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Cost of building a house in Nairobi (2026)

Nairobi is the baseline every other county in Kenya is measured against on this site. The figures below are computed from that adjustment, not written by hand — they are what the app itself would quote for Nairobi.

Nairobi region · the 2nd cheapest of Kenya's 47 counties to build in.

Build cost in Nairobi by house size (KES)
HouseSize Economy Standard Premium vs Nairobi
1-Bedroom Bungalow 43.2 m² 1,182,162 1,458,752 1,909,294 0
2-Bedroom Bungalow 74.9 m² 1,679,605 2,062,353 2,689,347 0
3-Bedroom Bungalow 100.8 m² 2,176,321 2,673,750 3,490,277 0

Building in Nairobi: climate, ground and materials

General guidance, not an assessment of your site. What follows describes conditions typical of Nairobi or of a named part of it. It does not hold everywhere in the county, and ground, drainage, access and materials can change from one plot to the next. Before you design, budget or build, have the actual site examined by a qualified professional — a registered engineer, with a soil investigation where the ground is in any doubt. Do not base foundations or a budget on this page alone.

County headquarters Nairobi; other main towns Westlands, Karen, Embakasi, Kasarani, Ruai.

The west of the city — Karen, Westlands — is on red soils and firmer ground.

Cool highland climate

Much of Nairobi is temperate by day and cold at night, with reliable rainfall and, at altitude, frost on clear nights. Where that holds, it asks this of a house:

  • A ceiling and some roof insulation make the biggest difference to comfort on cold nights.
  • Face the living rooms to the morning sun and keep the windows on the cold side modest.
  • Pitched roofs with properly sized gutters handle the rain; plan the site drainage before the foundations go in.

Black cotton soil in the east, around Embakasi and on the Athi plains

Black cotton soil is an expansive clay: it swells when wet and shrinks and cracks when dry, and ordinary strip footings on it crack the walls above. Foundations are taken down to firm ground or the clay is replaced with compacted murram, and ground beams or a raft are common. Budget noticeably more for the substructure than the figures above assume, and get a soil test first.

Walling

Machine-cut stone is quarried nearby, which is part of why it is the default walling in this area and in these figures.

Every house design, priced at Nairobi rates (KES)
DesignFloor area Standard finish Per m²
Starter 2-bedroom bungalow 68 m² 1,965,601 28,737
Starter 2-bedroom with butterfly roof 68 m² 2,095,854 30,641
2-bedroom A-frame cottage 65 m² 2,487,726 38,391
3-bedroom with gable porch suits Nairobi 102 m² 2,924,236 28,810
3-bedroom bungalow on an eighth acre 136 m² 3,603,311 26,554
L-shaped 3-bedroom with veranda 126 m² 3,707,024 29,515
Contemporary skillion 3-bedroom 139 m² 3,810,888 27,496
Urban 3-bedroom with moulded concrete roofline 141 m² 3,946,595 27,990
Urban 3-bedroom butterfly-roof bungalow with SQ 141 m² 3,975,187 28,193
T-shaped 4-bedroom bungalow suits Nairobi 145 m² 4,055,601 28,028
Contemporary flat-roof 3-bedroom 120 m² 4,096,689 34,026
4-bedroom maisonette on a 40 x 60 plot 208 m² 5,727,546 27,563
4-bedroom bungalow on a quarter acre suits Nairobi 249 m² 6,023,820 24,153
Contemporary 4-bedroom maisonette with balcony pergola 234 m² 6,578,300 28,064
Contemporary 3-bedroom with a black-clad box 260 m² 6,790,091 26,146
4-bedroom maisonette with DSQ on an eighth acre 242 m² 7,320,572 30,238
4-bedroom villa with DSQ and glazed stair 298 m² 8,266,675 27,713
Karen 5-bedroom hipped-roof villa 386 m² 8,630,954 22,343
Lavington 4-bedroom framed townhouse 384 m² 9,671,749 25,200
Karen 4-bedroom stone-and-white house 396 m² 10,285,218 26,006
Loresho 4-bedroom villa with floating roof 331 m² 10,763,121 32,556
Karen contemporary 5-bedroom villa 412 m² 10,785,609 26,185
14-bedsitter block on an eighth acre 414 m² 11,706,173 28,283
8-flat apartment block on a quarter acre 833 m² 18,391,124 22,086
16-flat apartment scheme on a half acre 1665 m² 36,076,008 21,662
14-storey apartment tower 3992 m² 78,750,260 19,725
Twin 17-storey towers with pool on an acre 9661 m² 186,636,770 19,318

Nairobi against the rest of Nairobi

Nairobi is the baseline the other counties are priced against. The cheapest design in the catalogue here is the starter 2-bedroom bungalow at KES 1,965,601. How county adjustments work →

Price your own house in Nairobi

Set the bedrooms, bathrooms and specification and watch the figure move — in 3D, at Nairobi rates. No account needed.

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Compare with nearby counties

Percentages are against Nairobi, not Nairobi. All 47 counties →