Why 99-year lease?
As Prime Minister Lee Hsien Loong explained in 2918 during the National Day Rally, “HDB sells the flat to you for 99 years. You own it, and you can pass it on for one or two generations. After that, the flat returns to the state, the Government redevelops the land, and builds new flats for future generations. This is the only way to recycle the land and ensure that all our descendants can buy new BTO flats of their own.”
A practical reason for 99-year lease
The HIP takes place when the flats are about 30-years old. It is an essential upgrade and highly subsidised. The Government pays up to 95 per cent, so residents pay as little as a few hundred dollars for the upgrading.
Second round of HIP upgrading...
But no matter how many times upgrading takes place, there are things you cannot do. Some older flats do not have piped gas, for example.



