The First Storey Building in Nigeria is located in Badagry, Lagos State, Nigeria. It attracts over two thousand visitors every year.
The foundation of the building was laid in 1842 while the house was completed in 1845. The white one-storey building has its corrugated iron sheet roof overlooking the marina waterfront.
It is the most popular mission house in Badagry because the first sets of missionaries in Nigeria settled at the building. The rooms has six big rooms, four stores, two big sitting rooms, and a safe where precious items are kept.