Burj Zanzibar in Fumba Town is designed to reach 96 metres in height.
The proposed skyscraper will be built at a cost of $5 billion.
Niraj Shah and his family have lived in the house for decades.
The winner will be awarded a cash prize of Sh100,000.
Developers to pay Sh10,000 to Sh40m for environmental audits.
The owners have failed to meet loan restructuring measures.
Century-old estate will be upgraded into 1,870 modern units.
EPS building technology slashes costs by up to 30%.
Over 600 buildings have been declared unfit for occupation.
Shelter Afrique’s device seeks to boost supply of affordable houses.