The buyer will be the owner for 99 years after which the landowner can assert ownership of the land again. After 100 years you (your grand children) will get a notice stating the lease is over.You would then have two options. What is the difference between a regular registration and a 99 year lease registration? If the buyer wants to sell the house how does it work? You flat will be leasehold only as you (or other flat owners) don't own the actual land. By default (unless otherwise mentioned) it is 99 years. Since the immemorial period, the period of a 99 year lease has been used as the period, with the idea that it will last up to three generations. Albany is the capital and oldest city in the U.S. state of New York, and the county seat of and most populous city in Albany County.