Why do London houses need to pay all at once??

Nowadays, the basic lease terms are starting from half a year to a year, and it's paid all at once. Many newly arrived international students can't understand this because back in China, we usually pay rent with a one-month deposit and one-month rent or a one-month deposit and three-month rent kind of arrangement. Today, let's talk about why it's necessary to pay all at once here in London: 1. British law provides more protection for tenants' rights. If you don't pay all at once, it's easy to be left hanging, go through a legal battle which takes time, and even if you win in the end, enforcing it is tough. 2. International students are unlikely to pass the credit check, so they need to pay the rent all at once. 3. Although working professionals can pay monthly, their salary needs to be 2.5-3 times the rent, and they also need to provide detailed company information. 4. Actually, this situation arises because many landlords have encountered tenants who don't pay rent and refuse to leave the property. Some landlords even refuse to rent to students and only rent to working professionals.