The National Construction Authority (NCA), Kenya’s construction overseer said the building that collapsed on January 10, in Karen Ward, within Lang’ata Sub-County, Nairobi County, was not registered.
Two people were killed in the incident while seven others were taken to hospital after the structure under construction collapsed.
NCA noted that the one-storey building in Karen’s Ngong View lane, claimed two lives, critically injuring two people and seven others were left with minor injuries and have received medical attention.
“The occurrence took place during concrete casting works at the carport area of the structure,” a statement read in part.
NCA added that the preliminary assessments indicate a suspected failure of the formwork system, which collapsed under the load of fresh concrete.
The plot, said to be owned by one Moses Nyakiongora, a former senior official at the ministry of housing remains suspended. Rescue operations were concluded on Sunday evening, and the area will remain cordoned off.
A further probe is underway, and a comprehensive report will be issued upon conclusion of the same.
The Nairobi City County Government claims the collapse of a building in Karen was caused by structural failure linked to poor workmanship and inadequate formwork.
County Executive Committee Member for Built Environment and Urban Planning, Patrick Mbogo said initial findings revealed the use of sub-standard materials, with timber gum tree supports allegedly used instead of the required steel props to support a double-volume slab.
According to NCCG, architectural plans for the project were approved on November 14, 2024, while structural plans received approval on November 27, 2024.
The developer of the project has been identified as Moses A. Nyakiogora, with Eng. Edward Kariuki listed as the structural engineer.
Two people were killed and seven others injured on January 10 after a residential building under construction collapsed in Karen, Nairobi.
The incident came after a 16-storey building collapsed in South C, Nairobi, on January 2, 2026, killing two people.
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