AST Conversion Impact Calculator

Enter your AST details to see exactly what changes on 1 May 2026: fixed-term impact, break clause status, rent review changes, and your next valid rent increase date.

Your tenancy details

Tenancy start date *

Fixed-term end date (leave blank if already periodic)

Current monthly rent (£) *

Last rent increase date (leave blank if never increased)

This tenancy has a break clause

This tenancy has a contractual rent review clause (e.g., "rent increases by RPI annually")

This calculator is based on the Renters' Rights Act 2025 as enacted. Rent increase dates are calculated using the statutory 52-week minimum (per HA 1988 s.13(2)(b)(ii), as amended by RRA 2025 s.6) and 2-month notice period under Section 13. England only.

Guidance only, not legal advice. This output is generated from your self-declared answers against published regulatory sources. Verify each rule against the current version of the underlying legislation at legislation.gov.uk and take advice from a qualified housing solicitor on any question specific to your property, tenant, or tenancy.

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