How much can my landlord increase my rent in 2026?

There is no fixed percentage cap. Under the Renters' Rights Act 2025, a landlord can propose a new rent once every 12 months using a Section 13 notice on Form 4A, with at least two months' written notice. If you think the figure is above the open-market rate, you can refer it to the First-tier Tribunal for £47, and the tribunal cannot set the rent higher than the figure your landlord proposed.

Why are rents rising if the Renters' Rights Act protects tenants?

The Act limits rent increases during a tenancy to once a year, so the start of a new tenancy is now the main moment a landlord can reprice. June 2026 data from Goodlord suggests some landlords are starting new tenancies at higher rents as a result. It is one month of data, and it may settle, but it makes the protections for sitting tenants more valuable, not less.

Can a landlord or agent accept more than the advertised rent?

No. Section 56 of the Renters' Rights Act 2025 requires the advert to state the proposed rent and bans inviting or accepting offers above it. Councils can impose financial penalties of up to £7,000 per breach (section 57), with further penalties for repeat breaches. Keep a screenshot of the listing if you are asked to bid.

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