Making Tax Digital for Income Tax replaces one annual Self Assessment return with four quarterly updates plus a final declaration, filed through HMRC-recognised software. It starts on 6 April 2026 for sole traders and landlords with qualifying income over GBP 50,000, then GBP 30,000 from April 2027 and GBP 20,000 from April 2028.
More than GBP 50,000 - 6 April 2026 - Your 2024/25 tax return
More than GBP 30,000 - 6 April 2027 - Your 2025/26 tax return
More than GBP 20,000 - 6 April 2028 - Your 2026/27 tax return
GBP 20,000 or less - Not yet mandated - No date announced as of June 2026

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