Rent increases are one of the most searched topics in UK property right now, and for good reason. From 1 May 2026, the rules changed significantly under the Renters' Right Act. If you are a landlord wondering how much you can raise rent,or a tenant wondering whether your landlord's proposed increase is lawful, this guide covers everything you need to know. The short answer is this: there is no fixed percentage cap on how much a landlord can raise in England in 2026. However,