqm) and a 4-bedroom house (300 sqm) based on three finish levels:
Normal Finishes – basic but functional (cement floors, basic fittings).
Medium Finishes – standard middle-class homes (tiles, ceiling, good paint).
High-End Finishes – luxury homes (imported tiles, gypsum ceilings, quality fixtures).
1. Cost of Building a 3-Bedroom House in Kiambu (120 sqm)
A 3-bedroom house in Kenya usually ranges between 80 sqm and 120 sqm, depending on design and layout.
✅ Construction Cost per Square Meter (2025 Rates in Kenya)
Note: The above cost excludes land. The average land price for a residential plot in Limuru, Ruiru, Thika or near Kiambu is from KES 2.5 Million for an 1/8-acre plot.
Breakdown of Construction Costs for 3-Bedroom (120 sqm)
2. Cost of Building a 4-Bedroom House in Kiambu (300 sqm)
A 4-bedroom house in Kenya ranges between 250 sqm and 300 sqm, depending on whether it’s a bungalow or maisonette.
✅ Construction Cost per Square Meter (2025 Rates in Kenya)
Adding the land cost (KES 3M Average ), total investment ranges from about KES 14M to 36M, depending on finishes.
Breakdown of Construction Costs for 4-Bedroom (300 sqm)
What Affects Construction Costs in Kiambu
Design and Shape – A simple rectangular plan costs less than a complex design.
Type of Roof – Flat roofs cost less than tiled or complex pitched roofs.
Materials Used – Imported finishes or specialized materials increase cost.
Labour Costs – Skilled labour in Kiambu may charge more than rural areas.
Site Conditions – Rocky, sloped, or waterlogged plots need more foundation work.
Expert Tip:
To stay within your budget:
Get 3 quotes from qualified contractors before starting.
Always set aside 10% extra for unexpected costs.
Work with a qualified architect and quantity surveyor to avoid wastage
Summary: Estimated Construction Costs in Kiambu (2025)
Final Word
Building your dream home in Kiambu is achievable if you plan wisely. A 3-bedroom house can cost between KES 5.4M and 12M, while a 4-bedroom ranges between KES 11M and 33M, depending on finishes. Add KES 3M for land, and you have your total investment estimate.
Always remember: good planning, honest contractors, and quality materials will save you more in the long run.
