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 12-month minimum and 2-month notice period under Section 13. This tool does not constitute legal advice. England only.

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