The £100,000 threshold for Self-Assessment change for taxpayers taxed through PAYE only, increased from £100,000 to £150,000 with effect from 6 April 2023. However, the Self-Assessment for 2022-23 tax returns remains at £100,000.  

Taxpayers who submit a Self-Assessment tax return for 2022-23 showing income between £100,000 and £150,000 taxed through PAYE and do not meet any of the other criteria for submitting a Self-Assessment return will be sent an exit letter by HMRC. This will remove the requirement for an annual Self-Assessment tax return to be submitted by qualifying taxpayers.

For the 2023-24 tax year onward, taxpayers will still need to submit a Self-Assessment tax return if their income taxed through PAYE is below £150,000 but they meet one of the other criteria for submitting a Self-Assessment return, for example:

• receipt of any untaxed income;
• partner in a business partnership;
• liability to the High Income Child Benefit Charge; or
• self-employed individual and with gross income of over £1,000.

Taxpayers that need to complete a Self-Assessment return for the first time should inform HMRC as soon as possible. The latest date that HMRC should be notified is by 5 October following the end of the tax year for which a Self-Assessment return needs to be filed. If you are required to submit a Self-Assessment return for 2022-23, you should ensure that you file your tax return electronically and pay any tax due by 31 January 2024.

HMRC has an online tool available at www.gov.uk/check-if-you-need-tax-return/ that can help taxpayers decide if they are required to submit a Self-Assessment return.