Timeline graphic showing three MTD Income Tax phases: £50,000 threshold from April 2026, £30,000 from April 2027, £20,000 expected from April 2028

MTD qualifying income is your gross turnover — not your profit. Find out which income types count towards the threshold, and how to work out your own figure.

HMRC app home screen showing tax summary and National Insurance number on an iPhone

Find out what can you do with the HMRC app — from checking your tax code and claiming a refund to managing Child Benefit and viewing your State Pension forecast.

wrong p800 form

Your P800 may not match your records — find out why HMRC gets P800s wrong, what causes the error, and how to dispute a P800 with confidence.