Being a landlord comes with a tax bill that has grown steadily more complex over the last decade - mortgage interest relief has been cut back, allowances have shrunk, and from 2027 rental income will be taxed at its own higher rates. This guide pulls the whole picture together in plain English: what you're taxed on, what you can claim, what changes are coming, and where the common traps are. It's the hub of our landlord series of simple explainers, so think of it as your star