In long-term leases, a property may go through significant changes due to regular use and ageing. A dilapidations survey is essential in these cases, as it helps to: Manage Property Disrepair: Over time, properties naturally experience wear and tear. In a long-term lease, this disrepair may accumulate, making it difficult for tenants to meet end-of-lease obligations without significant, last-minute repairs. The survey helps identify these issues early.