Cost to build a 150 sqm house in Nairobi in 2026

Updated 2026 · Kenya · Reference estimate

In short: for a 150 sqm house in Nairobi, expect roughly 5,880,000 KSh for an economy finish, up to 14,700,000 KSh for high-end. Plan for about 323 bags of cement, 2,769 blocks, 2,474 kg of steel and 30.9 m³ of concrete. These are the items a contractor can inflate, so these are the numbers to have proven.

Estimated budget in Nairobi by finish level

Level	Price / sqm	Total (150 sqm)
Economy	39,200 KSh	5,880,000 KSh
Standard	56,000 KSh	8,400,000 KSh
High-end	98,000 KSh	14,700,000 KSh

Indicative 2026 ranges, turnkey finish, excluding land and administrative fees. They help you spot an abnormally high quote, not replace a proper bill of quantities.

Material quantities for 150 sqm (single storey)

Item	Estimated quantity
Cement (50 kg bags)	323 bags
Blocks 20x20x40	2,769 u
Rebar steel	2,474 kg (~231 HA12 bars)
Total concrete to pour	30.9 m³
Sand	17 m³
Gravel	25 m³

For a two-storey house, the structure (concrete, steel, cement) roughly doubles, while the ground footprint is divided by the number of floors.

Get your exact estimate in 30 seconds

Describe your house, nokah builds the 3D plan, a detailed bill of quantities and a stage-by-stage budget. 3 free plans, no card required.

Generate my plan for free

How to avoid an inflated quote in Nairobi

On a site managed from abroad, overcharging almost always hits three areas: structural materials (cement, steel), inflated quantities, and overbilled labour. Three simple reflexes:

Always compare the quote you receive to an independent reference estimate like the one above. A 10 to 15 percent gap is normal; beyond that, ask for explanations.
Pay by stages, never more than 20 to 25 percent upfront, and demand proof before each stage (a photo of the rebar before pouring, cement bags counted at delivery).
Where possible, buy the major materials yourself and have them delivered to site, rather than advancing cash to the contractor.

Get your exact plan and bill of quantities

The figures above are orders of magnitude for Nairobi. For your exact project, describe your house on nokah or import an existing plan: you get the 3D plan, the detailed bill of quantities and a stage budget in Kenya's currency. You then face your builder with numbers they cannot argue with.