After 100 years you (your grand children) will get a notice stating the lease is over. You would then have two options.The landowner allows the land for lease for 99 years which commences from the date the allotment was conducted. This article shares a comprehensive guide to explain the significance and registration process of a rental agreement. Leasehold refers to a property tenure, where one party buys the right to occupy the property for a given length of time (30 to 99 years). 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 can use an online lease calculator to calculate the lease amount for a particular property. Know your rent using NoBroker's Rentometer. You flat will be leasehold only as you (or other flat owners) don't own the actual land.