Rent increase guides

Plain-English help for England's private landlords · Updated June 2026

• Section 13 notice: the legal way to increase rent in England

  A Section 13 notice on Form 4A is the only lawful way to raise the rent on a periodic assured tenancy in England. Here's how it works in 2026 — and the mistakes that make it void.

• Form 4A: the prescribed form for a rent increase

  Form 4A is the official form a landlord must use to propose a new rent under Section 13 in England. What it is, where to get it, and how to fill it in without voiding the notice.

• How to increase the rent in England in 2026

  A step-by-step guide to legally increasing rent in England under the Renters' Rights Act 2025 — the notice period, the form, the dates, and how the tenant can respond.

• What makes a rent increase notice invalid

  A Section 13 / Form 4A rent increase is void if you get the form, the dates, or the frequency wrong. Here are the common mistakes that make a notice invalid — and how to avoid restarting the two-month clock.