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Official form
Rent increase notice (section 13, Form 4A)
The prescribed notice proposing a new rent for a private assured tenancy in England. Since 1 May 2026 it's the only lawful way to raise the rent.
When you need it
Once a year at most, not in the first 12 months, with at least two months' notice.
- Base the new rent on local market evidence — the tenant can challenge it at the First-tier Tribunal.
- Serve it on every tenant and keep proof of service.
On the tenancy lifecycle map: Putting the rent up
Checked 31 Oct 2026. Source: GOV.UK: Guide to the Renters' Rights Act. General information, not legal advice.