The short answer: there is no universal percentage There is no single UK-wide percentage that a landlord can add to rent each year. A landlord might propose a 2%, 5% or 10% increase, but the percentage alone does not determine whether the proposal is appropriate, enforceable or commercially sensible. The answer depends on where the property is located, the type of tenancy or occupation contract, when the rent last changed, the correct notice procedure, and the open market ren