2 Jun 2026Index-linked or CPI rent review clause after 1 May 2026: the tenant refusal walkthrough
Plenty of older tenancy agreements contain a clause that lets the landlord raise the rent automatically each year by inflation, often pegged to CPI or RPI. Since 1 May 2026 those clauses can no longer be used: every rent increase on a tenancy now has to go through the statutory Section 13 process, and a contractual review clause cannot override it. This walkthrough explains why an index-linked uplift is no longer enforceable, how to spot when a landlord is trying to apply one anyway, and gives you a template letter to refuse it calmly and correctly.
