Living with mould? That sneaky black mould on your walls isn't just ugly, it's a health hazard. In the UK, 1 in 6 homes battles persistent mould, hitting renters hardest in London and Essex. Under Awaab's Law (2025), landlords must act fast , but tenants: knowing the risks empowers you to demand action. Here's the data-driven lowdown The Stats: Mould's Toll on Your Health Mould spores trigger allergies, infections, and worse, especially for kids, elderly, or those with asthm